Closed Cell Foam Backer Rod, Gray, 3/4" Diameter x 20' Long, Water-Resistant Joint Filler for Sealant Application, Flexible and Durable for Cracks and Joints

Description

🧱 Seal smarter, not harder — the pro’s choice for perfect joints!

The SIKA Closed Cell Foam Backer Rod is a 3/4" diameter, 20-foot long, water-resistant joint filler designed to enhance sealant application by preventing 3-point adhesion and controlling sealant depth. Its flexible, durable closed-cell foam adapts to concrete expansion, making it ideal for windows, doors, and cracks, ensuring efficient, long-lasting, and professional-grade sealing.