Building Code Questions

TopicRepliesCreatedLast replysort icon
Need 2 foot square of vapor barrier 7 3 days 3 hours ago
by Jeremy M
2 days 20 hours ago
by Charlie Sullivan
Are polyisocyanurate materials considered vapor barriers and to be avoided for insulating basements? 1 1 week 22 hours ago
by Andrea Zimpelmann
1 week 21 hours ago
by Andy Chappell-Dick
Continuous back-up? 2 1 week 4 days ago
by Marc Delisle
1 week 3 days ago
by Marc Delisle
Fan efficacy and ERVs 1 1 week 5 days ago
by kevin mick
1 week 5 days ago
by Martin Holladay, GBA Advisor
How to insulate basement interior (with 2" XPS on the exterior)? 8 2 weeks 5 days ago
by George M
2 weeks 4 days ago
by George M
Flame Spread rated spray foam? 1 7 weeks 3 days ago
by Michael Chandler, GBA Advisor
7 weeks 3 days ago
by Steve Knapp CZ 3A Georgia
Difficult building inspector 4 8 weeks 6 days ago
by Brian W
8 weeks 6 days ago
by Martin Holladay, GBA Advisor
Insulation on exterior and interior 13 9 weeks 6 days ago
by Nick Collins
9 weeks 3 hours ago
by Nick Collins
Treated or untreated top plate? 7 10 weeks 5 days ago
by Peter L
10 weeks 3 days ago
by Charlie Sullivan
Does anyone know of an approved 1 hour fire rated assembly for fascia and soffit? (ICF with SIP Roof) 4 11 weeks 4 days ago
by Jordan Schiele
11 weeks 3 days ago
by Tim Rudolph
Question about adding an outlet in front of foam board insulation 8 14 weeks 1 day ago
by Tyler klingbiel
14 weeks 19 hours ago
by Malcolm Taylor
Finishing a basement room below grade in Climate Zone 5 3 15 weeks 6 days ago
by Christen Ward
15 weeks 4 days ago
by Christen Ward
What is the N.C. code requirement for R-value for roof and exterior walls? How many inches of closed-cell foam is it? 1 18 weeks 1 day ago
by daniel mckay
18 weeks 1 day ago
by Martin Holladay, GBA Advisor
Return air location and height 5 19 weeks 4 days ago
by Tim Rudolph
19 weeks 2 days ago
by Tim Rudolph
Residential frost-protected shallow foundation in central Mass. 11 20 weeks 3 days ago
by Kenneth Gartner
20 weeks 1 day ago
by Jon R
Venting bathroom through a flat roof 1 21 weeks 5 days ago
by Matthew Stewart
21 weeks 5 days ago
by Martin Holladay, GBA Advisor
Venting a combined basement bathroom / laundry room into existing 4" vent / drain stack 3 22 weeks 6 days ago
by Mike Tew
22 weeks 5 days ago
by michael maines
What fireblocking is required in double stud walls filled with dense pack cellulose? 9 4 years 34 weeks ago
by Jerry Liebler
23 weeks 5 days ago
by Malcolm Taylor
Closed-cell spray foam insulation under a sunporch 2 25 weeks 5 days ago
by Denise Phelps
25 weeks 5 days ago
by Martin Holladay, GBA Advisor
Notched I-joist fix 3 30 weeks 5 days ago
by Kara English
30 weeks 4 days ago
by Martin Holladay, GBA Advisor
Poly and Canadian building codes 11 41 weeks 6 days ago
by Malcolm Taylor
30 weeks 4 days ago
by Alec Shalinsky
Slab insulation - do I understand the code requirements? 9 31 weeks 2 days ago
by Tony Tibbar
31 weeks 1 day ago
by Tony Tibbar
Do basement stairs have to be enclosed? 2 37 weeks 5 hours ago
by Clay Whitenack
37 weeks 4 hours ago
by Clay Whitenack
Townhouse common wall upgrades 1 37 weeks 4 days ago
by Carl Fosler
37 weeks 4 days ago
by Martin Holladay, GBA Advisor
Continuous insulation under slab 5 38 weeks 2 hours ago
by Adam Smerchanski
37 weeks 6 days ago
by Malcolm Taylor
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