Silicone Water Repellant

Availability: In stock

A totally clear low viscosity silicone-based solution suitable for direct application to dry untreated brick, concrete, cement plaster, stone and other siliceous structural materials. Helps preserve the natural appearance of the structure by preventing dirt, grime and algae accumulation.

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Product Specs:

Available in 1 and 5-litre packs.
Colour: Clear

Technical Data Sheet


Silicone Water Repellent is a totally clear, low viscosity solution for exterior use. Suitable for direct application to new untreated brick, tile, concrete, cement, fibre cement and other porous siliceous materials. Not suitable for limestone, gypsum and textiles. May be top coated with conventional decorative coatings such as Masonry Paint, PVA’s, Acrylic and Alkyd Enamels.

Dries to an invisible finish giving excellent water repellence within 24 hours. 5 – 10 years life depending on substrate and exposure conditions.

New unpainted surfaces must be clean and dry. Efflorescence, grease, oil, fungi etc must be totally removed before application. Applying Trade Silicone Water Repellent requires the brush to be fully loaded and the product should be running down the wall at least 150mm from the point of application. It is essential that 2 saturated coats be applied for optimum results. Not recommended for application over previously painted or varnished surfaces.

Do not apply if rain is expected. Keep container well sealed after use to avoid exposure to air and moisture during storage. Not designed to withstand hydrostatic pressure. e.g. fish ponds, farm dams etc.

Ready for use by brush or spray only. Thinning not required. Clean up with Mineral Turpentine.

Type: Silicone
Drying T ime: (T) Approx. 2 Hours (dries by carrier solvent evaporation)
Relative Density: 0.86 – 0.88
Spread rate: 3 – 4m2/L depending on surface profile and porosity.
Flashpoint: 40°C
Colour Range: Clear (totally invisible)
Pack Sizes: 1lt & 5lt

Health and Safety: Refer to Material Safety Data Sheet

Download Technical Data Sheet


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