GBA Pro help

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Hot water re-circ line & vertical head loss 9 1 day 12 hours ago
by Joe G
18 hours 53 min ago
by Joe G
Window & door header insulation options - Zone 5 2 2 days 23 hours ago
by Jeff Conners
2 days 15 hours ago
by Jeff Conners
I am using Roxul insulation for ceiling and walls in a post-and-beam barn home 40 6 days 19 hours ago
by David Hauber
4 days 18 hours ago
by Malcolm Taylor
What is the best detail at a slab on grade pour through to insulate the slab? 11 1 week 1 day ago
by David A Flannery
1 week 1 day ago
by Malcolm Taylor
Tyroc subfloor 2 1 week 4 days ago
by Brad D
1 week 2 days ago
by Brad D
How do I fix the high air exchange in my straw-bale home? 3 1 week 6 days ago
by Eddy Wilbers
1 week 4 days ago
by aj builder, Upstate NY Zone 6a
Fresh air intake filters 1 1 week 5 days ago
by Venkat Y
1 week 4 days ago
by Richard Beyer
Looking for guidance on how to downsize in a green way 2 1 week 6 days ago
by Jen Yost
1 week 5 days ago
by stephen sheehy
Insulation question for new house build 12 2 weeks 6 days ago
by Jeff Conners
2 weeks 3 days ago
by Dana Dorsett
Low/No-VOC PVA glue and Caulk 7 7 weeks 11 hours ago
by Mindy Munger
2 weeks 4 days ago
by Tekaye Gujral
Improved air sealing brings other challenges 2 3 weeks 16 hours ago
by Bruce Chyka
2 weeks 6 days ago
by Terry Lee
Best location for fresh air intake for ERV/HRV 14 3 weeks 2 days ago
by Venkat Y
3 weeks 5 min ago
by Venkat Y
What is a capillary break between the footing and foundation wall? 12 5 years 14 weeks ago
by Arthur Ratner, AIA
3 weeks 1 day ago
by e c
Do fans help to dry objects when dehumidifier is running? 4 3 weeks 5 days ago
by David McNeely
3 weeks 2 days ago
by Dana Dorsett
Humidity being trapped between an inside vapor barrier and OSB? 8 3 weeks 3 days ago
by Pierre Gingras
3 weeks 3 days ago
by Malcolm Taylor
Measuring moisture coming thru basement slab 6 4 weeks 20 hours ago
by Venkat Y
3 weeks 6 days ago
by Dana Dorsett
Return grilles on wall vs. ceiling 7 4 weeks 3 days ago
by Venkat Y
4 weeks 3 days ago
by Venkat Y
How do we remove our freestanding ventless gas log fireplace? 1 4 weeks 3 days ago
by Pamela Davidson
4 weeks 3 days ago
by Martin Holladay, GBA Advisor
Are there HRVs that can be installed in unconditioned space? 1 4 weeks 3 days ago
by Venkat Y
4 weeks 3 days ago
by Martin Holladay, GBA Advisor
Practical insulation and air-sealing techniques needed for a (sort-of) enclosed crawl space 6 4 weeks 4 days ago
by Ben Rush
4 weeks 3 days ago
by Martin Holladay, GBA Advisor
Air and thermal barrier continuity in ceiling over garage 5 5 weeks 3 days ago
by leo kloop
5 weeks 2 days ago
by leo kloop
Off-grid house needs... gasp!...air!...gasp! 17 6 weeks 2 hours ago
by keith ahlstrom
5 weeks 3 days ago
by leo kloop
Recommendation for window flashing tape? 3 6 weeks 14 hours ago
by Matthew Michaud
6 weeks 7 hours ago
by Martin Holladay, GBA Advisor
For a large scissor truss (top chord 31" above bottom chord), we want around R-70 but no more 5 6 weeks 2 days ago
by David A Flannery
6 weeks 2 days ago
by David Meiland
Is a partial unvented roof retrofit a bad idea? 2 8 weeks 2 days ago
by Joe Sweeney
8 weeks 2 days ago
by Joe Sweeney
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