PLASTI-GRIP® ci Prong Insulation Washers
Superior Hold Insulation Manufacturers Recommend
Attach rigid insulation to masonry/foundation walls, wood, steel and more with SPAX® Plasti-Grip® ci Prong Insulation Washers. These patented prongs enable pre-spotting for easy on-the-wall fastening and enhanced energy efficiency. And with no hand assembly required, they’re a perfect, labor-saving solution.
- 1 – ¾” diameter plastic washer provides superior holding power.
- Compatible with nails and screws. Recommended SPAX® #8 or #10 construction screws with minimum fastener head of ¼” diameter.
- Rigid insulation attachment solutions for foundation and basement walls, garages, barns, crawl spaces, attics and all interior/exterior walls and ceilings.
- Designed to reduce thermal bridging and air infiltration.
- Recommended by leading insulation manufacturers.

Product Selection

Bag
Quantity: 75
Part number: 5019677517509

Bulk Pail
Quantity: 400
Part number: 3019677517500