Green building techniques

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Too many vapor barriers with a cold (unvented) roof retrofit? 3 2 years 17 weeks ago
by semi pro
2 years 17 weeks ago
by Martin Holladay, GBA Advisor
Can I make interior thermal shutters for my windows? 7 2 years 20 weeks ago
by PETER SCHWARTZ
2 years 17 weeks ago
by semi pro
Double-stud wall construction filled with Roxul 4 2 years 17 weeks ago
by David Matero
2 years 17 weeks ago
by Martin Holladay, GBA Advisor
Air barrier material and location 9 2 years 22 weeks ago
by Shane Fairman
2 years 18 weeks ago
by floris keverling buisman
How long does it take to dig by hand a 1m deep, 20cm wide trench in clay 1 2 years 18 weeks ago
by David Coote
2 years 18 weeks ago
by Martin Holladay, GBA Advisor
Detachable shed 4 2 years 18 weeks ago
by David Coote
2 years 18 weeks ago
by David Coote
Can I use spray foam insulation on attic trusses on an ICF home? 2 2 years 18 weeks ago
by Jim McKay
2 years 18 weeks ago
by Mike Collignon
How to insulate unvented attic with foil faced rigid foam in 6 inch bays? 1 2 years 18 weeks ago
by andrew shu
2 years 18 weeks ago
by Martin Holladay, GBA Advisor
Should I use two layers of 1 inch or one layer of 2 inch rigid foam board on the exterior? 3 2 years 18 weeks ago
by Brad Dorken
2 years 18 weeks ago
by Brad Dorken
Housewrap 8 2 years 19 weeks ago
by dale nettleton
2 years 19 weeks ago
by Ron Keagle
How much blown-in cellulose can you put on top of a 5/8" drywall ceiling? 1 2 years 19 weeks ago
by larry ogden
2 years 19 weeks ago
by Martin Holladay, GBA Advisor
Is there a detail drawing on how to install cast natural stones over 2 layers of 1 inch rigid foam with 1x4 vert. fur strips? 1 2 years 19 weeks ago
by richard friend
2 years 19 weeks ago
by Martin Holladay, GBA Advisor
How to build a wood floor over a new slab 1 2 years 19 weeks ago
by Michael Rosenthal
2 years 19 weeks ago
by Martin Holladay, GBA Advisor
AECB Website and Point Thermal Bridges 38 5 years 24 weeks ago
by John Brooks
2 years 20 weeks ago
by Dustin Harris
Is there an alternative to the under-slab rigid insulation system in passive house design? 14 2 years 21 weeks ago
by Janet Digby
2 years 20 weeks ago
by Janet Digby
Foam sandwich concerns 13 2 years 21 weeks ago
by Kent Jeffery
2 years 20 weeks ago
by Dana Dorsett
Do you still tape/seal exterior sheathing with ADA? 1 2 years 21 weeks ago
by Jack G.
2 years 21 weeks ago
by Martin Holladay, GBA Advisor
Ducting in slabs & passive solar 52 4 years 36 weeks ago
by Anonymous
2 years 21 weeks ago
by Martin Holladay, GBA Advisor
Conditoning a crawl space: process and materials 4 2 years 21 weeks ago
by william phillips
2 years 21 weeks ago
by william phillips
Is a WRB necessary with a rainscreen? 18 2 years 22 weeks ago
by Richard Baumgarten
2 years 21 weeks ago
by Richard Baumgarten
Are there any issues with Spray-foam next to Batt insulated walls? 2 2 years 21 weeks ago
by Martin Brown
2 years 21 weeks ago
by Martin Brown
What is preferred, rainscreen or rigid foam insulation? 4 2 years 22 weeks ago
by Robert Sanders Jr
2 years 22 weeks ago
by Lucas Durand - 7A
How can I best install rigid foam as I finish my attic? 5 2 years 23 weeks ago
by J Stair
2 years 23 weeks ago
by Martin Holladay, GBA Advisor
What are the pros and cons of pouring concrete in an existing crawl space, and how thick should it be? 3 2 years 23 weeks ago
by Moya Mim
2 years 23 weeks ago
by David Meiland
What are the negative aspects of using Tyvek on a double wall system instead of plywood sheathing? 5 2 years 24 weeks ago
by Karen Bala
2 years 23 weeks ago
by Jerry Liebler
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