Dowsil 813C Construction And Concrete Silicon Sealant

  • Good unprimed adhesion to a variety of substrates
  • Conforms to ISO 11600-F-25LM
  • Meets the requirements of EN 15651-4 and EN 14188-2 Class A
  • Excellent weather ability –virtually unaffected by sunlight, rain, snow, ozone, and extreme temperatures of -40°C to 149°C
  • Ensure that the surfaces to be sealed are clean, dry, sound, and grease-free.
  • Clean non-porous surfaced with DOWSIL™ R-40 Universal Cleaner, and dry thoroughly with a clean, lint-free cloth before application of sealant.
  • Porous substrates such as concrete, brickwork, mortar, etc.
  • must be mechanically cleaned of loose particles using a steel brush, sanding disc, or any similar means.
  • When using any solvent, always provide adequate ventilation. Avoid heat, sparks,s, and open flames. Use solvent-resistant gloves.
  • Observe and follow all precautions listed on the solvent container label.
  • Areas adjacent to the joints should be masked with tape to prevent contamination of the substrates and to ensure a neat sealant line.
  • Masking tape should be removed immediately after tooling
  • Primers are not usually required but might be needed for some specific substrates for maximum adherence.
  • Where backup material is required, a closed-cell polyethylene backer rod is recommended.
  • Back-up materials provide back pressure and avoid three-sided adhesion that limits sealant movement capability.

 

 

 

 

 

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Brand

Dowsil

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