Green building advisor - In a warm humid climate, an ERV brings in less outdoor humidity than an HRV. (Note: an ERV is not a dehumidifier. It does still add to the latent load in the house.) In a hot-dry climate, an HRV will make your already dry air even drier, sending your precious water vapor out into that desert air. In a cold climate, …

 
Green building advisorGreen building advisor - Five Cathedral Ceilings That Work. By Martin Holladay | December 11, 2020. A vented assembly with fiberglass or mineral wool insulation. This is the traditional way to insulate a cathedral ceiling. Note, however, that this approach requires deep rafters or scabbed-on 2x4s to add depth. The illustration shows an …

The complete source for building, designing, and remodeling green homes. Try for Free. Green Basics Green Building Advisor’s Encyclopedia of Articles and Videos Questions Archive - GreenBuildingAdvisor. The complete source for building, designing, and remodeling green homes. Try for Free. Community and Q&A. A Forum …With 2×6 framing, the only way to get R-30 using common insulation strategies is with closed-cell spray foam. Moving to a 2×8 wall allows for high-density batt options like Rockwool’s ComfortBatt, which achieves R-30 in a 7-1/4-in. batt. Several manufacturers of high-density fiberglass batts can also fit in the 7-1/4-in. …This U.S. map shows which counties have been assigned to a different climate zone for purposes of building and energy codes. Counties marked in red are now in warmer climate zones with less stringent energy requirements. Counties marked in green have shifted to colder climate zones. Map courtesy Pacific Northwest National Laboratory.Green Building Advisor: [email protected] USA and Canada customers: 800-943-0253. International customers: 847-559-7522. Fine HomeBuilding: …That will deflect water away from accumulating in the window wells. Secure them down so they don't blow away (e.g., with tent stakes). 5. Remember the importance of grading. Slope away from the foundation in all directions to avoid water pooling at the foundation perimeter. Check during intense or long rainy periods.This means that radiant heat can provide comfort at a lower air temperature than is required with forced-warm-air or baseboard hot water heat. You might be able to keep your thermostat lower — say 65 degrees—and be perfectly comfortable with radiant-floor heating, while 68 or even 70 degrees would be required with other systems.Design your building and design the excavation. Create a tent roof like the building roof, dig the excavation, and put the tent roof over the excavation. Then wait. Maybe a year, maybe more. After every heavy rain go back to the hole and see if the hole is dry. If, after a long wait the hole remains dry then build your …Conditions would be similar to those of Virginia, not especially harsh. But what Matsuzawa is learning about local building practices is giving him pause for thought. “Here is an overview of what I have learned of walls in Japan,” Matsuzawa writes in a Q&A post at GreenBuildingAdvisor. “The standard Japanese 2×4 wall from outside to ...The should match the 99% and 1% design temperatures from ASHRAE, which are also given in Table 1A in Manual J from ACCA. If the 1% summer design temperature is 91°F, as in Atlanta, a Manual J report showing that the load calculation was done with 97°F will result in an oversized air conditioner. Actually, even if the load …Enter inventor Brian Iverson and the Tstud. Tstuds are an alternative to solid 2×6 framing lumber. Tstuds can be used for pretty much any framing element in exterior walls: studs, jacks, cripples, plates, and headers. They are designed for advanced framing—24-inch on center, with single top plates, and two-stud corners.Firsthand experience informs this basic plan for installing rigid insulation on the outside of an older building. A retrofitted wall assembly includes foam board insulation fastened to WRB-covered sheathing; furring strips for a vented rainscreen are fastened to the foam and receive the siding. When I purchased my small 1950s vintage Cape Cod ...Potential for pyrolysis. Pyrolysis is defined as the chemical decomposition of wood or coal by the application of heat alone in the absence of oxygen. In short, it is the repeated heating of wood resulting in its changed chemistry and ignition temperature. Typically, this process happens over a long period of time and includes many cycles of ...XPS would be possible, but worse from a global warming impact perspective, would cost much more, and would be harder to get in custom shapes. EPS can be directly molded into a wedge, whereas XPS comes out of the machine as a slab and would need to be cut to make a wedge. In that example it had concrete poured on top.Installing Rigid Foam Above Roof Sheathing - GreenBuildingAdvisor. Musings of an Energy Nerd. By Martin Holladay | July 8, 2022. This approach can be used to create an unvented conditioned attic, allowing attic ducts to be installed inside a home’s thermal envelope. Many modern designs include cathedral ceilings, and cathedral ceilings need ...It’s easy: Keep your heat from going through the roof. Saving money on heating-fuel costs is a lot simpler than negotiating with OPEC or your local utility. On a recent upgrade in the attic of a 1950s-era house (one of two projects shown here), I air-sealed and spread a 12-in.- deep layer of cellulose throughout 1500 sq. ft. of space in about ...“The building industry certainly needs to step up,” Colker says. “There are opportunities to drive standards, but that requires engagement of the broader industry.” _____ Justin R. Wolf is a Maine-based writer who …“The building industry certainly needs to step up,” Colker says. “There are opportunities to drive standards, but that requires engagement of the broader industry.” _____ Justin R. Wolf is a Maine-based writer who …GreenBuildingAdvisor. @GreenBuildingAdvisor 2.94K subscribers 62 videos. More about this channel. greenbuildingadvisor.com. Home. Videos. Playlists. Community. Channels. … Building Science Introducing the 120-volt Plug-in Heat Pump Water Heater. The good news is the model can save thousands of dollars. The downside is limited backup heat, which could mean running out of hot water. ABOUT BASEMENTS # Invest in a waterproofing system Basement foundations should be insulated to minimize energy losses and should be protected from water infiltration. Even if a basement is not intended to be used as a finished space, it’s best to assume that it may be finished in the future. That’s why it’s a good investment to …Registers are square or rectangular fittings with movable dampers to adjust airflow volume. Lightweight stamped-steel registers are used for wall and ceiling applications; heavier-duty cast or welded registers are used in floors. Diffusers cover supply openings in ceilings. They have angled vanes that discharge air in a spreading pattern.Air conditioning can also create condensing surfaces. The same phenomenon can happen in reverse in the summertime. Let’s say the outdoor air is 85°F and the relative humidity is 75%. When outdoor air leaking inward contacts a surface below about 76°F, the moisture in the air will condense. So if you have an exhaust fan in your home, the air ...Nov 17, 2009 · My father inlaw about 6 years ago hired a roofer tp put new shingles on top of old shingles the old shingles has a green type moss above kitchen area weren't removed when new shingles were put on. There was never any insulation between the original tar/gravel attic side of the roof and the 2nd outer roof. Recommended patio or sliding door for high-performing house. Midcoast Maine new construction 1400sf house. R40 walls, R60 roof. Windows triple pane. Do you have a recommendation for an 6-0x6-8 slider or patio exterior door?XPS would be possible, but worse from a global warming impact perspective, would cost much more, and would be harder to get in custom shapes. EPS can be directly molded into a wedge, whereas XPS comes out of the machine as a slab and would need to be cut to make a wedge. In that example it had concrete poured on top.Green is often less expensive when all things are considered. Sustainable building often seems more expensive than conventional building. Many of the building materials that make houses more durable and easier to heat and cool aren’t cheap. Complicated systems that allow a certain amount of energy independence–photovoltaic …Corbett Lunsford just released a video on his Youtube channel called "The Science of Sick Building Syndrome and Environmental Sensitivity" and in it they discussed the fact that when Pex is tested in a lab the scientists were told that the tubing had to be regularly flushed out with fresh water for 14 days in order for …The embodied carbon associated with a building refers to the greenhouse gases emitted during the manufacturing of products and materials used to construct it. These emissions differ from those generated during the building’s operations i.e., operational emissions. As our buildings become more energy efficient, the portion of …what is current thinking for cost-effective energy efficient doors in these three categories: (1) entry door: here looks r important, so ok to cost a bit more, medium traffic. (2) garage door: here 20 minute fire rating is important, looks less important, high traffic. (3) unconditioned space (like access to storage over garage from second ...Both of these bulbs currently retail for $13.99. Analyzing the entire Energy Star dataset for LED general-purpose replacement bulbs (9) in the A19 (standard medium screw-in bulb) form factor, the LED filament bulbs have an average efficiency of 109 lm/W. The conventional bulbs (everything else in the dataset) average to 76.5 lm/W. Green Building Advisor has a fantastic community of building experts from engineers, and scientists, to architects and builders. We encourage all to share both questions and answers. The usual rules of courtesy apply: 1. Be nice. 2. If you can’t be nice, be polite. 3. If you can’t be nice or polite — well, please be brief. If you are building a new home, do your best to reduce air leakage, and you'll be fine. During the winter, the supply air from an HRV will be somewhat dryer than the supply air from an ERV, so choose an ERV if you're worried. But I don't think an HRV will cause any problems at all in your climate.Dana Dorsett gets right to the point, summing up what looks like a common point of view: “An open-hearth fireplace (with or without glass doors) is an inefficient, extremely polluting way to burn wood that has no place in a ‘green’ house,” Dorsett writes. “They are even illegal to use in some locations due to the …Primorsko-Akhtarsk is an air base of the Russian Aerospace Forces as part of the 4th Air and Air Defence Forces Army, Southern Military District . The base was first used in 1954 …R: Anything to reduce vibrations transfer would be ideal based on what i understood from the calls I made. Q: it seems that to use the boost function, wiring is just armored conduit to a wall box, and then romex to the switch, which I assume is just a standard 120 v. 15-20 amp wall switch.Green Building Advisor Customer Service. Customer Service Options: Place an Order. Buy a New Membership. Buy a Gift Membership. Log In to Your Account to: Change …Green Building Advisor Customer Service. Customer Service Options: Place an Order. Buy a New Membership. Buy a Gift Membership. Log In to Your Account to: Change …When I posted the lead photo on LinkedIn a few days ago, Houston home builder Dave Yelovich gave his solution for fixing the wall: High-density R-15 batt in the kneewall after sealing any gaps. Install OSB over it and run it 16 in. above the top plate to create insulation dams. Add some blown-in over the top.This system not including wood burning stove will cost us around 25,000. 2) air to air heat pump (4 heads) propane boiler for radiant floors and hot water. We also will have 45 BTU wood burning stove- hearthstone. this system will cost us around $40,000 not incuding wood burning stove.Although I wrote a 2012 article for Fine Homebuilding on ways to insulate the cramped attic behind a kneewall, I’ve never written such an article for GBA. So it’s clearly time for a comprehensive article on the topic. A kneewall is sometimes defined as “a short wall under a sloped ceiling.”. A typical kneewall is between 3 and 5 feet high.“The building industry certainly needs to step up,” Colker says. “There are opportunities to drive standards, but that requires engagement of the broader industry.” _____ Justin R. Wolf is a Maine-based writer who …The lifecycle “cost” of carbon involved in building construction can be measured by the global warming potential (GWP) associated with the manufacturing and use of each building component. This is measured in carbon dioxide equivalence (CO2e). My focus was specifically on insulation, which is a product that customers and contractors ...UGREEN is a company that provides green building advisory services to help organizations design, build, and operate sustainable projects. Learn how they can …Ask and answer green building questions from engineers, scientists, architects and builders. Learn from the community and share your knowledge on climate …Learn about green building materials and techniques from these online resources. Find out how to achieve zero energy, health, and sustainability goals for your …Originally developed by Skanska and C Change Labs, EC3 was incubated by the Carbon Leadership Forum and nearly 50 industry partners until its public launch at Greenbuild 2019, at which time the nonprofit Building Transparency was founded to house EC3. Its mission is to provide open-access data on …Remember the three types of heating and cooling loads: part-load, design load, and extreme load. A single-stage system is oversized for most of the year, sometimes by a huge amount, because the load is at part-load conditions close to 99 percent of the time. That oversizing is the source of another downside of fixed-capacity systems.Nov 17, 2009 · My father inlaw about 6 years ago hired a roofer tp put new shingles on top of old shingles the old shingles has a green type moss above kitchen area weren't removed when new shingles were put on. There was never any insulation between the original tar/gravel attic side of the roof and the 2nd outer roof. The embodied carbon associated with a building refers to the greenhouse gases emitted during the manufacturing of products and materials used to construct it. These emissions differ from those generated during the building’s operations i.e., operational emissions. As our buildings become more energy efficient, the portion of emissions that ...Subscription to GBA Prime - Green Building Advisor ... Loading... ...Feb 16, 2024 · The Science Based Targets initiative (SBTi) recently unveiled a draft for pilot testing of its new target-setting guidance for the building sector, set to go into effect in the first half of 2024. SBTi is a partnership between the Carbon Disclosure Project (CDP), the UN Global Compact, World Resources Institutes (WRI), and World Wide Fund for ... Place 1 to 2 in. of rigid foam insulation on the slab and float the subflooring above. Float two layers of min. 1/2 in. insulation above the foam, staggering all joints. Secure the top layer of plywood to the lower layer with nails or screws. If there is no vapor barrier below the slab, or you’re not sure, it’s best to …BuildingGreen is the essential source where trusted insight resides, knowledge is shared, unparalleled education takes place, and thought leaders interact in transforming the sustainable building movement.It’s easy: Keep your heat from going through the roof. Saving money on heating-fuel costs is a lot simpler than negotiating with OPEC or your local utility. On a recent upgrade in the attic of a 1950s-era house (one of two projects shown here), I air-sealed and spread a 12-in.- deep layer of cellulose throughout 1500 sq. ft. of space in about ...Primorsko-Akhtarsk Air Base Airport (AG2988) located in Primorsko-Akhtarsk, Krasnodar Krai, Russia. Airport information including flight arrivals, flight …Gregg is renovating his 50-year-old house in Wisconsin and trying to devise the best way of insulating exterior walls from the outside. The house was built conventionally, with 2x4 walls, fiberglass batt insulation, fiberboard sheathing, and hardboard siding. He plans to tear off both siding and sheathing and remove the batt insulation, then apply 3 in. …Most houses in New England have basements (or crawl spaces). There are two locations for insulation between the finished above-grade space and the ground: The first option is to insulate the first-floor joist cavities, above the basement; and the second option is to insulate the basement walls and floor slab.The big difference in temperature between the room air and the heated air also creates variation in temperature from one part of the room to another. A heat pump blows lower temperature air into the house, and that’s better for comfort. A heat pump, by contrast, adds a greater volume of lower temperature air.Directly under the snow, the top few inches of soil might be 15°F. Two feet lower, the soil temperature might be 32°F. At 5 feet below grade, the soil temperature might be 40°F. Under the basement slab, the soil temperature might be 50°F or 55°F. Now let's look at the foundation wall.Feb 9, 2015 · It’s easy: Keep your heat from going through the roof. Saving money on heating-fuel costs is a lot simpler than negotiating with OPEC or your local utility. On a recent upgrade in the attic of a 1950s-era house (one of two projects shown here), I air-sealed and spread a 12-in.- deep layer of cellulose throughout 1500 sq. ft. of space in about ... Fiberglass batts are vapor permeable and air permeable. By the way, you don't need a 12-inch air gap between your insulated concrete wall and your studs. One or 2 inches is fine. Ideally, all of your required R-value will be provided by your rigid foam, and your 2x4 stud bays will be uninsulated. Aug 19, 2010 09:12pm.If you use EPS, a more environmentally responsible option, it starts out at about R-4/in and maintains R-4/in. Either way, 2.5" is enough to get R-20. R-20 foundation walls are insulated in different ways so the answer would depend on your assembly. R-40 above-grade walls are done in different ways so the answer …Recommended patio or sliding door for high-performing house. Midcoast Maine new construction 1400sf house. R40 walls, R60 roof. Windows triple pane. Do you have a recommendation for an 6-0x6-8 slider or patio exterior door?$149.95/year Annual membership. 10-Day Free Trial - Cancel Any Time. Membership renews automatically . Get all this and more: EXPERT ADVICE - Videos and presentations on current issues and key techniques from top building scientists.; IN-DEPTH ARTICLES - Essential reading from the Green Building Encyclopedia, Fine Homebuilding, and our …R: Anything to reduce vibrations transfer would be ideal based on what i understood from the calls I made. Q: it seems that to use the boost function, wiring is just armored conduit to a wall box, and then romex to the switch, which I assume is just a standard 120 v. 15-20 amp wall switch.The first time I detailed a “ slabless slab ” was in 2013. I was working with homeowners who disliked the look and feel of concrete and wanted to install elm flooring they had salvaged. The design plans called for a robust insulation and air-sealing package, which meant an expensive building envelope. To reduce costs—and the overall ...“The building industry certainly needs to step up,” Colker says. “There are opportunities to drive standards, but that requires engagement of the broader industry.” _____ Justin R. Wolf is a Maine-based writer who …Vented attics are the least expensive way to insulate the top of the house. 2. All exterior insulation on the roof or some on top with fibrous insulation beneath. Second on Kohta’s list is putting all or some of the insulation on top of the roof. This keeps the roof sheathing protected from moisture damage because it stays warm.The embodied carbon associated with a building refers to the greenhouse gases emitted during the manufacturing of products and materials used to construct it. These emissions differ from those generated during the building’s operations i.e., operational emissions. As our buildings become more energy efficient, the portion of emissions that ...Rockwool Comfortboard 80 is a rigid stone wool board designed for continuous insulation applications. A non-structural sheathing product, it provides increased thermal performance in 4 in. and 5 in. thicknesses, providing thermal performance up to R-21 for building envelopes. As a continuous exterior …Corbett Lunsford just released a video on his Youtube channel called "The Science of Sick Building Syndrome and Environmental Sensitivity" and in it they discussed the fact that when Pex is tested in a lab the scientists were told that the tubing had to be regularly flushed out with fresh water for 14 days in order for …Book Cheap Flights to Primorsko-Akhtarsk: Search and compare airfares on Tripadvisor to find the best flights for your trip to Primorsko-Akhtarsk. Choose the best airline for you by …Jul 8, 2022 · Installing Rigid Foam Above Roof Sheathing - GreenBuildingAdvisor. Musings of an Energy Nerd. By Martin Holladay | July 8, 2022. This approach can be used to create an unvented conditioned attic, allowing attic ducts to be installed inside a home’s thermal envelope. Many modern designs include cathedral ceilings, and cathedral ceilings need ... Green building is about process first, products second. But the process of building involves myriad products and materials. Green choices offer ways to improve indoor air quality, water and energy efficiency, durability, and comfort. Paints and finishes on floors, walls, cabinets, and ceilings should be low in VOCs. With 2×6 framing, the only way to get R-30 using common insulation strategies is with closed-cell spray foam. Moving to a 2×8 wall allows for high-density batt options like Rockwool’s ComfortBatt, which achieves R-30 in a 7-1/4-in. batt. Several manufacturers of high-density fiberglass batts can also fit in the 7-1/4-in. …This U.S. map shows which counties have been assigned to a different climate zone for purposes of building and energy codes. Counties marked in red are now in warmer climate zones with less stringent energy requirements. Counties marked in green have shifted to colder climate zones. Map courtesy Pacific Northwest National Laboratory.UPDATED on September 7, 2017 with a new postscript. In the fall of 2012, I tested the performance of 11 air-sealing tapes by attaching samples to six different substrates mounted on the exterior wall of my woodshed. A month later, I tried to remove the tape samples to determine which tapes were most tenacious. I reported my findings in …Most of the world, especially the green building community, assumes that “European” implies “more energy-efficient.”. When it comes to windows, this automatic presumption of superior energy efficiency is both so common and so misplaced that it deserves a name: the Presumptive European Superiority Syndrome. Guest Blogs.This seems to be how many green building pros ended up experimenting with a concrete-free assembly. Today, there are several variations on the concrete-free slab being used in high-performance and Passive houses but 10 years ago, information on the method was limited so there was a learning curve. …Response to Martin Holladay, GBA Advisor Martin, Thanks for the response, I attached a couple of pictures of my knee wall, it is big enough to get behind. ... Unfortunately, I am in a location with very few resources when it comes to green building or renovating. I hope you can offer advice about my unconditioned attic. Basics: 80-year-old ... The complete source for building, designing, and remodeling green homes. Try for Free. Green Basics Green Building Advisor’s Encyclopedia of Articles and Videos The should match the 99% and 1% design temperatures from ASHRAE, which are also given in Table 1A in Manual J from ACCA. If the 1% summer design temperature is 91°F, as in Atlanta, a Manual J report showing that the load calculation was done with 97°F will result in an oversized air conditioner. Actually, even if the load …In the 1980s, most cold-climate builders were taught that walls needed an interior vapor retarder, and needed to be able to dry to the exterior. When a few pioneers started installing exterior rigid foam, some …GreenBuildingAdvisor.com offers comprehensive and reliable information on designing, building, and remodeling energy-efficient, sustainable, and healthy homes. …The amount of insulation installed in any given building assembly depends on the climate, the part of the house being insulated, the project budget, and local code requirements. Batts and blankets: R-3.1 to R-4.1 per in. Blown-in and loose-fill insulation: R-2.6 to R-4.2 per in. Rigid foam: R-3.6 to R-6.8 per in.The plan is to waterproof the exterior, install drain board, a perforated drain along the base of the foundation and an inground gutter system. However, we are stuck on the water proofing step. Pressure washing the exterior concrete removed all loose coating, but most of the fiber and black coating remain firmly in place.In the 1980s, most cold-climate builders were taught that walls needed an interior vapor retarder, and needed to be able to dry to the exterior. When a few pioneers started installing exterior rigid foam, some …Although I wrote a 2012 article for Fine Homebuilding on ways to insulate the cramped attic behind a kneewall, I’ve never written such an article for GBA. So it’s clearly time for a comprehensive article on the topic. A kneewall is sometimes defined as “a short wall under a sloped ceiling.”. A typical kneewall is between 3 and 5 feet high.One answer from Philips, released this week, is an ultra-thin surface-mount LED fixture designed to look like a recessed can when viewed from below. Measuring only 5/8 inch deep, the SlimSurface LED can be mounted in a shallow electrical box (see Image #2, below). If the installer specifies an airtight box (or implements a few simple air ...R: Anything to reduce vibrations transfer would be ideal based on what i understood from the calls I made. Q: it seems that to use the boost function, wiring is just armored conduit to a wall box, and then romex to the switch, which I assume is just a standard 120 v. 15-20 amp wall switch.Lewis mcchord joint base, Iowa sos, Murfreesboro medical clinic, Oh nails, Freeforme, Fun bags, Tasty cream donuts, Amor nails, Katy united states, Dominos ripon wi, Cullen hill, Josey records, Suite living senior care, Mini dreamers

When it comes to constructing and fitting out buildings, our focus is—or at least should be—on the holistic impacts of each decision we make. The best stewards …. Luccas

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Response to Martin Holladay, GBA Advisor Martin, Thanks for the response, I attached a couple of pictures of my knee wall, it is big enough to get behind. ... Unfortunately, I am in a location with very few resources when it comes to green building or renovating. I hope you can offer advice about my unconditioned attic. Basics: 80-year-old ...Green is often less expensive when all things are considered. Sustainable building often seems more expensive than conventional building. Many of the building materials that make houses more durable and easier to heat and cool aren’t cheap. Complicated systems that allow a certain amount of energy independence–photovoltaic …Caulking the leaks was a good idea. 3. Insulating your rim joists is a good idea. The insulation will lower your energy bills and increase the comfort of your basement. 4. R-19 is not overkill. 5. While it's a great idea to insulate, fiberglass batts are the wrong type of insulation to use. Rigid foam would be better.Directly under the snow, the top few inches of soil might be 15°F. Two feet lower, the soil temperature might be 32°F. At 5 feet below grade, the soil temperature might be 40°F. Under the basement slab, the soil temperature might be 50°F or 55°F. Now let's look at the foundation wall.The top edge of the insulation between the exterior wall and the edge of the interior slab shall be permitted to be cut at a 45-degree (0.79 rad) angle away from the exterior wall. Slab-edge insulation is not required in jurisdictions designated by the building official as having a very heavy termite infestation.Aug 6, 2021 · First, some definitions. There are at least four kinds of slab foundations: A thickened-edge slab, also known as a monolithic slab, integrates the footing and the slab in a way that allows all of the concrete to be placed at the same time. The perimeter footing of a thickened-edge slab isn’t very deep. [Image credit: Martin Holladay] Recommended patio or sliding door for high-performing house. Midcoast Maine new construction 1400sf house. R40 walls, R60 roof. Windows triple pane. Do you have a recommendation for an 6-0x6-8 slider or patio exterior door?Jan 10, 2020 · Also known as band joists, rim joists are pieces of lumber—either sawn lumber or engineered lumber—that are installed vertically above the mudsill. On a new house, a typical rim joist might be a 2×10 or 2×12. Older houses have all kinds of different rim joists, including 2x6s, 2x8s, or even square timbers like 8x8s. Flash-and-Batt Insulation. Closed-cell spray polyurethane foam insulation has several desirable characteristics. It’s an excellent air barrier, an excellent vapor retarder, and it has a high insulating value per inch (about R-6). Unfortunately, …Gregg is renovating his 50-year-old house in Wisconsin and trying to devise the best way of insulating exterior walls from the outside. The house was built conventionally, with 2x4 walls, fiberglass batt insulation, fiberboard sheathing, and hardboard siding. He plans to tear off both siding and sheathing and remove the batt insulation, then apply 3 in. …Vented attics are the least expensive way to insulate the top of the house. 2. All exterior insulation on the roof or some on top with fibrous insulation beneath. Second on Kohta’s list is putting all or some of the insulation on top of the roof. This keeps the roof sheathing protected from moisture damage because it stays warm.Originally developed by Skanska and C Change Labs, EC3 was incubated by the Carbon Leadership Forum and nearly 50 industry partners until its public launch at Greenbuild 2019, at which time the nonprofit Building Transparency was founded to house EC3. Its mission is to provide open-access data on …Image courtesy of Green Building Advisor. A highlight of GBA is its construction-detail drawing library, that contains 1,000 detailed drawings. They organize these according to parts of the house and climate. Some drawings are free, but most are available to GBA Prime members only. You can visit Green …Oct 1, 2008 · GreenBuildingAdvisor.com offers comprehensive and reliable information on designing, building, and remodeling energy-efficient, sustainable, and healthy homes. Learn from leading green experts, access hundreds of construction drawings and product reviews, and join the community of green builders and homeowners. If you want to improve the energy performance of an older house, one of the first steps is to plug your attic air leaks. Although many GBA articles address aspects of attic air sealing, no single article provides an overview of the topic. This article is an attempt to provide that missing overview. I’ll try to explain how you …With an R-90 roof and R-60 walls, Jenz Yoder's new off-grid house will be well insulated. Yoder's quandary, outlined at Green Building Advisor's Q&A forum, is whether radiant-floor heat is a good idea. "I had two …UGREEN is a company that provides green building advisory services to help organizations design, build, and operate sustainable projects. Learn how they can …This U.S. map shows which counties have been assigned to a different climate zone for purposes of building and energy codes. Counties marked in red are now in warmer climate zones with less stringent energy requirements. Counties marked in green have shifted to colder climate zones. Map courtesy Pacific Northwest National Laboratory.GreenBuildingAdvisor.com. 14,464 likes · 2,933 talking about this. Dedicated to sharing accurate and complete information about designing, building, and remodeling high-performance homes.Questions Archive - GreenBuildingAdvisor. The complete source for building, designing, and remodeling green homes. Try for Free. Community and Q&A. A Forum …The Navien 240E’s minimum input at 95% efficiency is 17,000 BTU/hr. some 30% higher than the average seasonal load of 13,000 BTU/hr. so the boiler will rarely modulate. The minimum input into the 85 feet of fin-tube radiation is at the maximum 200 BTU/hr. (17,000/85) needed for condensing.A typical two-stage condensing gas furnace has a turn-down ratio of less than 2:1. With most of these furnaces, the low-fire output is still 60% or more of the high-fire output. When a furnace with a low-fire rating of 60% is oversized by a factor of 1.7, you could cover 99% of the building’s heating needs at low fire. Green building is about process first, products second. But the process of building involves myriad products and materials. Green choices offer ways to improve indoor air quality, water and energy efficiency, durability, and comfort. Paints and finishes on floors, walls, cabinets, and ceilings should be low in VOCs. Installing Rigid Foam Above Roof Sheathing - GreenBuildingAdvisor. Musings of an Energy Nerd. By Martin Holladay | July 8, 2022. This approach can be used to create an unvented conditioned attic, allowing attic ducts to be installed inside a home’s thermal envelope. Many modern designs include cathedral ceilings, and cathedral ceilings need ...Conditions would be similar to those of Virginia, not especially harsh. But what Matsuzawa is learning about local building practices is giving him pause for thought. “Here is an overview of what I have learned of walls in Japan,” Matsuzawa writes in a Q&A post at GreenBuildingAdvisor. “The standard Japanese 2×4 wall from outside to ...Martin Holladay's 30-year-old solar panel has been exposed to the weather on his rooftop for 30 years. In 1980, after living in the woods of Vermont without electricity for five years, I bought my first photovoltaic (PV) module. Responding to a small ad in Mother Earth News, I sent a check to Joel Davidson, …The GBA said it fixed the issue two days ago, but with three and four year old questions poping-up, this may be a long deal, unless I block the GBA entirely. Maybe its time to go! I hope the new owners get a competent IT department before too long. You can direct emails from GBA to go to your spam folder. Armando Cobo is a zero-energy custom home designer, trainer, and building consultant with over 35 years of experience. Armando designs following the guidelines of DOE’s Zero Energy Ready Home program, The Building America Program, Build Green New Mexico, California’s Title 24, National Home Builders Association’s Green Building Program, and LEED for Homes, among others. Jan 10, 2020 · Also known as band joists, rim joists are pieces of lumber—either sawn lumber or engineered lumber—that are installed vertically above the mudsill. On a new house, a typical rim joist might be a 2×10 or 2×12. Older houses have all kinds of different rim joists, including 2x6s, 2x8s, or even square timbers like 8x8s. Gregg is renovating his 50-year-old house in Wisconsin and trying to devise the best way of insulating exterior walls from the outside. The house was built conventionally, with 2x4 walls, fiberglass batt insulation, fiberboard sheathing, and hardboard siding. He plans to tear off both siding and sheathing and remove the …Green Building Advisor. Blogs. Musings of an Energy Nerd; Product Guide; Q&A Spotlight; Building Science; Green Building News; BS* + Beer; Energy-Smart ... Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field. Start free trial. Related Questions. Certainteed …Here are a few data points while the heat pump is running: • Noise level is around 63 dBA, 3 ft away for the outlet, frequency is around 185 Hz (yes, it's the heat pump noise) • Noise level is around 70 dBA, 2 ft on top of the unit inlet. base frequency 185 Hz with some other lower frequencies.That’s what Rus Pearson would like to know. “Some say spray the roof deck, allowing the attic air to become conditioned, which is great for the [heating and cooling] ducts in the attic,” Pearson writes in a Q&A post at Green Building Advisor. “Others say spray the attic side or the ceiling to allow the attic to vent.Image courtesy of Green Building Advisor. A highlight of GBA is its construction-detail drawing library, that contains 1,000 detailed drawings. They organize these according to parts of the house and climate. Some drawings are free, but most are available to GBA Prime members only. You can visit Green …IRC on continuous insulation. Building codes have begun to align with building science and we are seeing more areas across the country adopt continuous insulation as part of the energy code. CI requirements with regard to the energy code can be found in the 2021 International Residential Code (IRC), …Firsthand experience informs this basic plan for installing rigid insulation on the outside of an older building. A retrofitted wall assembly includes foam board insulation fastened to WRB-covered sheathing; furring strips for a vented rainscreen are fastened to the foam and receive the siding. When I purchased my small 1950s vintage Cape Cod ...Conditions would be similar to those of Virginia, not especially harsh. But what Matsuzawa is learning about local building practices is giving him pause for thought. “Here is an overview of what I have learned of walls in Japan,” Matsuzawa writes in a Q&A post at GreenBuildingAdvisor. “The standard Japanese 2×4 wall from outside to ...A standard electric water heater has a UEF of about 0.9, making my HPWH about 4.1 times as efficient. Instead of 501 kWh per year, I would have used about 2000 kWh per year with an electric-resistance water heater. At $0.10 per kWh, I would have saved about $150 per year on water heating.Payback Calculations for Energy-Efficiency Improvements - GreenBuildingAdvisor. Musings of an Energy Nerd. By Martin Holladay | December 23, 2011. If you are considering investing in an energy-efficiency improvement for your home — for example, additional attic insulation or a photovoltaic system — …Most houses in New England have basements (or crawl spaces). There are two locations for insulation between the finished above-grade space and the ground: The first option is to insulate the first-floor joist cavities, above the basement; and the second option is to insulate the basement walls and floor slab.Air conditioning can also create condensing surfaces. The same phenomenon can happen in reverse in the summertime. Let’s say the outdoor air is 85°F and the relative humidity is 75%. When outdoor air leaking inward contacts a surface below about 76°F, the moisture in the air will condense. So if you have an exhaust fan in your home, the air ...With an R-90 roof and R-60 walls, Jenz Yoder's new off-grid house will be well insulated. Yoder's quandary, outlined at Green Building Advisor's Q&A forum, is whether radiant-floor heat is a good idea. "I had two …Inspect the attic access carefully to find any air-leakage pathways that need to be sealed. For house plans, use the pen test. Make it easy for occupants to use, including returning it to the sealed position. Attics can be as cold as the outdoor air in winter and much hotter than outdoor air in summer.From an environmental standpoint, masonry heaters burn fuel very rapidly at a high temperature. This results in very complete combustion with little pollution generated. Except when first starting the fire, there should be no visible smoke. From a performance and comfort standpoint, masonry heaters take a long time to heat up, but they then ...Martin Holladay's 30-year-old solar panel has been exposed to the weather on his rooftop for 30 years. In 1980, after living in the woods of Vermont without electricity for five years, I bought my first photovoltaic (PV) module. Responding to a small ad in Mother Earth News, I sent a check to Joel Davidson, …Duct joints should always be secured with #8 sheet-metal screws before seams are sealed with mastic. Sealing duct seams is messy work, so wear old clothes. The mastic is spread over duct seams with a disposable paintbrush, putty knife, or your fingers. (If you spread mastic with your fingers, wear rubber gloves.)Rockwool Comfortboard 80 is a rigid stone wool board designed for continuous insulation applications. A non-structural sheathing product, it provides increased thermal performance in 4 in. and 5 in. thicknesses, providing thermal performance up to R-21 for building envelopes. As a continuous exterior …If you are building a new home, do your best to reduce air leakage, and you'll be fine. During the winter, the supply air from an HRV will be somewhat dryer than the supply air from an ERV, so choose an ERV if you're worried. But I don't think an HRV will cause any problems at all in your climate.The authors report that 10% of the residential heat pumps they surveyed had detectable leaks and that 3.8% of the total refrigerant charge was lost annually. Catastrophic leaks, in which systems lost 50% or more of their initial charge, were responsible for the vast majority—about 92%—of refrigerant losses. Heat pumps, properly installed ...Green is often less expensive when all things are considered Sustainable building often seems more expensive than conventional building. Many of the building materials that make houses more durable and easier to heat and cool aren’t cheap. Complicated systems that allow a certain amount of energy …Design your building and design the excavation. Create a tent roof like the building roof, dig the excavation, and put the tent roof over the excavation. Then wait. Maybe a year, maybe more. After every heavy rain go back to the hole and see if the hole is dry. If, after a long wait the hole remains dry then build your …We are green building advisors, providing intelligent project management solutions in Maryland, Pennsylvania, Delaware, Washington DC, and Virginia Ecologic LLC 410-472-1155Recommended patio or sliding door for high-performing house. Midcoast Maine new construction 1400sf house. R40 walls, R60 roof. Windows triple pane. Do you have a recommendation for an 6-0x6-8 slider or patio exterior door?That will deflect water away from accumulating in the window wells. Secure them down so they don't blow away (e.g., with tent stakes). 5. Remember the importance of grading. Slope away from the foundation in all directions to avoid water pooling at the foundation perimeter. Check during intense or long rainy periods.Gregg is renovating his 50-year-old house in Wisconsin and trying to devise the best way of insulating exterior walls from the outside. The house was built conventionally, with 2x4 walls, fiberglass batt insulation, fiberboard sheathing, and hardboard siding. He plans to tear off both siding and sheathing and remove the batt insulation, then apply 3 in. …The building will be a large shop/residence in Zone 6 - stick built (2” x 6”s), 30’ x 80’ with 12’ walls, slab on grade. Roof system will be 30’ wide-spread trusses, ~8’ high on 2’ centers (snow loads 100lbs and wind 115 mph gusts) with 7.25” high energy heals and a 12’ “box” space for storage running the length of the roof space between the webs.22 reviews. #1 of 1 small hotel in Primorsko-Akhtarsk. Location. 4.5. Cleanliness. 3.6. Service. 3.6. Value. 3.0. Welcome to Tropicana Hotel, your Primorsko-Akhtarsk “home …. Paws and claws rochester mn, Monmouth medical center long branch nj, Fast aid urgent care, Philadelphia love run, Rotary club international, Discount pool mart, Miller's ale house restaurant, Powers motorsports, Samuel u rodgers health center.