Building Code Questions- Page 68 of 68
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Is bubble wrap duct insulation Energy Star approved, and is it a good idea?
I spoke with a HVAC installer who said he wanted to insulate my ducts with double-wrapped bubble wrap as a cheaper way to achieve R6. Does this stuff really work…
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Graywater system questions
I would like to build a small cottage with a composting toilet and a graywater system for the sinks and shower. I need plans and a contractor perhaps. Any advice…
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A statement from Icynene
Those following the spirited discussion that followed the posting of "It's OK To Skimp On Insulation" may be interested to learn that a senior representative from Icynene has posted a…
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Green Permits
I learned today that a couple of builders I work with "volunteered" me to meet with one of our local Codes Departments next week to explain, and possibly help develop…
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Where in the IRC 2009, Chapter 11, is the cathedral ceiling limited to 500 square feet or 20%?
I can find no reference to 20%. This requirement is, I read it, for ceilings that can't meet the specified thermal resistance and are allowed to downgrade. Obviously this limit…
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What is the code-required lap joint overlap needed on a 2/12 roof?
I HAVE A 2/12 (permitted) LEAN-TO STYLE ROOF IN TAMPA, FL. JOISTS ARE 16 O.C. THEN PLYWOOD AND CLIPS, THEN 30 WEIGHT FELT PAPER WITH THE STANDARD 3 INCH LAP…
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Visual vs testing for air leakage in IRC ’09
Hello- I am cruising through my (newly fatter) copy of IRC '09, reviewing the upcoming changes, and this one caught my eye; in Energy Efficiency, Chapter 11 N1102.4.2.1 and N1102.4.2.2.…