MCXS® 
External Leak Sealer and Jointing Compound

High performance, fast acting silicone paste for use as a leak sealant and jointing compound is your next best friend. Designed to help you stop leaking joints quickly and easily, MCXS provides the perfect seal without setting hard, so undoing joints later isn't a problem.

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MC4 internal leak sealer

Our highly concentrated MC4 is an incredibly effective way to deal with small leaks. Protecting and sealing from the inside, it can infiltrate really hard to reach places, reducing the need for a more costly repair. 
One dose could be all it takes to fix the leak and restore pressure.

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