GBA Pro Help- Page 12 of 151
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Effect of gravity / thermosiphon recirculation system on Heat Pump Water Heater
I apologize if this exact question was answered within other Q&A threads discussing pump driven recirculation loops, but I couldn't find anything from searches.I am considering installing a HPWH to…
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Old Barn Insulation Plan
Hello,A client has hired me to come up with an insulation plan for the second floor of his old Maine farmhouse, zone 6. The plan is to create a conditioned…
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Is 3 inches of sub slab EPS enough in Climate Zone 7?
We are remodeling a 40 x 30ft house with extensive cat damage and urine odor. House is located in Vilas County, northern Wisconsin, in climate zone 7. Although I think…
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Having Spray Foam installed on basement cement block in colder weather
We are remodeling a house in Climate zone 7 in northern Wisconsin that has extensive damage and odor issues from cats.We were planning on spray foaming the interior of the…
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Spray on foam needed on inside of rafter blocking?
Hello,I am building a straw bale home in southern Idaho. "Cold" region, and dry.Thus far, the build is as shown in the sketch.....minus the spray foam against the exterior blocking…
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Air Sealing a Split Level Attic, Reading Thermal Images
Does this look like the top plates have been air sealed? Is there ever justification to only air seal the top plates of an upper attic and not also a…
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Frost-Protected Shallow Foundation for Unheated Building
Question: Does anybody have experience using a frost-protected shallow foundation for an unheated (or semi-heated) structure? How'd it go? Apart from a builder's guide from 2004, there's a dearth of…
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RETROFIT INJECTION FOAM INSULATION IN 2 X 4 EXTERIOR WALLS
Hoping I can get some good feedback from experienced and knowledgable people. This is my first post. Recently I had an insulation winterization retrofitting program for wall insulation installed in…
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Questioning Heat Pump size in our just completed HVAC Design
Hello and thanks in advance for considering this question. We have just received our HVAC Design plan for our 2900 sq. ft. 1.5 storey home to be built on the…
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Brick Moisture Issues
Hello, we have just finished the brick siding on a new build house, and I’ve noticed that the brick/mortar are discoloured in some areas. Upon further inspection it looks like…