GAL DYCO SEAM SEAL
A premium synthetic rubber brush on, solvent based caulk sealant used exclusively for sealing seams. Once applied, 20/20 Seam Seal gradually forms a flexible water resistant elastomeric seal making it ideal for seams around vents, stacks and attached structures such as carports. May be applied at freezing or above.
MFG Part Number: 20/20-GAL