TheTremco 7/8 in. x 850 ft. Polyethylene Foam Sealant Closed Cell Backing Rod fills large gaps around windows, doors and foundations. By filling cracks and holes, youll eliminate drafts, reduce heat loss and improve the energy efficiency in your home.

Features

• Fills expansions, gaps, cracks and holes around windows, doors and foundations
• Controls sealant depth
• Stops cold drafts and reduces heat loss to enhance energy efficiency
• Sealant or caulking to be applied for a tighter seal
• The foam material is easy to manage and install
• Long lasting application

Specifications