Coat & Seal is an elastomeric, environmentally friendly, UV resistant Duct Mastic that will allow you to work faster, apply less material, and confidently stake your reputation on the quality and integrity of the seal. Coat & Seal utilizes a hybrid sealant technology that enables you to work faster and easier.  

It is recommended that you apply approximately a 15 mil coverage thickness. It remains permanently flexible and offers moisture activated curing so it does not shrink or crack like water-based duct mastics that shrink up to 60%. You can have confidence that what you apply during installation will be what is there years later. That mean no call backs to reseal problem areas. It may be used to seal seams, corners, and joints while ensuring a waterproof and airtight seal.

It may be used to seal seams, corners, and joints while ensuring a waterproof and airtight seal. It has excellent adhesive to all duct material surfaces, so you don’t have to worry about sagging and dripping. It may even be applied on wet surfaces. It will maintain an airtight seal and is UV stable. It is paintable and offers primer-less application. It may be applied on interior and exterior duct materials and cleans up with TYTAN wipes or mineral spirits. Its solvent-free formula is Low VOC and Isocynate free so it will protect you and the environment from unpleasant chemicals.