Building Code Questions

TopicRepliesCreatedLast replysort icon
IRC 316.4 - Code interpretation on the use of rigid foam as air barrier on backside of attic knee wall 5 6 days 20 hours ago
by Rick Van Handel
4 days 9 hours ago
by Richard Beyer
Basement ceiling insulation required by code — but what about the basement door and stairwell? 4 1 week 1 day ago
by Dwight Harris
1 week 23 hours ago
by Martin Holladay, GBA Advisor
Is it OK to use Tapcon anchors to fasten the wood plate to the concrete block? 1 2 weeks 2 days ago
by Herb Mathis
2 weeks 2 days ago
by Martin Holladay, GBA Advisor
Expanded polystyrene and water-resistive barriers 3 3 weeks 18 hours ago
by Daniel Nealon
3 weeks 10 hours ago
by Daniel Nealon
How do you calculate the net free area of an attic vent? 2 3 weeks 5 days ago
by George Sherry
3 weeks 3 days ago
by Bill Rose
Dryer ducting — materials requirements 5 4 weeks 3 days ago
by Joe G
4 weeks 3 days ago
by Jesse Smith
Would Tyvek on top of rafters and under roof sheeeting meet R806.4 for non-vented attics? 4 4 weeks 3 days ago
by Elmo Saunders
4 weeks 3 days ago
by Elmo Saunders
Zone 4B - 2012 IBC and SHGC 5 5 weeks 5 days ago
by Peter L
5 weeks 4 days ago
by Terry Lee
Vapor retarders for double stud cellulose-filled wall assemblies 4 11 weeks 18 hours ago
by Michael Roland
10 weeks 6 days ago
by Dana Dorsett
Combustion air requirements 1 12 weeks 5 hours ago
by Jim Johnston
12 weeks 1 hour ago
by Martin Holladay, GBA Advisor
Can you run the gas line against the flue pipe on a heater? 4 13 weeks 1 day ago
by MARK ALATORRE
13 weeks 21 hours 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 14 weeks 4 days ago
by Rick Van Handel
14 weeks 3 days ago
by Martin Holladay, GBA Advisor
Insulating between studs with polyiso scrap? 19 3 years 42 weeks ago
by Scott Heeschen
15 weeks 4 days ago
by Andy Chappell-Dick
HVAC HRV sized correctly for my home? 4 16 weeks 1 hour ago
by Sam Miller
15 weeks 6 days ago
by Martin Holladay, GBA Advisor
Cedar poles for verandas 2 16 weeks 3 days ago
by Pete Davies
16 weeks 2 days ago
by Malcolm Taylor
Spray foam ignition barrier 4 19 weeks 1 day ago
by Jerry Liebler
19 weeks 1 day ago
by Dana Dorsett
Sheathing under metal roof 12 21 weeks 22 hours ago
by Philip Taylor
19 weeks 4 days ago
by flitch plate
Living space 3 20 weeks 6 days ago
by Rocco Locaso
20 weeks 3 days ago
by Rocco Locaso
Is sheathing required behind clapboard exterior wall? 5 26 weeks 6 days ago
by Joe Tichenor
25 weeks 6 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 26 weeks 1 day ago
by Chris van Daalen
n/a
New construction sealed crawlspace R-value and air exchange question 1 28 weeks 3 days ago
by C Smith
28 weeks 3 days ago
by Martin Holladay, GBA Advisor
Are code-breaking BPI builders causing trouble for unvented roofs? 24 3 years 24 weeks ago
by Andrew Levitt
28 weeks 3 days ago
by Michelle Paninopoulos
My foundation contractor didn't install any anchor bolts in the slab for my new house 5 30 weeks 4 days ago
by Mark Breitenfeld
30 weeks 3 days ago
by aj builder, Upstate NY Zone 6a
Flat roof, non vented — What about furred space for slope? 1 31 weeks 6 days ago
by keith messick
31 weeks 6 days ago
by Martin Holladay, GBA Advisor
Do 5/32" and 3/16" suffice as window panes? 7 32 weeks 5 days ago
by human being
32 weeks 4 days ago
by Malcolm Taylor
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