Backup Rod – Polyethylene Foam Joint Filler
Backup Rod from Shiv Sales Corporation is a flexible, closed-cell polyethylene foam rod used as a gap filler before applying sealants. It ensures proper joint depth, improves sealant adhesion, and prevents cracking. Ideal for expansion joints, doors, windows, flooring, and façade applications, it provides excellent insulation and durability. Lightweight, easy to install, and moisture-resistant, it is widely used in construction and waterproofing projects.