MCXS® External Leak Sealer and Jointing Compound

The NEW external leak sealer 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.

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

Sample text. Click to select the text box. Click again or double click to start editing the text.

Safety
Data Sheet

Download

Technical
Data Sheet

Download

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

Enter your postcode to find your nearest merchant.

Get straight to the products you need in a few clicks.

Find a Stockist

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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.

Installer Benefits

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

Sample text. Click to select the text box. Click again or double click to start editing the text.

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

MCXS can be used with a binding bandage to aid repair
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.

Sample text. Click to select the text box. Click again or double click to start editing the text.

Safety
Data Sheet

Download

Technical
Data Sheet

Download

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

Get straight to the products you need in a few clicks.

Find a Stockist

Enter your postcode to find your nearest merchant.

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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MC4 internal leak sealer

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