ACTFLEX 400 Clear – Transparent Waterproofing Coating for Tiles & Masonry
- Regular price
- $69.95 AUD
- Sale price
- $69.95 AUD
- Regular price
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- Unit price
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Prices shown exclusive of GST.
ACTFLEX 400 Clear is a game-changing transparent waterproofing coating that lets you stop leaks without ripping up tiles or damaging existing finishes. Formulated with advanced synthetic rubber latex, it creates a UV-stable, flexible barrier that seals and protects tiled and masonry surfaces — all while maintaining their original look.
Unlike traditional membranes, ACTFLEX 400 Clear forms a clear, durable film that resists cracking, sunlight, and weathering. It’s perfect for leaking balconies, bathrooms, and outdoor tiles where removing the surface isn’t an option. Once cured, it delivers a seamless, semi-gloss finish that’s tough enough for foot traffic and exposure to the elements.
Whether you’re a tradesperson saving a client’s balcony or a homeowner dealing with a costly leak, ACTFLEX 400 Clear is the go-to rescue product that restores waterproofing performance quickly, cleanly, and cost-effectively.
• Transparent waterproofing coating — seals leaks without removing tiles
• UV-resistant and long-lasting protection
• Flexible, rubberised film that withstands movement and weather
• Single-component — ready to use, no mixing required
• Suitable for tiles, concrete, masonry, timber, and façades
• Creates a seamless, semi-gloss clear finish
• Safe, non-toxic, and low VOC
• Slip-resistant finish achievable with silica broadcast
• Designed for external and internal waterproofing repairs
• Fix leaking tiled balconies, terraces, and podiums
• Waterproof over existing tiles in showers or wet areas
• Protect sandstone, terracotta, and face brick surfaces
• Waterproof façades and parapet walls
• Seal decorative pavers or concrete surfaces
• Light-traffic pedestrian decks, courtyards, and entries
• Type: Transparent co-polymer waterproof coating
• Colour: Clear (semi-gloss finish)
• Solids content: 45%
• Elongation: 100%
• Tensile strength: 1.5 MPa
• Application temperature: +10°C to +26°C
• Touch dry: ~2 hours @ 20°C
• Full cure: 5–7 days @ 25°C, 50% RH
• Coverage: 3 m²/kg (approx.)
• Film thickness: 0.2–0.5 mm (2–3 coats)
• Packaging: 1 kg, 3 kg, 7 kg pails
• Suitable for foot traffic (not vehicular)
• Meets performance requirements of AS 4654.2 – External Above-Ground Waterproofing Membranes
- actflex
- balcony waterproofing
- clear waterproofing
- Forspec
- leaking shower fix
- over tile membrane
- rubberised coating
- transparent membrane
- uv resistant
Why Choose H2O Supplies?
Preferred by the Trade
Reliable Product Range
Eco-Friendly & Sustainable
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"Brilliant service and fast turnaround! The H2O team got my order ready on the same day — helped me stay on track and impress the builder."
"H2O helped me spec the right system for a balcony job. Even with the weather turning bad, their advice paid off — no failures, just solid results."
"Great range and even better advice. The team knew exactly what I needed for the job — no stuffing around, just solid support from people who know the trade."
"Top-tier supplier! I’ve ordered from H2O across multiple projects and they always come through — great stock levels, advice, and fast turnarounds."
"H2O’s forensic team resolved a complex waterproofing issue on a large commercial site. Their reporting, advice, and support kept the project moving confidently.
"Great range and even better advice. The team knew exactly what I needed for the job — no stuffing around, just solid support from people who know the trade."
"Saved me a heap of time on site. H2O had exactly what I needed, and their advice on application helped me get it done faster with no hold-ups between stages."
"Our team relies on H2O for fast quotes, clear spec sheets, and product availability. Makes ordering for site a breeze — they know what tradies need."
"Product recommendations for concrete repair have been spot-on. Materials hold firm, cure quickly, and help us keep tight schedules without sacrificing quality."

