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Flexible cementitious waterproofing membrane for rapid re-coat and tile-over applications.Flexible cementitious waterproofing membrane for rapid re-coat and tile-over applications.

Crommelin Cemproof Ultra Flex 300 Waterproofing Membrane- 20Kg Grey

$142.00 inc GST

highly flexible, Class III cementitious waterproofing membrane designed for fast re-coating and tiling, ensuring superior adhesion and long-lasting waterproofing.

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Crommelin Cemproof Ultra Flex-300 – Rapid & Flexible Cementitious Waterproofing

Need a waterproofing solution with fast application and superior flexibility? Cemproof Ultra Flex-300 is a high-performance, two-part cementitious waterproofing membrane ideal for balconies, bathrooms, swimming pools, planter boxes, and more. With rapid re-coat times (30 minutes) and tile-over readiness in just 12 hours, this Class III waterproofing solution delivers exceptional durability, flexibility, and UV resistance.

Formulated for positive side waterproofing, Cemproof Ultra Flex-300 ensures strong substrate adhesion, making it perfect for interior and exterior applications, including wet areas and damp surfaces. The easy 1:1 mixing ratio simplifies preparation, providing a hassle-free application process.

Why Choose Cemproof Ultra Flex-300?

  • Ultra-fast re-coat & tile-over – Re-coat in 30 minutes, tile over in 12 hours.
  • Superior flexibility & Class III elongation – Permanently flexible to accommodate movement.
  • Highly durable & UV resistant – Suitable for both indoor and outdoor applications.
  • Easy 1:1 mixing ratio – Simple preparation for efficient application.
  • Damp surface application – Works on moisture-prone surfaces for added convenience.
  • Compatible with cement-based tile adhesives – Meets AS 2358 standards for strong bonding.

Where Can You Use Cemproof Ultra Flex-300?

  • Bathrooms & wet areas – Perfect for waterproofing shower recesses and tiled spaces.
  • Balconies & podium decks – Long-lasting protection against water damage.
  • Swimming pools & planter boxes – Ensures a waterproof seal in submerged or damp environments.
  • Interior & exterior surfaces – Reliable for both above-ground and damp areas.

Order today and get free shipping insurance! Ensure top-tier waterproofing with Crommelin Cemproof Ultra Flex-300, your go-to solution for flexible cementitious waterproofing.

Have questions? Need assistance choosing the right waterproofing solution? Contact us today for expert advice and the best deals!

 

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Colour accuracy disclaimer: We have taken care to display the most accurate visuals of our products. However, we are not responsible for the colour accuracy of the device you are viewing our swatches on. These variations arise due to different computer monitors and devices (make, model and technology, as well as resolution, contrast and brightness control settings) in much the same way a scan will differ from an original image and a colour photocopy. Furthermore, coatings can exhibit variation in perceived colour depending on gloss level and application method. If you require a very specific colour match, please make your selection via actual swatches and colour boards available at our showroom.

Product Disclaimer: Ensure you read all product, technical and safety data sheets prior to application as liability falls on the applicator. All products must be applied in accordance with manufacturer’s recommended method.

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