Energy efficiency and durability

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Interior rigid insulation for a “flow-through” assembly? 13 21 weeks 21 hours ago
by Nicholas Brown
16 weeks 1 day ago
by Nicholas Brown
We are planning to retrofit an office building with existing fluorescent light fixtures to new 4-ft. LED bulbs 2 21 weeks 1 day ago
by John Powell
21 weeks 23 hours ago
by aj builder, Upstate NY Zone 6a
Has anyone been having problems with 3M 8067 All Weather tape splitting down the middle? 4 21 weeks 1 day ago
by Robert Mason
21 weeks 1 day ago
by Robert Mason
Insulating basement with foam and moisture transfer 2 21 weeks 1 day ago
by Corey B
21 weeks 23 hours ago
by Dana Dorsett
Extruded polystyrene 4 21 weeks 3 days ago
by Rolf Reiss
21 weeks 2 days ago
by Rolf Reiss
With a masonry exterior home, is "outsulation" the wrong way to go? 1 21 weeks 4 days ago
by Sal Lombardo
21 weeks 4 days ago
by Martin Holladay, GBA Advisor
Looking for feedback on insulation design for bonus room with "cut and cobble" 3 21 weeks 4 days ago
by Rick Van Handel
21 weeks 3 days ago
by Rick Van Handel
Roof leak argument for open-cell vs. closed-cell under roof deck 1 21 weeks 5 days ago
by Woody McMahon
21 weeks 5 days ago
by Martin Holladay, GBA Advisor
How much rigid insulation on the outside of this house? 1 21 weeks 5 days ago
by Chuck Everett
21 weeks 5 days ago
by Martin Holladay, GBA Advisor
If a home will run on 100% solar electricity, is it still wise to spend extra $$ to make the home LEED or Passive certified? 1 21 weeks 5 days ago
by Eddie Bautista
21 weeks 5 days ago
by Martin Holladay, GBA Advisor
Old brick with closed-cell foam on interior - Exterior paint? 1 22 weeks 20 hours ago
by Wayne Weikel
22 weeks 8 hours ago
by Martin Holladay, GBA Advisor
Efficient roof hatch? 1 22 weeks 20 hours ago
by Wayne Weikel
22 weeks 8 hours ago
by Martin Holladay, GBA Advisor
Insulate knee walls 3 22 weeks 21 hours ago
by Jim Johnston
22 weeks 8 hours ago
by Martin Holladay, GBA Advisor
Best way to air seal an attic? 4 22 weeks 2 days ago
by Woody McMahon
22 weeks 1 day ago
by Jesse Smith
Best bang for the buck: insulation choices in a story-and-a-half home in Zone 5 1 22 weeks 3 days ago
by James M.
22 weeks 3 days ago
by Martin Holladay, GBA Advisor
Looking to do away with my oil heat 13 22 weeks 5 days ago
by Khouri Rice
22 weeks 3 days ago
by Dana Dorsett
Improvement of older windows... 3 22 weeks 5 days ago
by Howard Gentler
22 weeks 5 hours ago
by Howard Gentler
We need some advice on a solar envelope house 2 23 weeks 12 hours ago
by Erin Litteken
18 weeks 4 days ago
by Jane Wheeler
Do bulb replacement programs save energy in heating climates? 11 23 weeks 1 day ago
by David Meiland
22 weeks 3 days ago
by Dana Dorsett
Are operable windows an unnecessary extravagance in a today's green houses? 23 23 weeks 1 day ago
by Rick Van Handel
22 weeks 1 day ago
by aj builder, Upstate NY Zone 6a
Is the R-value of a PVC ceiling better than 6.4 mm RhinoBoard? 1 23 weeks 2 days ago
by Johan Van Vuuren
23 weeks 2 days ago
by Martin Holladay, GBA Advisor
What level of heat is recommended in an unvented crawlspace? 3 23 weeks 2 days ago
by brian rawlinson
23 weeks 1 day ago
by Martin Holladay, GBA Advisor
Comparing HVI and AHRI test results for ERVs 3 23 weeks 2 days ago
by Jennifer Martin
23 weeks 2 days ago
by Martin Holladay, GBA Advisor
Best way to seal off attic above drop ceiling? Plywood and seal, 1 or 2" foamboard? 8 23 weeks 3 days ago
by Jeff Alligood
23 weeks 2 days ago
by Martin Holladay, GBA Advisor
Mini-split exterior heat collector unit in attic? 15 23 weeks 4 days ago
by Kerry Batdorf
23 weeks 2 days ago
by Kerry Batdorf
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