Koster Restoration Plaster Grey is a salt and pressure resistant restoration plaster for the restoration of heavily moist and salt burdened substrates. Restoration Plaster Grey is suitable for multiple substrates include concrete, masonry consisting of brick, natural stone, porous concrete block, perforated brick, mixed masonry, etc. Koster Restoration Plaster Grey can also be used as a water repellent exterior plaster.
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Due to its high porosity and hydrophobicity, KÖSTER Restoration Plaster Grey allows for the damage free drying and de-salting of masonry even in the case of high salt content. It improves the insulation properties of the wall and therefore helps prevent the formation of condensation. KÖSTER Restoration Plaster Grey is free of light fillers and therefore requires no further surface treatment prior to the application of breathable paints or wallpaper which is open to vapour diffusion