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Cromar Elasta Thane 25 High Performance Waterproof Coating - 25kg

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£168.77 Incl. VAT
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This Cromar Elastathane 25 is a one-coat, rapid curing, polyurethane, liquid applied waterproof coating. Before applying this waterproof coating, cleaning of the substrate of loose material and jagged edges like stones etc. is required and if possible, use a vacuum. The better the surface, the better the finished result.

An application of 1.5 to 1.8kg per m² provides a 1.2mm membrane. A dry surface is needed and if the surface is wet do not apply the primer. If there are damp spots, dry with a gas torch or heat gun. Carefully and evenly apply the primer so that it does not pool with the necessity of 0.2kg per m². When using same day Elasta Thane rapid cure PU primer, you should allow it to dry for two to four hours depending on temperature and humidity. For perfect adhesion and chemical bonding, use the Elasta Thane 25 PU membrane as soon as the primer has dried.

Features & Benefits: Cromar Elasta Thane 25 High Performance Waterproof Coating - 25kg

  • One coating
  • Grey colour
  • 25kg weight
  • 1.5 to 1.8kg per m² coverage
  • Rapid cure
  • Waterproof
  • For use with Elasta Thane rapid cure PU primer or Elasta Thane super seal primer
  • 25-year life expectancy

If there will be a delay on application of the main coat due to rain or any other reason, apply the next day Elasta Thane super seal primer and wait 24 hours before applying the Elasta Thane 25 coating, allowing the primer to absorb and cure while anchoring itself to the substrate and providing seamless chemical bonding as well as adhesion. This primer has an excellent memory and will retain its chemical bonding long after the next day primer has been coated meaning that you can add the Elasta Thane 25 liquid membrane after a day/week/month but not until after 12 hours.

Standards & Certification

  • CE Marked

Please note:

  • Where there are weak areas, joints, upstands or corners etc. use the Elasta Tex scrim and apply wet on wet. If there are open joints or gaps then apply Cromar Polyflex PU sealant, this is required after the primer application and before the main coat.

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Questions & Answers


Can you put thinners in the elastathane 25 to make it more playable when the temperature is colder


Unfortunately not, that is not an option with this material.


Can this product be applied to a metal box gutter after priming.


I am afraid the suppliers advise this is not suitable for use in a metal box gutter, you may be better off with a product like Acrypol.

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