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