The current standard includes five Types of products. Type II includes 4 Classes. Potential overlap exists for Class 1, 2 and 3. The objective of the revision is to eliminate this potential overlap.
cellular plastic insulation; cellulosic fiber insulating board; composite foam insulation board; faced foam board; foam plastic insulation; oriented strand board; perlite board; polyiso board; polyisocyanurate; polyisocyanurate foam; polyurethane; polyurethane foam; thermal insulation; waferboard ;
Citing ASTM Standards
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