Sika BlackSeal® Elastic

BRANZ APPRAISED LIQUID APPLIED FLEXIBLE BITUMEN DAMP-PROOF   MEMBRANE

Sika BlackSeal® Elastic is a BRANZ appraised polymer modified water based bitumen emulsion.

  • BRANZ Appraised certificate No.770 [2018]
  • Meets Clause B2 Durability, not less than 50 years, E2 External Moisture and F2 Hazardous Building Materials
  • Appraised as an Alternative Solution in terms of the New Zealand Building Code
  • Improved moisture vapour flow resistance of >300 MNs/g.
  • Fast cure, recoat in 4 hours
  • Complies with AS/NZS 4020, tested for use in contact with drinking water (potable water)*
  • Can be mixed with sand and cement to create waterproof screeds and mortars
  • Water based, free from solvents
  • Simple to apply by brush or roller
  • Excellent adhesion to concrete and masonry
  • Very low water permeability
  • Can be applied to green concrete
  • Resistant to ground salts
 
Sika BlackSeal® Elastic