Energy efficiency and durability

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Relative value of air sealing at exterior sheathing 8 5 days 23 hours ago
by Hugh Stearns
6 min 25 sec ago
by Dana Dorsett
Interesting SIP alternative 15 6 weeks 6 days ago
by William Oldaker
1 hour 57 min ago
by Martin Holladay, GBA Advisor
General questions re: building in Zone 7 18 20 weeks 2 days ago
by Brad VanVickle
2 hours 44 min ago
by Richard Lewin
Dense-packed cellulose in exterior walls 3 5 days 3 hours ago
by T S
5 hours 1 min ago
by Martin Holladay, GBA Advisor
Are there any builders, architects, engineers, or homeowners interested in industrial hemp building? 6 3 weeks 4 hours ago
by kristin steen
11 hours 1 min ago
by Alan B
It's 2015 and they still build like this... 30 6 days 12 hours ago
by Peter L
3 days 21 hours ago
by Peter L
Spray foam insulation in attic? 2 1 week 2 days ago
by T S
6 days 4 hours ago
by Charlie Sullivan
Did I goof badly? Metal bracket against exterior sheathing 7 1 week 3 hours ago
by Gary Dick
6 days 23 hours ago
by Gary Dick
Is it advisable to use nail base insulation panels over a roof insulated with closed cell spray foam? 13 5 weeks 4 days ago
by Jodi Gunderson
1 week 3 hours ago
by Martin Holladay, GBA Advisor
Cut and cobble polyiso then spray foam 3 1 week 1 day ago
by jason hood
1 week 3 hours ago
by Martin Holladay, GBA Advisor
Would insulation blown into an exterior wall eliminate bird infestation? 1 1 week 20 hours ago
by Catherine Rodner
1 week 19 hours ago
by Dana Dorsett
Extract current insulation before spray foam in the attic? 1 1 week 3 days ago
by David Adams
1 week 1 day ago
by Martin Holladay, GBA Advisor
I'm building a home in northern Virginia, climate zone 4 6 1 week 4 days ago
by Esther Streusand
1 week 2 days ago
by Peter L
R-max between drywall and insulated attic 2 1 week 4 days ago
by Ralph Vickers
1 week 3 days ago
by Ralph Vickers
Recommendations for a small bathroom reno 1 1 week 5 days ago
by Phil Ray
1 week 4 days ago
by Martin Holladay, GBA Advisor
What is the permability of half inch (0.5") XPS? 3 2 weeks 1 day ago
by Wesley Manning
2 weeks 3 hours ago
by D Dorsett
What is the minimum permeability for drying to the exterior in Zone 6? 4 2 weeks 1 day ago
by Wesley Manning
2 weeks 4 hours ago
by D Dorsett
Is this a good plan for updating our wall layers? 4 2 weeks 1 day ago
by Chad B
2 weeks 7 hours ago
by Martin Holladay, GBA Advisor
Spray foam advice 4 2 weeks 4 days ago
by Joe Pavia
2 weeks 1 day ago
by D Dorsett
REMOTE house construction technique 2 2 weeks 2 days ago
by Brian W
2 weeks 1 day ago
by Brian W
Another "How to insulate this old house" question 1 2 weeks 1 day ago
by Jason Hartlage
2 weeks 1 day ago
by Martin Holladay, GBA Advisor
Wet basement OSB sheathing 36 21 weeks 3 days ago
by Neil Cicciu
2 weeks 3 days ago
by Martin Holladay, GBA Advisor
How to reduce summer heat highs with insulation and ventilation in a conditioned attic with 2x4 roof rafters? 2 2 weeks 4 days ago
by John Lindner
2 weeks 4 days ago
by John Lindner
Adding exterior rigid insulation to Superior Walls 1 2 weeks 4 days ago
by Brian W
2 weeks 4 days ago
by Martin Holladay, GBA Advisor
Mastic over asbestos tape? 1 2 weeks 6 days ago
by Jeff Braimes
2 weeks 6 days ago
by Martin Holladay, GBA Advisor
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