The 36MM Backer Board Washers, also known as metal disc washers or perforated disc washers, are designed for securing XPS insulation boards and other foam insulation materials to wooden floors or stud walls when used with metal screws.

• Material: Mild steel or Stainless steel 304, 316
• Washer diameter: 36mm (customizable for large orders)
• Washer thickness: 0.6mm or 0.7mm
• Center hole diameter: 5mm
• Fixing parts: Drive screws included
• Screw size: 3.5mm X 30mm standard (length adjustable for board thickness)
• Packing: Plastic bag, carton, and pallet

To install insulation boards using the 36MM Backer Board Washers:

1. Position the insulation board in place
2. Place the disc washer onto the board
3. Use a drive to secure the screw through the washer into the wall or floor

	Item: 70MM Backer Board Washers Material: Stainless Steel (galvanized steel available) Size: 70mm Center Hole: 6mm Thickness: 0.7mm
	Item: 35MM Backer Board Washers Material: Galvanized steel (stainless steel available) Size: 35mm Center Hole: 5mm Thickness: 0.7mm
	Item: 4-Claw Tile Backer Board Washer Material: Galvanized steel (stainless steel available) Size: 32mm Center Hole: 5mm Thickness: 0.6mm

All orders are packed in plastic bags, then placed in cartons, and finally secured on wooden pallets for shipping.