


The Strong-Drive WSVF Subfloor Screws from Simpson Strong-Tie were developed to fasten subfloor sheathing while providing excellent holding power. The gray Quik Guard® coating on WSVF screws is recognized for corrosion resistance in IAPMO UES ER-192 for Exposures 1 and 3 as described in ICC-ES AC257. Like WSV screws, WSVF screws have been redesigned with a special tip & thread pattern for less torque and faster driving, in dry service applications. WSVF screws help eliminate floor squeaks by reducing gaps between joist beams and subfloor. These #9 x 2" wood screws (item #WSVF2S) have a variable thread design, flat head with nibs, and a Quik Guard® Coating.
These patented, plastic-collated screws are designed for use in the Quik Drive PRO250G2 Subfloor System and the PRO300S System. Use Strong-Drive WSVF Subfloor screws for fire-retardant wood-based materials. The coating on these screws provides corrosion resistance for use with wood and wood-based materials in dry service where the wood and wood-based materials have treatment retentions typical of AWPA Use Categories 1 to 4A and fire-retardant-treated wood and wood-based materials that are recognized in an evaluation report where corrosion effects of the fire-retardant chemical are referenced to code prescribed protection systems for carbon steel fasteners.
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