Backup Rod is a flexible foam material used in joints and gaps before applying sealant like silicone. It helps control sealant depth, improves adhesion, and ensures a clean and efficient sealing process in doors and windows.

Specification

• Used as a filler before applying sealant
• Controls sealant depth for better performance
• Improves adhesion and finish of sealing
• Flexible and easy to insert into joints
• Suitable for doors, windows, and construction gaps
• Resistant to moisture and long-term wear