Building Code Questions
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Intumescent application for solid wood columns
Hello,We are trying to find a 2 hour fire protective rating for 14" diameter installed wooden columns, and were wondering if an approved intumescent application is available on the market.Regards,Luke…
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Insulating and vapor barrier installation before drywall in a basement
I would like to know the install method if one wanted to both insulatate and apply moisture barrier to basement drywall, before hanging the drywall sheets? Also, is there specific…
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Latex paint as class III vapor retarder
Hi - My building inspector is questioning my intention to use latex paint as my class 3 vapor retarder in the following zone 5 assembly - vinyl siding, zip sheathing,…
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Tongue and groove siding fasteners
Hey folks, I've got a project that is using 1x6 T&G thermally modified, class A rated hemlock wood siding. I am on the 2021 IRC and the siding is going…
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Air infiltration for Windows and compliance with IECC 2018 for European windows
Many deparments of permitting are now requiring compliance with IECC 2018. According to the 2018 International Energy Conservation Code (IECC), the air infiltration requirement for windows is a maximum of…
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Should I use rigid foam plus fiberglass insulation for a finished basement? (re: PA UCC/”2018 I Code series”)
My local township follows PA UCC codes which in turn follows "2018 I Code series".If I understand correctly, that requires basement walls to have R15/R19.I was planning to use 1"…
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Flat roof to house connection
Hello! Currently building a house with a flat roof off the back. I have 12" TJI joists inside and am dropping to 9.5" at the flat roof deck area (living…
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When does a p-trap become an s-trap?
Hello, I would like to fix two problems with my sink drain: 1) increase the drain speed, and 2) reduce noise. In the figure, I show the current configiration and it…
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Stone Veneer, Exterior Insulation and the 2021 IRC
I am in final planning of a new home build in zone 8 (8800 ft elevation). Flat building site, slab on grade construction. The local HOA has a design requirement that…
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Is a screened-in porch an enclosed porch?
I have always known screened-in porches to be an enclosed porch. However, I have recently had a disagreement with a Building Official about this and quite frankly have had no…