0.220" x 5" Strong-Tie SDWS22500DBB Timber Screw - Double Barrier Coating, Black | Qty. 600 CCQ Column Caps The integrated EPDM washer provides

The integrated EPDM washer provides a watertight seal

Attaching furring channel or hat channel to structural framing

RFB retrofit anchor bolts provide dependable performance for demanding anchoring applications

Construction

moisture-tolerant

0.220" x 5" Strong-Tie SDWS22500DBB Timber Screw - Double Barrier Coating, Black | Qty. 600 CCQ Column Caps The integrated EPDM washer providesSimpson Strong Tie SDWS Timber Screws (Exterior Grade) are your go to fasteners when strength and weather resistance matter. Ideal for outdoor framing, landscaping, or heavy duty builds, these structural wood screws help DIYers get pro level results without the need for pre drilling. Coated with a high performance Double Barrier finish, they resist corrosion from rain, moisture, and treated lumber. The large washer head adds serious clamping power,