Energy efficiency and durability

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Spray foam insulation in attic? 2 3 days 18 hours ago
by T S
1 hour 54 min ago
by Charlie Sullivan
It's 2015 and they still build like this... 6 10 hours 20 min ago
by Peter L
3 hours 16 min ago
by Charlie Sullivan
Did I goof badly? Metal bracket against exterior sheathing 7 1 day 57 min ago
by Gary Dick
21 hours 37 min ago
by Gary Dick
Is it advisable to use nail base insulation panels over a roof insulated with closed cell spray foam? 13 4 weeks 4 days ago
by Jodi Gunderson
1 day 49 min ago
by Martin Holladay, GBA Advisor
Cut and cobble polyiso then spray foam 3 2 days 14 hours ago
by jason hood
1 day 50 min ago
by Martin Holladay, GBA Advisor
Would insulation blown into an exterior wall eliminate bird infestation? 1 1 day 17 hours ago
by Catherine Rodner
1 day 16 hours ago
by Dana Dorsett
Extract current insulation before spray foam in the attic? 1 4 days 17 hours ago
by David Adams
2 days 46 min ago
by Martin Holladay, GBA Advisor
I'm building a home in northern Virginia, climate zone 4 6 5 days 2 hours ago
by Esther Streusand
3 days 17 hours ago
by Peter L
R-max between drywall and insulated attic 2 5 days 13 hours ago
by Ralph Vickers
4 days 12 hours ago
by Ralph Vickers
Recommendations for a small bathroom reno 1 5 days 22 hours ago
by Phil Ray
5 days 20 hours ago
by Martin Holladay, GBA Advisor
What is the permability of half inch (0.5") XPS? 3 1 week 2 days ago
by Wesley Manning
1 week 1 day ago
by D Dorsett
What is the minimum permeability for drying to the exterior in Zone 6? 4 1 week 2 days ago
by Wesley Manning
1 week 1 day ago
by D Dorsett
Is this a good plan for updating our wall layers? 4 1 week 2 days ago
by Chad B
1 week 1 day ago
by Martin Holladay, GBA Advisor
Spray foam advice 4 1 week 5 days ago
by Joe Pavia
1 week 2 days ago
by D Dorsett
REMOTE house construction technique 2 1 week 3 days ago
by Brian W
1 week 2 days ago
by Brian W
Another "How to insulate this old house" question 1 1 week 2 days ago
by Jason Hartlage
1 week 2 days ago
by Martin Holladay, GBA Advisor
Wet basement OSB sheathing 36 20 weeks 4 days ago
by Neil Cicciu
1 week 4 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 1 week 5 days ago
by John Lindner
1 week 4 days ago
by John Lindner
Adding exterior rigid insulation to Superior Walls 1 1 week 5 days ago
by Brian W
1 week 5 days ago
by Martin Holladay, GBA Advisor
Mastic over asbestos tape? 1 2 weeks 11 hours ago
by Jeff Braimes
2 weeks 6 hours ago
by Martin Holladay, GBA Advisor
Are there any builders, architects, engineers, or homeowners interested in industrial hemp building? 3 2 weeks 1 day ago
by kristin steen
2 weeks 11 hours ago
by Malcolm Taylor
Heat Recovery Ventilation 5 3 weeks 1 day ago
by william mccullam
2 weeks 12 hours ago
by David D
Continuous Air Barrier at Ceiling with a Raised Heel Truss 14 2 weeks 5 days ago
by Brian W
2 weeks 1 day ago
by Jerry Liebler
What would a Class I, II, and III energy code look like ? 15 2 weeks 5 days ago
by W Ramsay
2 weeks 1 day ago
by Martin Holladay, GBA Advisor
Insulated basement slab vapor barrier location - above or below the under-slab insulation? 3 2 weeks 1 day ago
by Michael Tuso
2 weeks 1 day ago
by Martin Holladay, GBA Advisor
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