GBA Pro help

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Is fiberboard air impermeable? 2 4 weeks 1 day ago
by Rachel Wagner
4 weeks 1 day ago
by Rachel Wagner
Can I still use polyiso to insulate a rim joist that is irregular? 4 5 weeks 21 hours ago
by Apollo S
5 weeks 17 hours ago
by Apollo S
Unvented low-slope roof with exposed beams 7 5 weeks 3 days ago
by Donna Riley
5 weeks 3 days ago
by Malcolm Taylor
Trombe wall (non-vented) with exterior moveable mode of insulation? 10 6 weeks 5 days ago
by Thomas Tricarico
5 weeks 5 days ago
by Martin Holladay, GBA Advisor
Was ventilation required? 10 5 weeks 6 days ago
by Deven Patel
5 weeks 6 days ago
by Martin Holladay, GBA Advisor
Roxul board used in basement as insulation against concrete wall? 1 6 weeks 1 day ago
by tim gabriel
6 weeks 1 day ago
by Malcolm Taylor
Connecting ICF Foundation Wall + Timber Frame / SIP? 1 6 weeks 3 days ago
by greenSquid Sea
6 weeks 2 days ago
by Mark Fredericks
Calculating break-even point when mini-split costs same as running boiler 5 6 weeks 4 days ago
by Apollo S
6 weeks 3 days ago
by Apollo S
Double wall exterior sheathing 4 6 weeks 4 days ago
by Terry Herschberger
6 weeks 4 days ago
by Martin Holladay, GBA Advisor
Foil-faced batt insulation effect on wall construction? 9 7 weeks 20 hours ago
by Michael Kalustov
6 weeks 5 days ago
by D Dorsett
Sturbridge, Massachusetts — electric boiler 4 7 weeks 2 hours ago
by howard kelley
6 weeks 6 days ago
by howard kelley
Possible electrical ground out or short? 4 7 weeks 6 days ago
by Sheleen Feldhaus
7 weeks 5 days ago
by Eric Habegger
To French drain & sump crawlspace next to full basement or not? 1 8 weeks 2 days ago
by Apollo S
8 weeks 2 days ago
by Martin Holladay, GBA Advisor
How to get rid of sour smell in new house with spray foam? 2 8 weeks 3 days ago
by Robert Cook
8 weeks 2 days ago
by greg harris
Is low density foam under the sheathing the right type of insulation for attics? 2 8 weeks 3 days ago
by Joseph Samsonowitz
8 weeks 3 days ago
by Charlie Sullivan
How do I construct a brow roof on the first story of a two-story structure? 6 9 weeks 5 hours ago
by Steve Skalski
8 weeks 5 days ago
by Malcolm Taylor
Thermal separation of sealed crawlspace from room above. Do I need air sealing? 6 9 weeks 1 day ago
by Apollo S
9 weeks 1 day ago
by Martin Holladay, GBA Advisor
Air Exchanges in a new house 8 10 weeks 1 day ago
by John Pugh
9 weeks 3 days ago
by John Pugh
Does polyiso need to be flush with CMU crawlspace wall? 4 10 weeks 1 day ago
by Apollo S
10 weeks 16 hours ago
by Apollo S
Zone 2 wall insulation code 1 10 weeks 1 day ago
by Robert Brown
10 weeks 1 day ago
by Nathaniel G
How to insulate a cathedral ceiling under an exposed metal roof? 4 10 weeks 4 days ago
by Jennifer Duffy
10 weeks 2 days ago
by Martin Holladay, GBA Advisor
Help to plan foam insulation with AC ductwork inside 4 1/2" high rafter bay cavity in roof assembly. 9 10 weeks 4 days ago
by James Berry
10 weeks 4 days ago
by James Berry
How to insulate valleys in a cathedral ceiling to avoid ice dams? 2 10 weeks 5 days ago
by OLIVIER van lier
10 weeks 5 days ago
by Martin Holladay, GBA Advisor
LPG infloor heat with HWH with a heat exchanger in the HWH is too expensive to run! 11 11 weeks 5 days ago
by Ed Jones
11 weeks 4 days ago
by Ed Jones
Mud sill seal 0 12 weeks 1 day ago
by Robert Brown
n/a
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