Pica DC 521
Pica DC 521 is a silane/siloxane based hydrophobant for brick and concrete surfaces.
Generally
Pica Dri-Cote 521 is a water based silane/siloxane based hydrphobant for brick and concrete. The product gives the treated surface a permanent water repellant effect.
Use
Simply spray on to the surface (cover glass) and let it dry for 8-12 hours. Do not apply the product in temperatures below +7°C. Normally 1L Pica Dri-Cote treats 4-5 m² of brick or concrete. The product should only be used on brick and concrete surfaces.
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