Building Code Questions

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Plumbing vents exiting ridge cap 9 1 day 19 hours ago
by RMills Miller
15 hours 2 min ago
by leo kloop
Retrofit an existing exterior wall to 1-hour rating 3 3 days 18 hours ago
by Robert Saladoff
3 days 9 hours ago
by Malcolm Taylor
Rim joist thermal barrier 1 3 weeks 5 days ago
by Michael Lee
3 weeks 5 days ago
by Martin Holladay, GBA Advisor
IRC 316.4 - Code interpretation on the use of rigid foam as air barrier on backside of attic knee wall 5 5 weeks 1 day ago
by Rick Van Handel
4 weeks 6 days ago
by Richard Beyer
Basement ceiling insulation required by code — but what about the basement door and stairwell? 4 5 weeks 3 days ago
by Dwight Harris
5 weeks 3 days ago
by Martin Holladay, GBA Advisor
Is it OK to use Tapcon anchors to fasten the wood plate to the concrete block? 1 6 weeks 4 days ago
by Herb Mathis
6 weeks 4 days ago
by Martin Holladay, GBA Advisor
Expanded polystyrene and water-resistive barriers 3 7 weeks 2 days ago
by Daniel Nealon
7 weeks 2 days ago
by Daniel Nealon
How do you calculate the net free area of an attic vent? 2 8 weeks 21 hours ago
by George Sherry
7 weeks 5 days ago
by Bill Rose
Dryer ducting — materials requirements 5 8 weeks 5 days ago
by Joe G
8 weeks 5 days ago
by Jesse Smith
Would Tyvek on top of rafters and under roof sheeeting meet R806.4 for non-vented attics? 4 8 weeks 5 days ago
by Elmo Saunders
8 weeks 5 days ago
by Elmo Saunders
Zone 4B - 2012 IBC and SHGC 5 10 weeks 18 hours ago
by Peter L
9 weeks 6 days ago
by Terry Lee
Vapor retarders for double stud cellulose-filled wall assemblies 4 15 weeks 2 days ago
by Michael Roland
15 weeks 1 day ago
by Dana Dorsett
Combustion air requirements 1 16 weeks 2 days ago
by Jim Johnston
16 weeks 2 days ago
by Martin Holladay, GBA Advisor
Can you run the gas line against the flue pipe on a heater? 4 17 weeks 3 days ago
by MARK ALATORRE
17 weeks 2 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 18 weeks 6 days ago
by Rick Van Handel
18 weeks 5 days ago
by Martin Holladay, GBA Advisor
Insulating between studs with polyiso scrap? 19 3 years 46 weeks ago
by Scott Heeschen
19 weeks 6 days ago
by Andy Chappell-Dick
HVAC HRV sized correctly for my home? 4 20 weeks 2 days ago
by Sam Miller
20 weeks 1 day ago
by Martin Holladay, GBA Advisor
Cedar poles for verandas 2 20 weeks 5 days ago
by Pete Davies
20 weeks 4 days ago
by Malcolm Taylor
Spray foam ignition barrier 4 23 weeks 3 days ago
by Jerry Liebler
23 weeks 3 days ago
by Dana Dorsett
Sheathing under metal roof 12 25 weeks 2 days ago
by Philip Taylor
23 weeks 6 days ago
by flitch plate
Living space 3 25 weeks 1 day ago
by Rocco Locaso
24 weeks 5 days ago
by Rocco Locaso
Is sheathing required behind clapboard exterior wall? 5 31 weeks 1 day ago
by Joe Tichenor
30 weeks 1 day ago
by Joe Tichenor
Who has a green/high-performance building innovation that successfully pushed the permitting envelope? I want to study it! 0 30 weeks 3 days ago
by Chris van Daalen
n/a
New construction sealed crawlspace R-value and air exchange question 1 32 weeks 5 days ago
by C Smith
32 weeks 5 days ago
by Martin Holladay, GBA Advisor
Are code-breaking BPI builders causing trouble for unvented roofs? 24 3 years 29 weeks ago
by Andrew Levitt
32 weeks 5 days ago
by Michelle Paninopoulos
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