Materials:MF (Protect Board Composite)

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Materials:MF (Protect Board Composite)

Revision as of 21:48, 16 October 2023 by James Klassen (talk | contribs)
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Notice to the Reader:

The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.

Manufacturer: Posi-Slope Western
Accepted for RoofStar Guarantee Program
January 2008
Product Summary
"A rigid mineral fibre board manufactured from basalt rock and steel slag with a melting point of 2180 F (1195 C), laminated to a 3 mm (1/8") asphaltic board facer with square edges." The product can be produced in tapered panels with a uniform slope, in two sizes (2'x4', and 3'x4').

(adapted from the Technical Data Sheet)


Click below for the Technical Data Sheet.
Technical Data Sheet



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