From our technical experts

Leakmaster Flexible Sealer & Leak Repair

  • Seals vinyl liner leaks & small cracks in concrete and render
  • Can be applied under water
  • FREE DELIVERY on this product


Leakmaster Flexible Sealer and Leak Repair
Seals vinyl liner leaks with or without patch
Seals between liner and face plates and fittings
Can be used as a thread sealant
Seals small cracks in concrete and render
Can be applied under water
Available in WHITE or BLUE
Manufactured by leak-repair specialists Anderson
Leakmaster is a nitrile-rubber based sealant which provides a strong adhesive bond to almost any surface
Leakmaster skins over in seconds, even under water, and can then be flattened into place leaving a strong but flexible repair which can fully cure in minutes depending on application.
WARNING: Read and follow instructions before use and for storage.

  • FREE DELIVERY on this product

Additional information


Leakmaster Flexible Sealer and Leak Repair – White, Leakmaster Flexible Sealer and Leak Repair – Blue

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Returns Policy

Your rights to return goods are protected under the EU Distance Selling Directive.

You are entitled to cancel your order and return the goods within 7 working days for a full refund not including the cost of delivery. Do this by contacting us by email or telephone and quoting the order number supplied to you. Your refund will be paid within 30 days. You are responsible for the cost and risk of loss or damage when returning the goods, so you should take out enough postal insurance to cover their value. This cancellation policy does not affect your rights when we are at fault - for example, if goods are faulty or incorrectly-described.

Exclusions: Bespoke items (made to measure items) are not included and cannot be returned. If a bespoke item is faulty then the product warranty /guarantee will take effect.

Any goods returned should be in saleable condition.

These terms apply to your order. We may change our terms and conditions at any time, so please do not assume that the same terms will apply in the future.

None of these terms affect your legal rights and these are not diminished in any way. If any term is held to be invalid under any applicable statute or rule of law, that term is automatically omitted from the terms to minimum extent necessary to comply with the law and without affecting the validity or enforceability of the remainder.