Cement Foam Backer Board Screws & Washers

Specifications

• Course thread screws are 1 3/4″ long
• Ceramic coated, no oxidation
• Galvanized washers are 1 3/8″ wide
• Penetrating washers to secure to the surface of the foam board
• Underlayment

Installation Requirements

Maximum recommended fasteners spacing every 12″. It is best to create a slight depression in the board to reduce build up on the board. Cover each screw and seam with at least 2″ overlap with thin-set and seam tape.