Building Code Questions- Page 57 of 68
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What is a cost effective way to meet the San Francisco Article 38 ventilation requirements for high-traffic areas?
Article 38 requires you to filter incoming air to residential units close to the highway and high traffic areas with MERV 13 filtration. That said, the building has electric heat…
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IECC 2012 leakage test versus the ASHRAE MVR limit
Comparing the two equations is confusing. If you compare the IECC 2012 requirement for 3ACH50 in zone 4 with the MVR equation for a 2000 sq ft home with 8…
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Is there a building code on deck board spacing?
I have a flat roof and my contractor built a cedar board floating deck. the area is 16'x20' range and he made into 4 section, 16'x5' each. the boards are…
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Crawlspace foam board and fire code?
When installing rigid foam in an unfinished crawlspace, what is needed to have it comply with the fire code? Foam board to be installed on inside of foundation wall and…
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Snow load on PV panels
Where I'm planning on building the code requires design for 75 PSF snow load. The best rating for load that I've found in PV panels is 40 PSF. In the…
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(Composting) Toilet in Floodplain?
Does anyone know if a toilet can be installed in New York City on land located in a floodplain (designated Zone A by FEMA)? What about a composting toilet? Please…
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What US jurisdiction first published insulation value tables – for new homes – in a building code?
I am researching energy efficiency objectives in codes and regulations, in Canada and the US. The first Canadian residential insulation value tables appeared in the (provincial) 1975 Ontario Building Code.…
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Fire Barrier
I am installing rigid foam and am considering fire barriers. Based on this chart, it appears the following are currently accepted fire barriers in occupied space: http://www.foam-tech.com/theory/firebarriers.htm Wood Panel /…
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Sealing PEX and PVC pipe penetrations
I am reposting this to the Code section; not getting an answer in General Questions. What do I use to meet code-required fire blocking and good weatherizing/air sealing for the…
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How close together can radon and plumbing vents be?
In new construction, I am sending my radon and sanitary vents up to the roof side by side in the same chase. Is there a code requirement that their outlets…