THERMAL-GRIP Flat Plastic Washers are designed for secure and durable attachment of house wrap, air barriers, and rigid insulation in both residential and commercial construction. Featuring a 2" solid cap design, these washers provide superior holding power while preventing fastener pull-through, ensuring long-lasting performance. Compatible with #6-#8 diameter screws (center hole opening 0.185").

Ideal for building wrap and insulation attachment, the washers feature a flat-bottom design for flush mounting and a reinforced center bullseye ring that enhances fastener grip. The flexible perimeter compresses against surfaces, reducing tearing and improving overall sealing performance. Built with Carbon Black UV stabilizers, these washers resist degradation in outdoor applications.

Tested and recommended by major air barrier manufacturers, THERMAL-GRIP Flat Plastic Washers are the preferred choice for ensuring secure, energy-efficient installations. They work with a variety of fastening methods and are suitable for walls, ceilings, and other insulation applications.

Key Benefits:
* Secure House Wrap Attachment - Recommended by air barrier manufacturers.
* Superior Holding Power - 2" solid cap design prevents pull-through.
* Flush Mounting - Flat bottom ensures a tight, secure fit.
* Reduces Tearing - Flexible perimeter compresses against surfaces.
* UV-Stabilized Durability - Carbon Black UV stabilizers for outdoor use.
* Versatile Applications - Ideal for building wrap, rigid insulation, and mineral wool.
* Tested for Air Barrier Performance - Ensures system integrity and energy efficiency.

Whether you're working on a residential home or commercial building, THERMAL-GRIP Flat Plastic Washers provide the strength, security, and durability needed for reliable house wrap and insulation attachment. Designed to meet industry standards, these washers deliver long-term performance for energy-efficient construction.SPAX screws start as high-quality cold-rolled carbon steel wire, then undergo precise heat treatment to enhance strength and durability. This meticulous process, perfected over time, ensures every screw delivers superior performance in demanding applications. Unmatched Strength & Durability: Proudly crafted on American soil and made domestically in Bryan, OH with globally sourced materials.