I am trying to help a client fulfill the New York 2020 Energy Conservation Construction Code ERV/HRV fan efficacy requirement of 1.2 cfm / watt.The HVAC company has spec'ed out…
I have a client (Zone 4a) that is thinking about using SubSeal-40, made by MFM Building Products Corp, as a weather/air barrier on exterior plywood sheathing. The siding would be…
Hi, I am a HERS Rater in NY. Zone 4A. I have an architect that is speccing a sealed attic with dense pack cellulose in 2x12 cavities. Is that possible?…
Recent Q&A
ERV/HRV Fan Efficacy cfm/watt
I am trying to help a client fulfill the New York 2020 Energy Conservation Construction Code ERV/HRV fan efficacy requirement of 1.2 cfm / watt.The HVAC company has spec'ed out…
SubSeal-40 as air barrier?
I have a client (Zone 4a) that is thinking about using SubSeal-40, made by MFM Building Products Corp, as a weather/air barrier on exterior plywood sheathing. The siding would be…
密封和dense-packed纤维素阁楼吗?
Hi, I am a HERS Rater in NY. Zone 4A. I have an architect that is speccing a sealed attic with dense pack cellulose in 2x12 cavities. Is that possible?…