Building Code Questions

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How do you calculate the net free area of an attic vent? 2 4 days 16 hours ago
by George Sherry
2 days 19 hours ago
by Bill Rose
Dryer ducting — materials requirements 5 1 week 2 days ago
by Joe G
1 week 1 day ago
by Jesse Smith
Would Tyvek on top of rafters and under roof sheeeting meet R806.4 for non-vented attics? 4 1 week 2 days ago
by Elmo Saunders
1 week 2 days ago
by Elmo Saunders
Zone 4B - 2012 IBC and SHGC 5 2 weeks 4 days ago
by Peter L
2 weeks 3 days ago
by Terry Lee
Vapor retarders for double stud cellulose-filled wall assemblies 4 7 weeks 6 days ago
by Michael Roland
7 weeks 5 days ago
by Dana Dorsett
Combustion air requirements 1 8 weeks 6 days ago
by Jim Johnston
8 weeks 5 days ago
by Martin Holladay, GBA Advisor
Can you run the gas line against the flue pipe on a heater? 4 10 weeks 6 hours ago
by MARK ALATORRE
9 weeks 6 days ago
by aj builder, Upstate NY Zone 6a
In an unsinsulated service cavity (created by running horizontal 2x lumber) is fire blocking required? Or is it a good idea? 3 11 weeks 2 days ago
by Rick Van Handel
11 weeks 1 day ago
by Martin Holladay, GBA Advisor
Insulating between studs with polyiso scrap? 19 3 years 39 weeks ago
by Scott Heeschen
12 weeks 3 days ago
by Andy Chappell-Dick
HVAC HRV sized correctly for my home? 4 12 weeks 5 days ago
by Sam Miller
12 weeks 4 days ago
by Martin Holladay, GBA Advisor
Cedar poles for verandas 2 13 weeks 1 day ago
by Pete Davies
13 weeks 1 day ago
by Malcolm Taylor
Spray foam ignition barrier 4 16 weeks 18 hours ago
by Jerry Liebler
16 weeks 10 hours ago
by Dana Dorsett
Sheathing under metal roof 12 17 weeks 6 days ago
by Philip Taylor
16 weeks 3 days ago
by flitch plate
Living space 3 17 weeks 5 days ago
by Rocco Locaso
17 weeks 2 days ago
by Rocco Locaso
Is sheathing required behind clapboard exterior wall? 5 23 weeks 5 days ago
by Joe Tichenor
22 weeks 5 days ago
by Joe Tichenor
Who has a green/high-performance building innovation that successfully pushed the permitting envelope? I want to study it! 0 23 weeks 15 hours ago
by Chris van Daalen
n/a
New construction sealed crawlspace R-value and air exchange question 1 25 weeks 2 days ago
by C Smith
25 weeks 1 day ago
by Martin Holladay, GBA Advisor
Are code-breaking BPI builders causing trouble for unvented roofs? 24 3 years 21 weeks ago
by Andrew Levitt
25 weeks 2 days ago
by Michelle Paninopoulos
My foundation contractor didn't install any anchor bolts in the slab for my new house 5 27 weeks 3 days ago
by Mark Breitenfeld
27 weeks 2 days ago
by aj builder, Upstate NY Zone 6a
Flat roof, non vented — What about furred space for slope? 1 28 weeks 5 days ago
by keith messick
28 weeks 5 days ago
by Martin Holladay, GBA Advisor
Do 5/32" and 3/16" suffice as window panes? 7 29 weeks 4 days ago
by human being
29 weeks 3 days ago
by Malcolm Taylor
What is the minimum width of residential steps? 4 32 weeks 5 days ago
by John H. Stehman
32 weeks 5 days ago
by Dan Kolbert
Can you place Hard-plank over T-1-11? 1 33 weeks 4 days ago
by ray hemming
33 weeks 3 days ago
by Martin Holladay, GBA Advisor
Confused about vapor barrier with outsulation 1 33 weeks 5 days ago
by Paul Krsiak
33 weeks 4 days ago
by Martin Holladay, GBA Advisor
where to start 4 35 weeks 2 days ago
by Jeff Sasseville
34 weeks 6 days ago
by Jeff Sasseville
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