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  IMPERCAL ( Ref. 3002 )
 Waterproofing and damp-proofing liquid for the treatment of porous surfaces such as natural stone, concrete, bricks, fibrocement sheets, tile, monolayers, etc.
Waterproofs without modifying the aspect of the base material, allowing transpiration. Prevents the growth of moss. Approximate Yield: 3-4 m2/l.
Container: 30 L.
 Sequence of photos that show a dry wall with the product applied to it, and what happens when the wall is wetted.
You can see how two whiter areas appear on the stone with no humidity after applying water to it.
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