Green building techniques

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Options for high R-value above-grade walls (R-80)? 34 4 weeks 2 days ago
by Tom Schmidt
1 day 6 hours ago
by Tim G
Vented roof insulation 1 3 days 16 hours ago
by Robert Holland
3 days 14 hours ago
by Martin Holladay, GBA Advisor
Roxul Comfortboard - disadvantages? 10 5 days 19 hours ago
by Mark Fredericks
3 days 19 hours ago
by Mark Fredericks
Building science options 9 2 weeks 19 hours ago
by Jason Schatz
1 week 3 days ago
by Richard Beyer
Interior vapour barrier with exterior XPS 21 2 weeks 2 days ago
by Steve Babcock
1 week 5 days ago
by Steve Babcock
Is external polyiso worth the cost? 12 4 years 22 weeks ago
by Kurt Samson
2 weeks 13 hours ago
by Charlie Sullivan
Sealing gap between garage floor & drywall? 4 4 weeks 1 day ago
by Robert Hallenbeck
2 weeks 1 day ago
by Robert Hallenbeck
Breaking thermal bridge between concrete porch and brick wall? 12 3 weeks 2 days ago
by Paul Gorcey
2 weeks 4 days ago
by Richard Beyer
How do you insulate cob or earth bag walls in the Northeast? 20 3 weeks 1 day ago
by Aaron B
2 weeks 4 days ago
by Malcolm Taylor
Finishing concrete floor (slab on grade) 4 2 weeks 6 days ago
by Brian Post
2 weeks 6 days ago
by Malcolm Taylor
Flash and Batt in Reverse - Modular 6 3 weeks 2 days ago
by Chris Parker
3 weeks 2 days ago
by Richard Beyer
Thinking of going solar 4 4 weeks 2 days ago
by Ron Davis
3 weeks 6 days ago
by Dana Dorsett
Help with basement design 5 4 weeks 1 day ago
by leonid grossman
3 weeks 6 days ago
by Dana Dorsett
The joys of insulating... 3 4 weeks 2 days ago
by Lucas Durand - 7A
4 weeks 1 day ago
by Lucas Durand - 7A
Woodpeckers, Stucco + Exterior Foam with Rainscreen 2 4 weeks 1 day ago
by Brett Sichello
4 weeks 1 day ago
by Debra Glauz
Most cost-effective method for achieving 3 ACH 50? 9 4 weeks 4 days ago
by Nick Sisler
4 weeks 3 days ago
by Terry Lee
Better choice of exterior wall construction for new home? 7 4 weeks 5 days ago
by Silas Hoeppner
4 weeks 4 days ago
by Dana Dorsett
Effectiveness of Roxul "flash and batt" - irregular closed-cell spray foam causing air gaps? 5 4 weeks 5 days ago
by Chuck Swanberg
4 weeks 4 days ago
by Martin Holladay, GBA Advisor
Air sealing question: Assistance requested for 6th side of building envelope 5 5 weeks 9 hours ago
by Howard Lederman
4 weeks 4 days ago
by Martin Holladay, GBA Advisor
Inset 2x6 sill plate 4 5 weeks 17 hours ago
by Craig Harper
5 weeks 12 hours ago
by Lucas Durand - 7A
Rigid foam to catch drips from metal roof without decking 7 5 weeks 6 days ago
by Jeff Cooper
5 weeks 3 days ago
by Lucas Durand - 7A
How much rock under foam/slab in below grade basement? 1 5 weeks 4 days ago
by Silas Hoeppner
5 weeks 3 days ago
by Martin Holladay, GBA Advisor
Wood furring attachment to CMU 3 5 weeks 5 days ago
by Joshua Lloyd
5 weeks 4 days ago
by Martin Holladay, GBA Advisor
What's best method of converting a "semi-vented" crawl space with a rat slab w/no vapor barrier into an unvented crawl space? 1 5 weeks 5 days ago
by Stephen Mager
5 weeks 4 days ago
by Martin Holladay, GBA Advisor
Rainscreen siding with a very large gap 12 12 weeks 1 day ago
by Kevin Hardy
5 weeks 5 days ago
by Malcolm Taylor
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