These Christmas Tree Insulation Anchors are used to attach 2.5" rigid foam insulation board like Bora-Foam to the crawl space foundation walls.
To install, use a 5/16" masonary drill bit and drill to a 1.5" depth.
- Package Quantity: 50 Anchors
- For use with 2.5" Rigid Foam Insulation Board
- Anchor Physical Dimensions: Head - 2 3/8 diameter, Total Length - 4inches
- Drill and Drill bits not included.