Masterseal 581 Thoroseal 

MASTERSEAL 581 is a cement based waterproofing material that forms a brushable slurry when mixed with specified quantity of water, for coating on to prepared concrete and masonary surfaces.

The coating cures to form a water impermeable membrane with excellent adhesion to the substrate.

For improved adhesion and performance, MASTERSEAL 581 can be mixed with a solution of acrylic based polymer such as MASTERSEAL 600 (Thoro Acryl 60). Consult BASF Construction Chemicals for advice.