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Swimming pools pu | Mariseal 300

Mariseal 300

A liquid-applied, solvent-free, hard-elastic, cold applied and cold curing, two component polyurethane membrane used for long-lasting waterproofing and protection. Mariseal 300 is used for waterproofing of surfaces in direct contact with potable (drinking) water. Cold applied and cold curing, it cures by reaction (cross-linking) of the two components and is ideal for the waterproofing of drinking water supply channels, water pipes, water tanks, reservoirs and the odourless waterproofing of wet areas (under-tile) in bathrooms, swimming pools and kitchens etc.


  • BS 6920-1:2014 Certified for safe use in potable (drinking) water reservoirs
  • Forms a seamless membrane
  • Resistant to water, heat and frost
  • Maintains mechanical properties over temperature span of -30°C to +90°C
  • Remains elastic even at low (frost) temperature
  • Full surface adherence
  • The waterproofed surface can be walked on
  • Low cost

Call us on 01202 785200