foambook http://www.foambook.com the resource for the spray foam community Tue, 08 May 2012 20:41:01 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 Spray Foam and 2009 IRC codes? Your interpretation? http://www.foambook.com/qa/2012/05/08/spray-foam-and-2009-irc-codes-your-interpretation/ http://www.foambook.com/qa/2012/05/08/spray-foam-and-2009-irc-codes-your-interpretation/#comments Tue, 08 May 2012 20:41:01 +0000 sean http://8.354

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We are looking at spray foam and whether we will be able to use it without an ignition barrier in crawlspaces or attics. The initial opinion is not unless it meets ASTM E 84 with less than 25 flame spread and 450 smoke density. Meaning, only fire retardent foams will be permitted unless you want [...]

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We are looking at spray foam and whether we will be able to use it without an ignition barrier in crawlspaces or attics. The initial opinion is not unless it meets ASTM E 84 with less than 25 flame spread and 450 smoke density. Meaning, only fire retardent foams will be permitted unless you want to spend the money on ignition barriers. Have you had any code enforcement officials enforcing this yet? How are you dealing with this issue? Do you use any foam on ductwork in unconditioned spaces. more

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