Crommelin Cemproof Ultra Flex 300 Waterproofing Membrane- 20Kg Grey

Description

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 designed for rapid re-coating and tile-over readiness within 12 hours. Perfect for balconies, bathrooms, swimming pools, and planter boxes, this Class III waterproofing solution ensures lasting durability and UV resistance.

Formulated for positive side waterproofing, Cemproof Ultra Flex-300 bonds strongly to various substrates, making it ideal for interior and exterior applications, including damp areas. Its easy 1:1 mixing ratio simplifies preparation, ensuring 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 – Accommodates structural movement.
• Highly durable & UV resistant – Suitable for indoor and outdoor use.
• Easy 1:1 mixing ratio – Simple preparation for fast application.
• Damp surface application – Bonds well to moisture-prone substrates.
• Compatible with cement-based tile adhesives – Meets AS 2358 standards for strong bonding.

Where Can You Use Cemproof Ultra Flex-300?

• Bathrooms & wet areas – Waterproofs shower recesses and tiled spaces.
• Balconies & podium decks – Protects against water damage.
• Swimming pools & planter boxes – Ensures a waterproof seal in submerged environments.
• Interior & exterior surfaces – Suitable for above-ground and damp areas.

Application & Preparation:

• Ensure the surface is clean, sound, and free from contaminants.
• Mix parts A & B in a 1:1 ratio until a smooth consistency is achieved.
• Apply two coats using a brush, roller, or spray.
• Allow proper curing before tiling or exposure to water.

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

Need expert advice? Contact us for guidance on the best waterproofing solution for your project.

Please read all technical datasheets before application.

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.