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ClarkDietrich Receives Los Angeles Research Report for Its ProSTUD Drywall Framing System

The City of Los Angeles Department of Building and Safety has certified, in report LA RR 26019, that ClarkDietrich’s ProSTUD® Drywall Framing System (ProSTUD® and ProTRAK®) are code compliant building products and are approved for use in construction in the City of Los Angeles.


The LA RR requires exceedingly difficult third-party evaluation, against a very stringent list of mechanical, fire and acoustical ASTM standards. The products certified in the report are cold-formed steel framing members used to construct interior nonload-bearing (nonstructural) gypsum board sheathed walls installed in accordance with the 2014 LABC.

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