CROMAR AlphaChem® Joint Backer Rod 10mm x 115m Closed Cell Polyurethane for Expansion Sealing Reduces Sealant Usage Flexible Improves Performance 115 Meters

Closed Cell Polyurethane Construction: Durable and flexible backer rod ideal for creating the perfect base in expansion joints, preventing three-sided adhesion. Reduces Sealant Usage: Helps minimize the amount of sealant required by filling the joint, saving time and material costs. Quick & Easy Application: Simple to install, making it convenient for both professionals and DIY users. Enhanced Sealant Performance: Ensures the correct joint size and maximizes the efficiency and longevity of the sealant. Multiple Size Options: Available in various diameters to suit different joint requirements, making it versatile for a range of projects.