300 Ft Caulk Saver Foam Backer Rod 3/8 Inch Rope Caulk Foam Backer

Soft Type Backer Rod is a soft, non-gassing, pliable, bi-cellular backup material for construction joints and applications that require sealants. It performs as a depth control for most known cold applied sealants and also helps sealant to assume the optimum hour-glass shape. Sealants will not adhere to it; no bond breaker is required. Soft Type Backer Rod is a round, black, extruded bi-cellular polyethylene backer rod with a water resistant outer skin.

1-1/8 inchx20' Soft Type Backer Rod for Gaps & Joints

Foam Rope

Caulk Backer Rod Pro Pack: 3/8 in by 350 ft size; Fills gaps and openings to prevent drafts. Provides a sound surface for caulking projects.

M-D Building Products Caulk Backer Rod 3/8in x 350ft

Frost King 1/2X250' Caulk Saver C22cp

Frost King® C21CP® Poly Foam Caulk Saver Weather Stripping Bulk

Sashco Pre-Caulking Backer Rod 5/8x50' Filler Rope 30623

Quality Material: this caulk backer rod is made of quality foam, which is round, closed cell, low density, safe to use, possessing nice flexibility

Caulk Saver Foam Backer Rod for Gaps and Joints Backing Rod Concrete Filler Rope, Gray (1/2 Inch x 30 Ft)

Caulk Backer Rod Foam

Caulk & Sealant

Caulk Backer Rod Foam

zzhxkjhky Backer Rod Caulk Saver Foam Backer Rod for Gaps and Joints Backing Rod Concrete Filler (34 inch x 30 Feet)