Dowsil C50 High Modulus Silicone (310ml) - White/Clear

Legacy Sealants is proud to stock DOWSIL™ C50, a professional-grade, high-modulus acetoxy silicone sealant. Engineered specifically for specialist contractors, this one-part formula reacts quickly with atmospheric moisture to create a robust, flexible silicone rubber seal. Whether you are working on high-traffic sanitary installations or general construction joints, the C50 provides a dependable, long-lasting finish.

Does the above seem too overwhelming? No need to panic! This material is not just for trade, and can be used easily for any DIY project you have on the go. See below for examples of usage.

Why Choose DOWSIL™ C50?

• Superior Elasticity & Strength: Its high-modulus nature ensures a tough, durable bond that can handle significant movement and stress.

• Rapid Setting: Minimise downtime with a formula that is tack-free in just 20 minutes (at 23°C), allowing for faster project completion.

• Built-in Anti-Mould Defence: Formulated with a powerful fungicide, this sealant actively inhibits the growth of mould and mildew, keeping surfaces hygienic and clean.

• Primerless Adhesion: Achieve excellent results on a variety of non-porous surfaces, including aluminium, glass, and painted woodwork, without the need for additional priming.

• Weather & UV Resistance: Capable of withstanding extreme temperatures (-50°C to +150°C), it remains stable and effective for both internal and external use.

• Certified Quality: Fully compliant with the international ISO 11600-F-20LM standard for high-performance sealants.

Versatile Applications

The DOWSIL™ C50 is a multi-purpose solution suitable for:

• Sanitary Ware: Perfect for sealing around baths, shower trays, basins, and urinals.

• Kitchens & Bathrooms: Ideal for grouting and sealing ceramic tile joints.

• Sterile Environments: Trusted for use in hospitals, laboratories, and clean rooms where hygiene is a priority.

• General Trade Use: A reliable choice for a vast range of industrial and construction sealing tasks.

Technical Specifications