Product Description
Rubber washer seals out water
Use to install 16mm or 25mm polycarbonate panels, fiberglass or corrugated plastic onto wood frame. EPDM Rubber washer seals out water. Zinc plated, hex head, #9 x 2". Pack of 100.
Building Tip: Drill a 1/4" hole in the polycarbonate for each Washer Head Screw. Do not use Washer Head Screws as a substitute for bar caps on the edges of the panels. Bar caps allow the panel to expand and contract with minimum stress to the panel.
Note: Use a Gasket Washer on Washer Head Screws where fastening the center of panels to the support blocking.
