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> New 3/8†x 2100’ round closed cell foam backer rod -
New 3/8†x 2100’ round closed cell foam backer rod -
3/8 x 2100 Spools (2 spools 1050 feet spools per box), For Gaps & Joints, Non-Absorbent, Closed Cell Polyethylene, Pre-Caulking Material, Use Before caulking To Fill Gaps & Openings , Prevents 3 Point Bonding.
Great for window and door sealing - creates a more snug fit with less mess and less expense than filling with caulking or other insulation material.
Closed cell backer rod is a round, flexible, closed cell polyethylene foam with an exterior "skin" used as a backing and thickness control device for elastomeric and other cold-applied sealants. The backer rod becomes an integral part of the joint into which it is installed and therefore is available in a range of diameters to accommodate many joint sizes. It limits the depth of the sealant, therefore preventing excessive use of sealants. Because the sealant will not bond to the "skin" of the rod, it can stretch and recover with joint movement, with minimal stress being put on the points of adhesion to the substrate.
Product Advantages and Applications:
* Provides a sound surface for caulking projects
* Will not absorb or wick water which could cause sealant failure
* Fills gaps and openings to prevent drafts
* Recommended for use in window and door sealing
* Other applications include for use in expansion joints in new driveways and sidewalks or crack repairs
* Twist multiple strands of cord together for extra large gaps; easily trimmed to size with scissors
Backer Rod Size and Description
3/8" x 2100" - two 1050' spools
3/8" x 3600' - two 1800' spools
3/4" x 1100' - two 550' spools
1 1/4" x 400' - one 400' spool
3/4" x 1100' - one 1100' spool
1 1/2" x 420' - 70 each 6' lengths
2" x 240' - 40 each 6' lengths
2' 1/2" x 156' - 26 each 6' lengths
3' x 102' - 17 each 6' lengths
