Duct Mastic Sealants

Our professional duct mastic sealants from Tremco illbruck and Dow Corning Geocel are specifically designed for sealing all types of joints in internal duct work systems and conform to HVCA specification DW144 regarding official air leakage requirements.
The water based formulations make these Duct mastic sealant safe to use, remain flexible, easy to tool & fast curing.