Energy efficiency and durability

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Insulating Cantilever Space Containing Water Pipes Zone 4A No. VA 1 12 hours 41 min ago
by Alex Chandler
11 hours 10 min ago
by aj builder, Upstate NY Zone 6a
Air and moisture proofing 4 2 days 5 hours ago
by Dave B
1 day 6 hours ago
by Martin Holladay, GBA Advisor
Insulating and air-sealing a room-in-truss over a garage 3 4 days 23 hours ago
by Ben Helmreich
1 day 9 hours ago
by Martin Holladay, GBA Advisor
A layer of 1" XPS foam between fiberglass batts? 2 1 day 11 hours ago
by Joshua Streblow
1 day 10 hours ago
by Joshua Streblow
Thoughts on insulating — renovation 2 2 days 6 hours ago
by Dave B
1 day 12 hours ago
by Dave B
Metal building — office insulation 1 2 days 1 hour ago
by William Sauder
1 day 14 hours ago
by Martin Holladay, GBA Advisor
Has the Oak Ridge study on convective heat loss in blown fiberglass been updated to cover newer materials? 6 8 weeks 5 days ago
by Neil Weinstock
3 days 2 hours ago
by Terry Lee
Trying to determine best assembly to insulate an old church roof being converted to office 4 4 days 5 hours ago
by Eric Kronberg
3 days 13 hours ago
by Eric Kronberg
Out-sulation vs Double Stud Walls 4 4 days 12 hours ago
by Rob Shuman
4 days 10 hours ago
by Dan Kolbert
Spray foam & wood roof deck 15 1 week 1 day ago
by Sheila Sullivan
5 days 3 hours ago
by Dana Dorsett
Roof insulation / decking combination 1 6 days 5 hours ago
by Mike Gagne
5 days 15 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 1 week 4 hours ago
by rich graves
6 days 10 hours ago
by rich graves
Insulating interior AND exterior basement walls OK? 3 1 week 1 day ago
by Nikola Kolarich
6 days 15 hours ago
by Martin Holladay, GBA Advisor
Ventilation above foam on roof application? 4 1 week 3 days ago
by terry grube
1 week 1 day ago
by Martin Holladay, GBA Advisor
Necessary layers for a wood-framed insulated metal building 4 1 week 2 days ago
by Zane Morgan
1 week 2 days ago
by Malcolm Taylor
I need to show that 4" of EPS is weather resistant 3 1 week 4 days ago
by Daniel Sterns
1 week 3 days ago
by Martin Holladay, GBA Advisor
Vented crawl space insulation, Southern California 2 1 week 5 days ago
by Mike Simanyi
1 week 4 days ago
by Dana Dorsett
Insulating an unvented low-slope roof 1 1 week 4 days ago
by Alexander Brace
1 week 4 days ago
by Martin Holladay, GBA Advisor
Foam, cellulose, sealing, or none of the above? Benefits outweigh risks? 5 1 week 5 days ago
by George G
1 week 4 days 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 6 days ago
by JOSEPH POLAND
1 week 5 days ago
by John Semmelhack
Used XPS or new EPS for outer layer of over roof insulation 6 2 weeks 1 day ago
by Eric West
1 week 5 days ago
by Dana Dorsett
Open-cell spray foam vs. Roxul 3 2 weeks 2 days ago
by Anthony Hughes
1 week 5 days ago
by Dana Dorsett
2x4 wall buildups with polyiso/air barriers/vapor retarders 28 2 weeks 3 days ago
by jeremy harris
2 weeks 1 day ago
by jeremy harris
Additional considerations for finishing a walk-out basement to be a pottery studio? 2 2 weeks 2 days ago
by Cyrus Collins
2 weeks 1 day ago
by Cyrus Collins
EPS / XPS on interior ceiling 3 2 weeks 3 days ago
by Michael Berger
2 weeks 1 day ago
by Martin Holladay, GBA Advisor
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