Questions- Page 2399 of 3124
-
What’s a better stackup for R-value and moisture management for a cathedral ceiling?
I have a hand framed area between ganged room in attic trusses that I could potentially turn into a cathedral ceiling. The spacing between the gangled roof trusses is 10'…
-
Whole R value 2×8 vs 2×6
I have been studying up on the building science High R value wall study and am trying to wrap my head around why the whole R value of a 2x8…
-
New Mitsubishi Hyper Heat multi splits have finally arrived
I was having a discussion with someone on reddit and they mentioned having a MXZ-3C24NAHZ model recommended by a contractor, which I had never seen before. Googled it and, lo…
-
Interior Basement Wall Advice
Hello all! Long time reader, first time poster. I need some advice for insulating a full basement. Here's my situation and conditions as they currently exist. Hopefully I'm not forgetting…
-
Radon mitigation and fresh air supply combined?
Hello, if a home tests positive for radon and also would like to have an ERV & fresh air ventilation system, can these things be combined? In other words, can…
-
Two layers of R4.2 on attic ductwork
Hello all, A client just had her ducts insulated. Unfortunately, the HVAC company installed R4.2 instead of R8 and to 'ease' the repair just wrapped another layer of R4.2 over…
-
Ductless minisplit retrofit question
I live in southeastern NC, near the coast. My house is just under 1900 sqft with a bonus room over an attached two car garage. My HVAC ducts are in…
-
Boiler water temp not matching aquastat setting
I have a hydronic heating system- mostly cast iron radiators and a couple cast iron baseboards and 3 copper fin baseboards. Aquastat is set to 190*. Water temps only get…
-
What is the best section detail for a recessed porch over an occupied space?
I am desiging a recessed porch off a second floor master bedroom. The porch/MB is above the garage. I am looking for waterproofing and insulation details for this condition. Thanks…
-
Air-sealing in frigid weather. Can foam or caulk?
My house is bone dry (humidity in the teens). I know most of my walls are empty and likely I will not be blowing in dense pack cellulose until spring.…