STI

STI (Specified Technologies Inc.) firestop products, including WF300 intumescent firestop caulk for wood frame construction. In stock at our Alpharetta warehouse with free local jobsite delivery on orders of $500+ within 40 miles. Need a specific STI product or UL system? Call (678) 691-5215.

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STI WF300 Intumescent Firestop Caulk – Red
STI
STI WF300 Intumescent Firestop Caulk – Red Sale priceFrom $158.95

Questions? Call (678) 691-5215 or email sales@jhisupply.com

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