Factory Mutual Revises Scope of FM 1-52 March 26, 2021 In October 2020, Factory Mutual (FM) published a revised scope for FM Global Property Loss Prevention Data Sheet 1- 52, Field Verification of Roof Wind Uplift Resistance. The scope was changed to replace the statement of allowed use in cases “where inferior construction is suspected (or known to be present) or where a partial blow-off […] Read More