Spray foam another 2 inches of Lapolla 4G closed cell foam to achieve an R-30 on the underside of the roof deck.
All occupants must remain out of the area while the work is being performed and for a period of 8 hrs after.
For spray foam insulation the following applies:
Pipe Works Services, Inc. requires that all occupants and pets vacate the premise during the installation and for a period of two hours after the installation.
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