Standard Letters Documents
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Flame Spread and Smoke Development Properties
Carlisle's EPDM, TPO & PVC Membrane Compatibility with M-1 Sealant.
Letter from FM highlighting changes recently made to Approval Standard 4470.
Updated FM 4470 deck spans by wind rating/fastener spacing and deck gauge for 33 ksi and 80 ksi.
Standard Letter: Gypsum Wall Board Flashing
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