It is absolutely essential to mix in concrete use, for example tanks, reservoirs, roofs, sewers etc. and also renderings and stucco.

To obtain waterproof dense concrete the following must be adhered to high-class portland cement of guaranteed quality, using non-porous aggregates, correct ratio of sand, aggregate cement, Right consistency and curing.

Along with these the best precaution to take is add 2% of Gloseal to the cement or 1kg Gloseal for every 50kg of white Cement.

Careful mixing of water proofing compound with the cement is most important for best results.