General Questions- Page 55 of 1409
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Best ways to isolate source of musty smell?
I get a musty/moldy smell in my house. I can't figure out the source. Maybe it's the carpets? Maybe there is actually some mold in the ceiling or walls somewhere.…
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Ventilation Strategy using TwinFresh/Lunos and Bath fans
Hi all, 3bed, 2600sqft home in Zone 3B (southern California). Home has no attic, no crawlspace so very limited space for any type of ducted ERV. Luckily, fairly mild year round temperatures…
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2 Layers of 1″ vs. 1 Layer of 2″ Polyiso
TLDR: Is there a benefit to using a single layer of 2" foil-faced polyiso vs. two layers of 1" material? I'm currently building up a materials list for a planned…
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Ice / Water shield went down before drip edge.
My roofer couldn't get over prior to a bunch of rain in the forecast so I told my framer to put the ice/water shield on... My error. Now the ice…
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1931 unvented flat roof
Hello all,New member here. I'm located at around 7k feet up in the New Mexican mountains. We do get a few inches of snow in the winter and a monsoon…
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How to size a heat pump water heater for large range of demand
Questions are at the end.Background - environment, infrastructure and loadsWe are building an addition on our 60-year old home, making this a good time to replace our 27 year-old water…
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Alternative Rafter Tie Connections
I will be using I-joist on the attic floor; however, most manufactures state they are inadequate as rafter ties. I was wondering if I could lay a 2x4 on top…
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Insulation Plan for a Non-Vented Attic & a Open Carport beneath a Conditioned room
I'm building a home in Vermont and recently asked a question about my low slope cathedral ceiling, thank you for the responses on this blog they were very helpful.I have…
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Where to sell unused construction materials (MemBrain Vapor Barrier 5x)
Hello, Any advice on where to re-sell unused construction materials that one cannot return? I have 5x unopened Membrain Vapor Barriers that I am unable to return. a) anyone want to buy them…
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How much Insulation makes sense?
There seems to be an endless amount of discussion on this siteabout the amount and type of insulation that make sense for oneproject or another. The answer invariably given is…