Installer benefits

  • Perfect for sealing low-pressure leaks and weeping joints
  • Easy to apply and clean up
  • Suitable for compression and screw fittings
  • Ideal for wet or dry surfaces
  • Easy to remove when required
  • Safe to use with drinking water
  • WRAS approved product

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Technical specifications

Physical and chemical properties

  • Appearance: Sealant
  • Colour: Milky white
  • Odour: Mild, Acidic
  • One-year guarantee
  • Ready-to-use compound
  • Cures in two hours
  • Resealable tube
  • WRAS approved
  • Suitable for use with hot or cold water

Dosage instructions

Maintain peak performance

1. Ensure water pressure has been relieved prior to application and during setting. Drain system if necessary
2. Clean and prepare surface before use for good adhesion
3. Carefully apply MCXS from the tube
4. Once applied the sealant can be moulded
5. For sealing burst pipes, Incorrect datasheet
6. Replace cap immediately after use
7. Allow a minimum of 2 hours and up to 12 hours for MCXS to set. Curing time dependent on amount applied, and can be accelerated by spraying with water


MC-XS may be used as a jointing compound on hot and cold water services, including potable water, in place of traditional materials. Reinforcement is generally not required, but reinforcement fibre may be used on larger pipe sizes. The use of reinforcement material is advisable for larger leaks and higher pressures.

MCXS can be used with a binding bandage to aid repair

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Safety
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Technical
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Homeowner benefits

  • 1-year guarantee
  • Ready to use compound
  • Cures in 2 hours
  • Resealable tube
  • WRAS approved
  • Suitable for use with hot or cold water

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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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