General Questions- Page 147 of 1410
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Double Vapor Barrier
My situation is such that I am building a little cabin in zone 6. Almost 2 years ago, we didn't know all the information and built a t111 siding, tyvek…
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Ducted Minisplit and Static Pressure
Edited for clarityis .16" wc external static pressure enough to serve multiple rooms with a central return grille ? A contractor is proposing a Bosch 3/4 T compact ducted AH…
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Air Quality – best approach?
Hey everyone,I recently moved into a 1960s home (location Toronto/Canada), that has had air sealing done to it in the past. The blower door test came back at 4 ACH…
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Lochinvar Combi-Boiler Missing Outdoor Air Sensor
We had a Lochinvar - NKC199N (199,000 BTU) combi-boiler installed last fall. Our house is only 1,600 sq/ft and decently insulated so it seemed like overkill, but had to do…
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Single vs. Two-Component Foam for Band Joist
I have a fairly messy band joist between my attached garage and house with joists from both sides coming through. I was thinking to air seal and insulate it with…
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Vertical siding, 1/2″ CDX nailing, and rain screens
Hi All, Zone 5. Western Ma. First time owner/builder, building my own house. Budget is tight, skill set is limited.I have the house framed, and fully dried in. 1/2" CDX…
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New addition without spray foam
We are trying to finish up plans with our builder for a new 1500 sqft addition with a 1500 sqft basement. I've been enjoying reading through many of the articles here to…
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Replacing Fiberglass with Mineral Wool
Gable and roof vented Cape cod attic.Zone 4 SW MO I believe it's r19 between the ceiling joists with unfaced r30 rolled across it. I want to replace the r19…
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Second Floor Deck Waterproofing
We have framed a second floor deck above a patio out of beautiful locally sawn cedar joists and as per usual, it is framed level. The client has now requested…
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Installing Foam Board Over Cut-and-Cobble Insulation
Summary Can I add 1/2 foam board insulation over an air tight cut and cobbled wall cavity with irregular depths? (pics attached) Specs - 7' x 10' - ceiling: vaulted,…