Sashco 30623 Pre-Caulking Filler Rope Backer Rod 5/8-Inch x 50-Feet, Grey
Brand: Sashco
Color: Grey
Makes professional joints that last
Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement
Closed cell design repels water to help protect the joint from damage
Complies with ASTM C 1330, Type C
Measures 5/8-inches diameter by 50-feet length