General Questions- Page 15 of 1395
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Air tight office humidity
I built a tiny 7x9 office and while I haven't done a blower door test I was extremely meticulous in air sealing. I live in Portland, OR and even though…
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How do you cover rusted gas pipes and meter
Hope everyone is well. I have an external natural gas line entering the house on the side that is very visible and looks bad aesthetically. The pipe has rusted. Can…
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movable window insulation for 14 large windows
Hi all,I have a passive solar (not passiv haus)house in North Texas that works very well most of the time. It is efficient in the summer and also quite comfortable…
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no vapour barrier under slab?
The engineer who designed my insulated slab is giving me advice contrary to what I've read on here, and frankly contrary to what makes intuitive sense to me. When I…
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Copper barrier for termites?
I’ve been considering the various ways I can address subterranean termite issues as I work on re-siding my house. Currently, the house sits on 6x6 sill beams, some of which have…
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R-454b heat pump
Hello friends. I want to install a ducted heat pump, let’s say a Mr Cool or Mitsubishi or other. I want to get one that uses R-454b refrigerant which of…
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How to calculate assembly perm values when combining different materials?
I am looking to determine the perm rate for a floor assembly that will consist of Advantech 23/32 subfloor, solid white oak hardwood floor and an underlayment of some type…
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Exterior door threshold/rainscreen Q
Is there a rule of thumb when selecting the threshold depth for exterior doors that will be going in a rain screened house? There are a number of different standard…
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Garage ventilation
I have an attached gable-roof garage that is uninsulated. I'm retrofitting the house's roof with R-20 exterior foam insulation, that will extend over the garage as well. The only benefit…
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Converted Attic and Soffits
I recently had my attic converted from cellulose to spray foam. This was done to facilitate moving my Air Handler into the attic at the recommendation of my HVAC technician. When…