Energy efficiency and durability

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Out-sulation vs Double Stud Walls 3 2 hours 14 min ago
by Rob Shuman
45 min 45 sec ago
by Martin Holladay, GBA Advisor
Insulating and air-sealing a room-in-truss over a garage 1 12 hours 32 min ago
by Ben Helmreich
5 hours 55 min ago
by Martin Holladay, GBA Advisor
Spray foam & wood roof deck 15 3 days 20 hours ago
by Sheila Sullivan
16 hours 42 min ago
by Dana Dorsett
Roof insulation / decking combination 1 1 day 19 hours ago
by Mike Gagne
1 day 4 hours ago
by Martin Holladay, GBA Advisor
If I have a 5 1/2 in. square framing bay and the exact same 5 1/2 inch square batt, does it matter which way I install it? 5 2 days 17 hours ago
by rich graves
1 day 23 hours ago
by rich graves
Insulating interior AND exterior basement walls OK? 3 3 days 20 hours ago
by Nikola Kolarich
2 days 5 hours ago
by Martin Holladay, GBA Advisor
Ventilation above foam on roof application? 4 6 days 2 hours ago
by terry grube
3 days 19 hours ago
by Martin Holladay, GBA Advisor
Necessary layers for a wood-framed insulated metal building 4 4 days 21 hours ago
by Zane Morgan
4 days 17 hours ago
by Malcolm Taylor
I need to show that 4" of EPS is weather resistant 3 6 days 21 hours ago
by Daniel Sterns
6 days 5 hours ago
by Martin Holladay, GBA Advisor
Vented crawl space insulation, Southern California 2 1 week 13 hours ago
by Mike Simanyi
6 days 21 hours ago
by Dana Dorsett
Insulating an unvented low-slope roof 1 6 days 23 hours ago
by Alexander Brace
6 days 22 hours ago
by Martin Holladay, GBA Advisor
Foam, cellulose, sealing, or none of the above? Benefits outweigh risks? 5 1 week 21 hours ago
by George G
6 days 23 hours ago
by Martin Holladay, GBA Advisor
Why doesn't RESNET put more weight on air sealing in their proprietary formula for determining the HERS Index of a new home? 4 1 week 1 day ago
by JOSEPH POLAND
1 week 15 hours ago
by John Semmelhack
Used XPS or new EPS for outer layer of over roof insulation 6 1 week 3 days ago
by Eric West
1 week 21 hours ago
by Dana Dorsett
Open-cell spray foam vs. Roxul 3 1 week 4 days ago
by Anthony Hughes
1 week 21 hours ago
by Dana Dorsett
2x4 wall buildups with polyiso/air barriers/vapor retarders 28 1 week 5 days ago
by jeremy harris
1 week 3 days ago
by jeremy harris
Additional considerations for finishing a walk-out basement to be a pottery studio? 2 1 week 4 days ago
by Cyrus Collins
1 week 3 days ago
by Cyrus Collins
EPS / XPS on interior ceiling 3 1 week 5 days ago
by Michael Berger
1 week 4 days ago
by Martin Holladay, GBA Advisor
Ready to insulate a new home 33 5 weeks 3 days ago
by Anthony Hughes
1 week 4 days ago
by Martin Holladay, GBA Advisor
Double stud wall 4 3 weeks 1 day ago
by Sheldon Lee
1 week 4 days ago
by Martin Holladay, GBA Advisor
Open-cell spray foam in joist areas with polyiso on exterior walls? 15 1 year 51 weeks ago
by john bell
1 week 4 days ago
by Anthony Hughes
Garage wall insulation 9 1 week 5 days ago
by Anthony Hughes
1 week 4 days ago
by Anthony Hughes
Is it possible that using a solar-powered attic fan would be appropriate in my situation? 4 1 week 5 days ago
by John Alberti
1 week 5 days ago
by Dana Dorsett
Spray foaming the attic with a twist 19 4 weeks 4 days ago
by Matt Culik
1 week 5 days ago
by Martin Holladay, GBA Advisor
XPS versus EPS Underslab Foam 20 19 weeks 3 days ago
by Matthew Michaud
1 week 6 days ago
by Dana Dorsett
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