Prestonett Water Proof Masonry Filler 1KG

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Flexible, waterproof filler with good adhesion to even damp surfaces. Waterproof at only 3mm thickness. For interior and exterior use.
Prestonett Water Proof Masonry Filler

In detail

Beissier Prestonett Waterproof Masonry Filler is a powder filler for interior and exterior use. Flexible, waterproof filler that protects and repairs and is water vapour permeable. Providing excellent adhesion, even to damp substrates.

Application can be made by filling knife or blade and is easy to work and sand. Fills up to 15mm in 1 application and is waterproof within a 3mm thickness.

Application Methods
Filling knife, Caulking blade
Suitable for...
Interior and exterior use 

Additional information

Filler Preparation

Gradually pour the powder into water, stirring until a homogeneous paste is obtained.

Dilution: 0.20L water to 1KG powder for filling, 0.25L water to 1KG powder for leveling.


Filling: Fill the cavity thoroughly, taking care to line the bottom while chasing air and equalize the surface.

Leveling: Spread generously on the surface and smooth by removing the excess coating.


Fine-grain concrete, reinforced concrete, cellular concrete, cement, concrete block, brick. Do not apply on plaster.

Substrates must be hard, cohesive, clean, sound and according to the local standards.