SASHCO BACKER ROD
30510 1/2" x 1250 Ft Backer Rod

• Soft cell backer rod with water-resistant skin
• Repels water to protect the joint from damage
• Press filler rope into joint, leaving between 3/8" to 1/2" empty space at the top for caulk
• Fully compatible with all substrates and sealants
• Saves money: fill the joint, use less caulk
• Use for sidewalk and driveway cracks, door and window frames, sill plates, wall cracks and more
• Size: 1/2" x 1250 Ft
• Color: Gray