INSULATING ROOMS WITH CEILINGS OVER TEN FEET HIGH
OR ABOVE AVERAGE GLASS ABOVE HEATED AREAS
Areas with high vaulted ceilings above will need a layer of fiber glass.
Crawlspaces will need fiberglass plus radiant barrier under the joists.

SUBFLOOR

INSULATING A CRAWL SPACE

RIM JOIST

BOTTOM VIEW OF CRAWLSPACE

BOTTOM VIEW OF CRAWLSPACE

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