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decorative sealers

CEMSEAL WB

USER CATEGORY :

DIY TRADES COMMERCIAL

Packaging

  • 1L
  • 4L
  • 20L
  • 210L

PRODUCT INFORMATION & RESOURCES

DESCRIPTION

CEMIX® CEMSEAL WATER BASED (WB) is a readily absorbed silane-siloxane emulsion which acts as a high quality general purpose water repellent for impregnating and priming a variety of surfaces. There is little or no impairment of the materials’ ability to “breathe”, allowing water vapor to exit which helps prevent condensation and mildew on inside walls. The treatment does not produce any discoloration or darkening of the surface and has excellent weathering properties.

ADVANTAGES

  • Water repellent effect on surface
  • Provides good adhesion for paint and plasters
  • Chemically resistant (exhaust fumes, petrol, atmospheric contaminants, etc.)
  • Weathering resistant
  • Resistant to dirt pickup
  • Kills and resists microorganisms
  • Permeable to water vapor
  • Simple application
  • Reduction in loss of thermal insulation caused by dampness
  • Durable – normally over 10 years
  • Water based and environmentally compatible

TYPICAL APPLICATIONS & USES

  • Exterior walls
  • Water resistant for brick, concrete, plaster, terracotta, sandstone and other absorbent stone
  • Timber decks, outdoor furniture, timber wall cladding, clay roof tiles, fibre reinforced cement sheets, gypsum based building materials etc

SURFACE PREPARATION

Surfaces should be clean, free from grease, loose particles, dirt, paint, curing compounds etc. Moss or algae growth should be removed with suitable treatment and washed with clean water. For maximum penetration on a very smooth concrete surface, acid washing or water blasting is recommended.

APPLICATION

Shake or stir thoroughly before use. CEMIX® CEMSEAL WB should be applied, without diluting, in two coats to ensure complete coverage and saturation of the substrate. Spraying is the preferred method with larger areas, using either conventional paint spray equipment or a garden sprayer. Ensure coverage of at least 5m2/L per coat is achieved. On absorbent surfaces, repeat or increase rate of application until surface is completely saturated. Re-application at a later date is possible if required. Equipment should be washed out in water immediately after use.

NOTE

Before applying any sealer on a fresh concrete, ensure a minimum of 28 days for curing.

LIMITATIONS

  • Do not use for structural weather tight application.
  • Do not use as waterproofer.

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