R-13 Thermafiber® TopStop® Head-of-Wall Unfaced Mineral Wool Insulation 3 in. x 5 in. x 7 in. x 36 in. (20 sq. ft.) | SAFB-TSZ3-TF

These products are non-combustible, moisture-resistant, non-corrosive, non-deteriorating, mildew-resistant, and vermin-resistant. Insulation used for TopStop® is UL® and Intertek® (formerly OPL) Classified, and is approved for use in designs that otherwise call for Safing Insulation. It is available in 3 common sizes of trapezoidal shaped boards, as well as standard forming strips.

• Excellent performance in head-of-wall fire containment systems
• Fire resistant to temperatures above 2,000° F (1,093° C)
• Helps conserve energy, reduces greenhouse gases emissions
• Resists moisture
• Non-combustible
• Labor saving pre-fabricated shapes