DELTA®-SEALANT is a black mastic formulation that is used to seal off the flat tab and overlaps between membranes during the installation process. The sealant is also used to seal off any gaps in the membrane created at interior and exterior corner installations where a tight fit may not be possible. Passive House High-performance building material.
The 27 fl. oz (825 mL) tube can be bought as a single, or in a 12-tube cartridge box.