Building Code Questions

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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 6 days 20 hours ago
by daniel mckay
6 days 13 hours ago
by Martin Holladay, GBA Advisor
Return air location and height 5 2 weeks 3 days ago
by Tim Rudolph
2 weeks 1 day ago
by Tim Rudolph
Residential frost-protected shallow foundation in central Mass. 11 3 weeks 1 day ago
by Kenneth Gartner
2 weeks 6 days ago
by Jon R
Venting bathroom through a flat roof 1 4 weeks 3 days ago
by Matthew Stewart
4 weeks 3 days ago
by Martin Holladay, GBA Advisor
Venting a combined basement bathroom / laundry room into existing 4" vent / drain stack 3 5 weeks 4 days ago
by Mike Tew
5 weeks 3 days ago
by michael maines
What fireblocking is required in double stud walls filled with dense pack cellulose? 9 4 years 16 weeks ago
by Jerry Liebler
6 weeks 3 days ago
by Malcolm Taylor
Closed-cell spray foam insulation under a sunporch 2 8 weeks 3 days ago
by Denise Phelps
8 weeks 3 days ago
by Martin Holladay, GBA Advisor
Notched I-joist fix 3 13 weeks 3 days ago
by Kara English
13 weeks 3 days ago
by Martin Holladay, GBA Advisor
Poly and Canadian building codes 11 24 weeks 4 days ago
by Malcolm Taylor
13 weeks 3 days ago
by Alec Shalinsky
Slab insulation - do I understand the code requirements? 9 14 weeks 13 hours ago
by Tony Tibbar
14 weeks 3 hours ago
by Tony Tibbar
Do basement stairs have to be enclosed? 2 19 weeks 5 days ago
by Clay Whitenack
19 weeks 5 days ago
by Clay Whitenack
Townhouse common wall upgrades 1 20 weeks 2 days ago
by Carl Fosler
20 weeks 2 days ago
by Martin Holladay, GBA Advisor
Continuous insulation under slab 5 20 weeks 5 days ago
by Adam Smerchanski
20 weeks 4 days ago
by Malcolm Taylor
Is there a code requirement for residential boiler piping insulation? 1 21 weeks 7 hours ago
by Brantley Gent
20 weeks 6 days ago
by Martin Holladay, GBA Advisor
Ridge Vents - see light? 6 22 weeks 1 day ago
by Carolyn Farrow
21 weeks 6 days ago
by Malcolm Taylor
Addition cement foundation below grade, patio pour? 12 26 weeks 6 days ago
by Ryan Lambert
24 weeks 13 hours ago
by Brian Larsen
Vapour barrier for above-grade walls and ceiling in Canada? 8 25 weeks 4 days ago
by Reginald Chin
25 weeks 4 days ago
by Martin Holladay, GBA Advisor
Basement insulation...pull the XPS? 8 26 weeks 1 day ago
by Will Golden
26 weeks 1 day ago
by Will Golden
Certification for re-purposed polyiso. Manufacturer is unkown 2 26 weeks 2 days ago
by frost patrick
26 weeks 1 day ago
by Martin Holladay, GBA Advisor
Advice for insulating a new build unfinished basement? 8 26 weeks 4 days ago
by Reginald Chin
26 weeks 2 days ago
by D Dorsett
I have a question about insulating the attic space in an addition 1 27 weeks 4 days ago
by bruce sukennik
27 weeks 4 days ago
by Martin Holladay, GBA Advisor
Sub-slab insulation under a bearing wall? 3 27 weeks 4 days ago
by JONATHAN SCHOLL
27 weeks 4 days ago
by Martin Holladay, GBA Advisor
I am constructing a 12 x 14 addition with a crawl space 1 28 weeks 3 days ago
by james gilreath
28 weeks 3 days ago
by Malcolm Taylor
Tiny house exterior foam sheathing and insulation question 4 28 weeks 6 days ago
by Westin Tromburg
28 weeks 5 days ago
by Stuart Friedberg
EPS under footing 4 29 weeks 5 days ago
by Steve Babcock
29 weeks 4 days ago
by Dana Dorsett
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