Building Code Questions- Page 41 of 68
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Treated or untreated top plate?
Which provides the best attachment for a top plate for a concrete core (ICF) wall? A foam sill gasket will be used between the raw concrete and the wood top…
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Does anyone know of an approved 1 hour fire rated assembly for fascia and soffit? (ICF with SIP Roof)
I am constructing an ICF house with a SIP roof which will overhang the walls. On the east side of the house (Gable side), I am within 3 feet of…
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Question about adding an outlet in front of foam board insulation
I have a Brick home. My wall consists of brick then 1x4 frame laying the flat way with 1" foam board in between. Then the entire wall covered in 1"…
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Finishing a basement room below grade in Climate Zone 5
Hello, I have a questions regarding finishing below grade walls in zone 5. We have been researching the correct steps to finishing these walls but seem to get different answers…
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What is the N.C. code requirement for R-value for roof and exterior walls? How many inches of closed-cell foam is it?
What would be recommended for the R-value and inches of closed-cell foam below living space and unheated garage space ?
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Return air location and height
I have a vintage 1985 tract home in San Diego County, Climate Zone 3B. I am planning for a kitchen remodel, drawing plans for a permit. The return air is…
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Residential frost-protected shallow foundation in central Mass.
We are planning to provide a monolithic pour frost-protected shallow foundation (FPSF) for a single story 1300 sq ft 2 bedroom home in central MA. Air Freezing Index is 2000.…
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Venting bathroom through a flat roof
I am interested in learning if there is guidance or code that would cover venting a bath fan straight up through a flat roof. Our state's Weatherization Field Guide indicates…
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Venting a combined basement bathroom / laundry room into existing 4″ vent / drain stack
I've had a few quotes for installing a new 4 piece combined basement bathroom / laundry room (dryer, shower sink toilet) as apart of getting our basement finished. Currently the…
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Closed-cell spray foam insulation under a sunporch
We installed 2 inches of spray foam closed cell insulation on the underside of a sun porch which is open on a sides underneath. My husband wants to store his…