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Commercial

Zone 4A knee wall assembly question

Zone 4A knee wall assembly question JeffS1 | Posted in Energy Efficiency and Durability on September 25, 2026 11:58am Assuming that my knee wall is very well air-sealed, will the following assembly st...

2 weeks ago
897 views
Commercial

Cape backdraft damper vs butterfly damper

Cape backdraft damper vs butterfly damper User1f642 | Posted in General Questions on September 24, 2026 05:38am After reading some positive reviews on GBA, we recently purchased a 4″ Tamarack cape bac...

2 weeks ago
946 views
Market News

The Physics of Radiant Heat Transfer

Building Science The Physics of Radiant Heat Transfer Temperature difference and panel area set practical limits on radiant heating and cooling capacity. By Allison A. Bailes III, PhD | September 24, ...

2 weeks ago
333 views
Market News

Halle Berry lifts lid on life at home

Actress Halle Berry has opened up about the emotional adjustment that came with sending her 18-year-old daughter, Nahla Ariela Aubry, off to college in another state. Picture: Getty Images Actress Hal...

3 weeks ago
466 views
Commercial

Sub slab and basement insulation

Sub slab and basement insulation user-3375748 | Posted in Green Building Techniques on September 21, 2026 10:07pm hi- looking to rebuild my house and want to end up with a high performing build, close...

3 weeks ago
652 views
Commercial

PEX-A sleeve

PEX-A sleeve or2025 | Posted in General Questions on September 20, 2026 12:02pm I’ll be using a 1” PEX-A as my water main. I’d like to put it in a PVC conduit sleeve to protect it and give the option ...

3 weeks ago
387 views
Commercial

Should I go for passivhaus cert?

Should I go for passivhaus cert? big__o | Posted in General Questions on September 16, 2026 08:42am I’m building a  very low budget, below net zero house. It is a 1.5 story on a 40’x28′ footprint. It ...

3 weeks ago
440 views
Commercial

Cold floors?

Cold floors? 117 | Posted in General Questions on September 10, 2026 08:53am I have a 1970’s 2-family house, upstate NY Saratoga region, zone 5a, electric heat with a full unheated basement resulting ...

1 month ago
620 views