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Nu-Sil WRS Coating is a versatile water repellent treatment on a siloxane base, available water-based or solvent-based. Its excellent water repellent properties reduce penetration of water, frost damage and organic growth. It is suitable for use on brick and blockwork, concrete, natural and reconstructed stone, marble and terrazzo.

Nu-Sil WRS conforms to BS 6477: 1992 and will not affect the original colour of the substrate. It is highly resistant to weathering and UV exposure, moisture vapour permeable with a non-glossy appearance.

General information

Uniclass 2015

Pr_35_31_68_97 Water repellentsPrimary


M60/170 Masonry coating

M60/18 Special coating

Specification data - Water repellents

Product Reference

Nu-Sil WRS Coating - Water-Based

Nu-Sil WRS Coating - Solvent-Based

Standard product features




3 m²/L.

Drying time:

  • Solvent based: Waterproof after 24 hours.
  • Water based: Waterproof after 24–48 hours.

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