ci Prong washer
Thermal-Grip ci prong washerGrip-Lok autofeed fastneing system with Bullseye nose adaptor attaching ECOMAXci insulation with Thermal-Grip ci prong washers and Grip-Deck ci screwsThermal-Grip ci prong washers attaching Rmax ECOMAXci insulationThermal-Grip ci prong washer pre-spots into foamThermal Grip ci prong washer and Grip-Deck ci screw attaching rigid insulation to steel studs showing various layersci Prong washer sits flush on face of insulationfasteners to attach rigid insulation in basements and crawl spaces -blue board

Thermal-Grip® ci Prong Washer

2″ dia. plastic washer used for attaching continuous rigid insulation (ci). Prongs enable pre-spotting into insulation (for fast on-the-wall fastener assembly). Use as recommended by every major insulation manufacturer.

[Hidden on Front-End]

Use with Grip-Deck screws/fasteners to attach rigid insulation including extruded polystyrene (XPS), polyisocyanurate (polyiso), expanded polystyrene (EPS), mineral/rock wool, etc.

  • 2” dia. washer with solid cap design (no keyholes)
  • Pre-spotting prongs
  • Stiffened center “Bullseye” ring prevents fastener pull-through
  • Flexible perimeter compresses on surface and reduces tearing
  • Flattens on surface of insulation
  • Carbon Black UV Stabilizers
  • Sold in boxes of 1,000 pieces
  • 9 pound box
  • Compatible with nails and screws
  • Rigid insulation manufacturer approved

Click here for: Thermal-Grip® ci washer brochure page