GBA Pro help

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Rigid foam roof insulation and polyethylene vapor barrier inside — problem? 4 1 hour 49 min ago
by Dirk Gently
20 sec ago
by Dirk Gently
Alternate cathedral ceiling retrofit 3 4 hours 54 min ago
by Glen Poklikuha
1 hour 21 min ago
by Glen Poklikuha
Modular house design overview 9 2 weeks 2 days ago
by mike haskell
1 day 18 hours ago
by Arthur Ledoux
Where is the building envelope? 2 3 days 10 hours ago
by Robert Brown
1 day 22 hours ago
by Robert Brown
2/12 cathedral roof replacement 15 4 weeks 3 days ago
by mark kessler
1 day 22 hours ago
by Keith Gustafson
Question re furring strips, XP drywall, and finishing basement over 3" of polyiso 0 4 days 2 hours ago
by Apollo S
n/a
New home and ductless minisplits 7 1 week 2 days ago
by Peter L
5 days 19 hours ago
by Peter L
Unvented slanted roof with radiant cooling and NO polyurethane in 4C 19 2 weeks 2 days ago
by Jan Verschuren
1 week 23 hours ago
by Jan Verschuren
Is fiberboard air impermeable? 2 1 week 1 day ago
by Rachel Wagner
1 week 1 day ago
by Rachel Wagner
Can I still use polyiso to insulate a rim joist that is irregular? 4 2 weeks 8 hours ago
by Apollo S
2 weeks 3 hours ago
by Apollo S
Unvented low-slope roof with exposed beams 7 2 weeks 3 days ago
by Donna Riley
2 weeks 2 days ago
by Malcolm Taylor
Trombe wall (non-vented) with exterior moveable mode of insulation? 10 3 weeks 5 days ago
by Thomas Tricarico
2 weeks 4 days ago
by Martin Holladay, GBA Advisor
Was ventilation required? 10 2 weeks 6 days ago
by Deven Patel
2 weeks 6 days ago
by Martin Holladay, GBA Advisor
Roxul board used in basement as insulation against concrete wall? 1 3 weeks 18 hours ago
by tim gabriel
3 weeks 17 hours ago
by Malcolm Taylor
Connecting ICF Foundation Wall + Timber Frame / SIP? 1 3 weeks 3 days ago
by greenSquid Sea
3 weeks 2 days ago
by Mark Fredericks
Calculating break-even point when mini-split costs same as running boiler 5 3 weeks 3 days ago
by Apollo S
3 weeks 3 days ago
by Apollo S
Double wall exterior sheathing 4 3 weeks 4 days ago
by Terry Herschberger
3 weeks 4 days ago
by Martin Holladay, GBA Advisor
Foil-faced batt insulation effect on wall construction? 9 4 weeks 6 hours ago
by Michael Kalustov
3 weeks 5 days ago
by D Dorsett
Sturbridge, Massachusetts — electric boiler 4 3 weeks 6 days ago
by howard kelley
3 weeks 5 days ago
by howard kelley
Possible electrical ground out or short? 4 4 weeks 6 days ago
by Sheleen Feldhaus
4 weeks 5 days ago
by Eric Habegger
To French drain & sump crawlspace next to full basement or not? 1 5 weeks 2 days ago
by Apollo S
5 weeks 1 day ago
by Martin Holladay, GBA Advisor
How to get rid of sour smell in new house with spray foam? 2 5 weeks 2 days ago
by Robert Cook
5 weeks 2 days ago
by greg harris
Is low density foam under the sheathing the right type of insulation for attics? 2 5 weeks 3 days ago
by Joseph Samsonowitz
5 weeks 3 days ago
by Charlie Sullivan
How do I construct a brow roof on the first story of a two-story structure? 6 5 weeks 6 days ago
by Steve Skalski
5 weeks 5 days ago
by Malcolm Taylor
Thermal separation of sealed crawlspace from room above. Do I need air sealing? 6 6 weeks 1 day ago
by Apollo S
6 weeks 1 day ago
by Martin Holladay, GBA Advisor
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