Simpson Strong-Tie 1/4" x 3-1/4" Titen Turbo Hex Head Concrete Screw - 316 Stainless Steel, Qty. 50 Roofing Nails HVAC ductwork and mechanical fastening

HVAC ductwork and mechanical fastening

Suitable for use with preservative-treated wood in outdoor environments

The Simpson ECCO3 1/4 End Column Cap Legs Omitted

Dual-Layer Construction: 3-1/2" diamond mesh backed by 70% opacity debris liner

the insulation acts as a continuous vapor barrier that blocks air and moisture movement

Simpson Strong-Tie 1/4" x 3-1/4" Titen Turbo Hex Head Concrete Screw - 316 Stainless Steel, Qty. 50 Roofing Nails HVAC ductwork and mechanical fasteningThe Simpson Strong Tie Titen Turbo Stainless Steel Concrete and Masonry Screw Anchor is engineered for top tier performance in corrosive environments, making it ideal for exterior and wet applications. Whether you're working with concrete, brick, or block, the Titen Turbo SS delivers fast, reliable anchoring with advanced materials and smart design. Its patented reverse thread geometry helps reduce installation torque, while the notched tip starts