TABLE - U.L. Fire Rated Systems

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Perlite Concrete for Reroofing and Roof Renovation
Prepared by: The Perlite Institute

U.L. FIRE RATED SYSTEMS
P405 -- 3 HOURS P406 -- 3 HOURS P215 -- 2 HOURS P241 -- 2 HOURS P251 -- 2 HOURS P407 -- 2 HOURS P410 -- 2 HOURS P708 -- 2 HOURS P810 -- 2 HOURS P812 -- 2 HOURS	P902 -- 2 HOURS P905 -- 2 HOURS P907 -- 2 HOURS P908 -- 2 HOURS P910 -- 2 HOURS P913 -- 2 HOURS P916 -- 2 HOURS P920 -- 2 HOURS P921 -- 2 HOURS P922 -- 2 HOURS P923 -- 2 HOURS	P231 -- 1-1/2 HOURS P513 -- 1-1/2 HOURS P919 -- 1-1/2 HOURS P214 -- 1 HOUR P216 -- 1 HOUR P246 -- 1 HOUR P509 -- 1 HOUR P511 -- 1 HOUR P678 -- 1 HOUR P903 -- 1 HOUR

Information given herein is from sources considered reliable, but no guarantee of accuracy can be made or liability assumed. Your supplier may be able to provide you with more precise data. Certain compositions or processes involving perlite may be the subject of patents.
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