November 7, 2025

‘How to’ Video Guide for applying Koster Polysil TG 500 with Delta Membranes

Koster Polysil TG 500 anti-lime – is a deeply penetrating primer for damp, salt-containing substrates and an anti-lime treatment for new concrete which also acts as a liquid hardener for sealing slurries.

Koster Polysil TG 500 is an ‘anti lime’ coating product specially blended with Polymers and silicates which is applied by brush or spray application. Applying Polysil-TG 500 will not only reduce the amount of free lime leaching into the Cavity Drainage System but will also improve the water resistance of the basement structure by absorption into the structure and locking in the free lime.