General Questions- Page 85 of 1409
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Synthetic roof felt under hardwoods
Is there any reason not to use synthetic underlay instead of asphalt roof felt? It is 3/4 site finished oakThanks
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Linesets through the attic-proper anti vibration
I have a 30' length of lineset running through my attic that seems to transmit a low sounding hum through the home when the outside compresser is running. The installer…
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Roof insulation discontinuity
Dear all,I am new on this forum. I am working on a project for a shopping mall located in Greece (Europe), according to ASHRAE it is Climate Zone 3. For this…
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Crawlspace rim joist insulation in mixed humid climate?
I keep going around in circles on this one because so many folks in the building industry here in central North Carolina have different opinions on how to insulate the…
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Exterior duct size for Panasonic ERV
Background info: We are adding a ground-floor bedroom suite to our quasi-passive house (i.e., meets all the PHIUS requirements but was never certified). The addition is roughly 500sf and will…
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Bathroom Exhaust Vent – Aluminum or Plastic Vent Pipe
On a bathroom exhaust vent. Is it better to use an insulated plastic flexible exhaust or a flexible aluminum vent pipe? Will an aluminum vent pipe cause more condensation issues…
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Ontario house failures – Mike Holmes homes
I don't live in the area so this may be old news for those who do. But this short video looks at design/construction failures in homes around Ontario. It's very…
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Condensation new build
We are in the building process of a custom home. The electrician is installing lights in the ceiling and noticed condensation on the closed cell spray foam on the underside…
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Freeze/thaw moisture issues behind roof insulation
I insulated a vaulted ceiling with R30 rockwool between the rafters and 2” foilfaced foam board below rafters to slow thermal bridging. I’m having moisture issues. Small amounts of water…
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Belts & Suspender window install with Zip—install 2nd WRB before or after window install?
Hi, I’m trying to plan for the most resilient window method installation possible, and I’m looking for a tried and true Zip window install. This will be for climate Zone 6B.Particulars…