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BuildSeal Flex 200

A single-component, ready-to-use liquid-applied elastomeric waterproofing membrane based on styrene-acrylic technology. BuildSeal Flex 200 cures to form a highly elastic, UV-resistant, and seamless rubber-like membrane. Ideal for exposed terraces, roofs, and podium decks.

Packaging

5 kg pail, 10 kg pail, 20 kg drum

Coverage

1.5 – 2.0 kg/m² in two coats (1.0 mm DFT)

Quality Certified
Technical Support

Features

  • Single-component — no mixing required
  • High elongation of over 200% for superior crack-bridging
  • UV-stable and weather-resistant for exposed applications
  • Breathable membrane — allows moisture vapour transmission
  • Can be over-coated with reflective topcoats or tiles
  • Available in grey and white finishes

Technical Specifications

Density1.35 ± 0.05 kg/L
Full Cure7 days at 25 °C
Elongation> 200%
Drying Time2–3 hours (touch dry at 25 °C)
UV ResistanceExcellent (> 5000 hrs xenon arc)
Crack Bridging2 mm at 23 °C
Tensile Strength> 1.5 MPa
Water Vapour PermeabilitySd < 5 m

Application Areas

Terraces and roof decksPodium slabs and planter waterproofingBalconies and sundecksExposed concrete roofsPre-treatment under tile installation on decks

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