Sealtek
FlexTek Reinforced Waterproofing System
FlexTek Reinforced Waterproofing System
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A seamless, reinforced waterproofing solution ideal for metal and tiled roofs.
The FlexTek System combines an ultra-flexible acrylic coating with Spunfab woven membrane, creating long-term protection for overlaps, joints, and exposed surfaces — no flame needed.
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Looking to Buy in Bulk or Request a Custom Quote?
We work closely with contractors, applicators, and businesses who need more than just a few litres.
Whether you're:
- Ordering in bulk
- Looking for custom colours
- Interested in becoming an approved applicator
- Or sourcing product for a large-scale project
We’re here to help.
All You Need To Know
What's included
- 20L FlexTek Acrylic Coating
- 12 m² Spunfab Woven Membrane
- Primer sold separately (use Damp-End or Repellam for cementitious surfaces)
Key Features
- Eco-friendly and water-based
- Seamless and torch-free application
- High flexibility – suitable for complex surfaces
- UV stable and weather-resistant
- Easy brush or roller application
- Low dry film weight – safe for roofs and structures
Application And Coverage
- Coverage: ±12 m² per 20L system (3–4 coats)
- Each coat: ±0.4 – 0.55 L/m² (not more than 0.6 L/m²)
- Total usage: ~1.6 L/m²
- Recoat time: 1–2 hours @ 25°C
- Full cure: 7 days
Surface Preperation
- Remove all existing waterproofing materials
- Clean surface of dust, algae, salts, chemicals, or fungi
- Ensure surface moisture is below 10%
- Prime cementitious surfaces with Repellam or Damp-End
- Do not apply primer to metal substrates
- Apply FlexTek in 3–4 coats, starting with membrane saturation
Colour Options
Standard: Grey, White, Black, Terra Cotta, Green
Custom: 90+ colours available on request (minimum order may apply)