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Mariseal 250

Mariseal 250
Mariseal 250Mariseal 250Mariseal 250
Mariseal 250Mariseal 250
€0.00 Inc. VAT :  CALL

Product Code:  MARISEAL2501KG
Brand:  Maris Polymers

Mariseal 250 is a premium, one component permanent elastic, liquid-applied polyurethane coating that cures to a seamless, high elastic waterproofing membrane. It is used for long lasting waterproofing.

Due to its high technology properties, this product solves waterproofing problems where other methods fail, such as stagnating water, frost, humidity, long term sun exposure, etc.

Available in 6kg and 25kg tins

Available in colour: Blue Grey



  • Simple application.
  • When applied, forms a seamless membrane, without joints.
  • Certified for 25 years expected life span (EOTA, DIBt).
  • Resistance to water.
  • Crack-bridging up to 2mm, even at -10 oC.
  • Maintenance of its mechanical properties over a temperature span of -30 oC to +90 oC.
  • Provides water vapor permeability.
  • Provides full surface adhesion.
  • Provides sun reflectivity, contributing to thermoinsulation.
  • Provides anti-root properties.
  • The waterproofed surface can be used for medium to heavy pedestrian traffic, depending on the Mariseal System top-coat.
  • Resistant to detergents, oils, and common chemicals.
  • Easy local repair, if the membrane is mechanically damaged.
  • Low cost.

Uses & Applications

  • Roofs, Balconies, Terraces
  • Pedestrian Decks, Plazas
  • Vehicular Decks, Roof Car Parks
  • Wet areas (bathrooms, kitchens, balconies)
  • Planter boxes, Green roofs
  • Protection over PUR-spray foam
  • Cocnrete protection, Bridge-decks, etc.


Levels of use categories according to ETAG 005

Working Life: W3 25 years
Climate zone: M and S North and South Europe
Imposed loads: PI to P4 High pedestrian & vehicle traffic
Dachneigung: SI bis S4 Roof slope from <5o to >30o
Lowest surface temperature: TL4 -30oC
Highest surface temperature: TH4 +90oC
Reaction to fire: Class E EN 13501, DIN 4102-1 and -7
Resistant to wind loads: >50 kPa Resistant to all wind loads.

Available in 6kg and 25kg tins

Available in colour: Blue Grey


Mariseal Roof Waterproofing Application Video




Mariseal 250 was tested by the German state testing institute for construction materials MPA-Braunchsweig according to the European Union Directive for liquid-applied roof waterproofing kits ETAG 005 and was found conforming.

Mariseal 250 was certified by the German state Institute for construction techniques DIBt-Berlin with the European Technical Approval (ETA) and with the CE-mark and certification.

Mariseal was accordingly tested and approved:

DIN 1928, which classifies it as a waterproofing coating.

DIN 4102 part I, which classifies it as a B2 fire rating construction material.

DIN 4102 part 7, which classifies it as a surface coating resistant to flying sparks and radiating heat.


Mariseal 250 has also been tested and certified in many countries around the world according to local and national regulations and norms.


Products ordered from our online store are delivered from Monday - Friday each week, except for Bank Holidays. We aim to have all orders that leave our store delivered to you within 2 working days. Please note that some products may have specific lead times, which may affect the time it takes to receive your order.

We offer nationwide delivery anywhere in Ireland.


Small shipments

Parcel (Max 20kg):


Delivery Weight Nationwide Rates
Up to 20kg €9.00


Large shipments (pallets):


  Pallet Weight Nationwide Rates
Quarter Pallet (Max 250kg) €40.00
Half Pallet (Max 500kg) €45.00
Full Pallet (Max 1000kg) €50.00
2 x Full Pallets (Max 2000kg) €96.00
3 x Full Pallets (Max 3000kg) €138.00
4x Full Pallets (Max 4000kg) €176.00

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    Order online or call our Sales Team:
01 621 5677