- Insulation washer is ideal solution to attach rigid insulation
- Patented prongs allow pre-spotting for easy on-the-wall fastening
- Appropriate for masonry/foundation walls, wood and steel
- View More Details
How to Get It
Product Overview
The SPAX 1-3/4 in. dia. Plasti-Grip ci Prong insulation washer is the perfect solution to attach rigid insulation. Patented prongs enable pre-spotting for easy on-the-wall fastening. Appropriate for all substrates including masonry/foundation walls, wood and steel. Recommended for use with SPAX #8 or #10 Dia construction screws. Energy efficient and labor-saving attachment of all types of rigid insulation. Do it Once, Do it Right with SPAX.
- Designed to reduce thermal bridging and air infiltration
- Flexible design allows washer to flatten flush without tearing insulation
- For use with: extruded polystyrene (XPS), expanded polystyrene (EPS), polyisocyanurate (ISO) or mineral/stone wool
- Recommended by leading insulation manufacturers
- Compared to adhesives a washer/screw combination does not require setup time, will not sag and will compress the insulation flat against the substrate
- Utilize with appropriate type and length fastener depending on substrate type and insulation thickness, minimum fastener head diameter of 1/4 in. required
- UV additive for extended exposure during the course of construction (3-months to 6-months)
Compare Similar Insulation Accessories
 |  |  |  | |
| Brand | SPAX | ADO Products | Durovent | ADO Products |
| Name | 1-3/4 in. Dia Plasti-Grip ci Prong Insulation Washers (75-Count) | Wind Block Air Infiltration Seal System (10-Pack) | 22 in. x 4 ft. Rafter Vent (10-Pack) | Durovent 23-1/2 in. x 46 in. Rafter Vent with Built-In Baffle 10/Ctn |
| Price | $1598 | $1701 | $2292 | $2424 |
| Ratings | (19) | (37) | (145) | (120) |
| Insulation Accessory Type | Fastener | Rafter Vent | Rafter Vent | Rafter Vent |
| Insulation Features | No-Dust Material | Water Resistant | Water Resistant | |
| Product Width (in.) | 1.75 in | 26.75 in | 22 | 23.5 in |
| Number of Pieces | 75 | 10 | 10 | |
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
| Product Depth (in.) | 1.75 | Product Height (in.) | 0.5 |
|---|---|---|---|
| Product Width (in.) | 1.75 in |
Details
| Insulation Accessory Type | Fastener | Insulation Features | No-Dust Material |
|---|---|---|---|
| Insulation Type | Accessory | Number of Pieces | 75 |
| Pack Size | 4 |
Warranty / Certifications
| Warranty Information | . |
|---|
Questions & Answers
Typical questions asked about products:
- Is the product durable?
- Is the product easy to use?
- What are the dimensions of the product?
Customer Reviews
Apr 19, 2022
by
Dec 29, 2021
Best product for securing foam board insulation ever !!!...
Best product for securing foam board insulation ever !!!
by
Nov 4, 2021
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Sep 23, 2021
This product was exactly what I was looking for. The...
This product was exactly what I was looking for. The ONLY place I could find it was HomeDepot. Got it very quickly. Happy with my purchase.
by
Sep 22, 2021
by
Jul 24, 2021
Expensive but worth it...
Expensive but worth it
by
Jul 18, 2021
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Jun 25, 2021
These Plasti-Grip washers are the best way to install foam...
These Plasti-Grip washers are the best way to install foam board
by
Jan 30, 2021
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Nov 12, 2020
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
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