Page 11 - CodeWatcher Spring 2017 Issue
P. 11
Foam Plastic, Attic and Crawl Spaces
Figures are excerpted from the 2015 International Residential Code Commentary, Copyright (C) 2015 International Code Council, Inc., www.iccsafe.org. All rights reserved. Excerpts reprinted with permission.
Figure R408.4
Foam Plastic Spray Applied Referenced Section R408.4
to Sill Plate and Header is simply the detailed
requirement for the access
for “under-floor spaces.”
Referenced Section 316.4
details the “approved
thermal barrier” to be “not
less than ½-inch gypsum
23
32
board, ⁄ -inch wood
structural panel or a material
that is tested in accordance
with and meets the
acceptance criteria of both
the Temperature
Transmission Fire Test and
the Integrity Fire Test of
NFPA 275.”
Figure R316.4
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