Tradies Choice Master Additive is a concentrated white acrylic liquid to be used with cement based tile adhesive.

Ideal for immersed tile applications such as swimming pools and spas.

Master Additive can be used with grouts to increase flexibility and strength.
Mater Additive can also be added to sand cement screeds to increase strength.

Note: Non porous surfaces should be primed with Tradies Choice Master Primer.