![]() |
Stone Mason® Instant Water Proof Cement is a polymer-modified brushable cement-based product specially designed to coat and waterproof a range of interior and exterior walls, above or below grade. Easy to mix and apply – use on basement walls, swimming pools, cisterns, retaining walls and more. Features
Colours
Coverage
Required Tools and Materials
|
![]() |
To ensure our customers always have access to the most current information, we ask that you contact the Henry Company Customer Support Center at 1-800-486-1278 for more information about this product. |
![]() |
MixingMix 25 lbs. (11.3 kg) with ¾ gal. (approx. 3 litres) of clean water. Mix thoroughly until a brushable consistency is achieved. For increased adhesion to smooth, dense surfaces and superior results and durability, use a mixing liquid composed of one part Stone Mason® Acylic-Bond to three parts water. ApplicationA two-coat application is required. Apply a heavy coat using a masonry brush. Allow to harden overnight, then apply a second coat. TemperatureApply in temperature above 40ºF (5ºC) |
![]() |
The consumer shall satisfy themselves of the suitability of this product for the intended purpose. Weather, applicator's skill and surface conditions are beyond manufacturer's control. We, therefore, limit our liability to replacement of defective material only, within one year of proof of purchase. |

