PURTOP EASY DW

Mapei

PURTOP EASY DW

Two-component elastic polyurethane membrane for waterproofing drinking water tanks
SKU: MAPEI-PURTOP-EASY-DW-957

About this itemMAPEI CERTIFIED

  • Elasticity and Durability: Purtop Easy DW forms a flexible membrane with elongation at failure >100% and tensile strength >8 N/mm² (ISO 37). TWO-COMPONENT POLYURETHANE MEMBRANE
  • Crack-Bridging Properties: Offers excellent crack-bridging capabilities, achieving Class A4 for static crack-bridging at -10°C and Class B4.1 for dynamic crack-bridging at +23°C (EN 1062-7). COMPLIANT WITH EN 1504-2 STANDARDS
  • Chemical Resistance: Resistant to water, 10% hydrochloric acid, 10% sulfuric acid, 10% sodium chloride, and 20% NaOH under continuous exposure. SUITABLE FOR DRINKING WATER TANKS
  • Waterproofing Performance: Achieves no water penetration under 1.5 bar pressure for 7 days (EN 14891-A.7). MAPEI CERTIFIED

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Uses & Advantages

Primary Uses

  • Waterproofing storage tanks for drinking water
  • Sealing canals, tunnels, and hydraulic structures
  • Application on concrete, cementitious screeds, and metal substrates

Key Advantages

  • Forms a seamless, elastic, and durable membrane
  • Easy to apply on horizontal, vertical, and sloping surfaces
  • Does not require reinforcement
  • Complies with EN 1504-2 coating standards for concrete protection

FEATURES & BENEFITS

TECHNICAL DATASHEET SPEC

Elasticity and Durability

Purtop Easy DW forms a flexible membrane with elongation at failure >100% and tensile strength >8 N/mm² (ISO 37).

Crack-Bridging Properties

Offers excellent crack-bridging capabilities, achieving Class A4 for static crack-bridging at -10°C and Class B4.1 for dynamic crack-bridging at +23°C (EN 1062-7).

Chemical Resistance

Resistant to water, 10% hydrochloric acid, 10% sulfuric acid, 10% sodium chloride, and 20% NaOH under continuous exposure.

Waterproofing Performance

Achieves no water penetration under 1.5 bar pressure for 7 days (EN 14891-A.7).

Thermal and Mechanical Properties

Service temperature range from -20°C to +50°C, with a Shore A hardness of 85 and impact strength of Class II (≥10 Nm).

Purtop Easy DW is a two-component liquid polyurethane waterproofing membrane designed for use in hydraulic works, including drinking water tanks, canals, and tunnels. Developed in MAPEI's R&D laboratories, it forms a seamless, elastic, and durable membrane with excellent crack-bridging properties. The product is compliant with British Standards 6920 and Italian Ministerial Decree 174/04, making it safe for contact with drinking water.

Key Specifications

Origin: UAE
Mixing Ratio (Component A: Component B12.2:2.8
Pot Life30 minutes at +23°C
Application Temperature Range+5°C to +35°C
Service Temperature Range-20°C to +50°C
Consumption2.5 kg/m² for a 2 mm dry coat thickness
Waiting Time Between Coats56 hours at +23°C and 50% R.H.
Packaging / Pack SizePurtop Easy DW is available in metallic drums. Component A: 12.2 kg drums. Component B: 2.8 kg drums.
Certified standard values under UAE climate conditions.

Key Performance Benefits

  • Elasticity and Durability

    Purtop Easy DW forms a flexible membrane with elongation at failure >100% and tensile strength >8 N/mm² (ISO 37).

  • Crack-Bridging Properties

    Offers excellent crack-bridging capabilities, achieving Class A4 for static crack-bridging at -10°C and Class B4.1 for dynamic crack-bridging at +23°C (EN 1062-7).

  • Chemical Resistance

    Resistant to water, 10% hydrochloric acid, 10% sulfuric acid, 10% sodium chloride, and 20% NaOH under continuous exposure.

  • Waterproofing Performance

    Achieves no water penetration under 1.5 bar pressure for 7 days (EN 14891-A.7).

  • Thermal and Mechanical Properties

    Service temperature range from -20°C to +50°C, with a Shore A hardness of 85 and impact strength of Class II (≥10 Nm).

Storage & Handling Guidelines

  • Store in original unopened container in cool, dry indoor conditions.
  • Keep away from direct sunlight, rain, and extreme heat.
  • Shelf life is 12 months when stored properly between +5°C and +35°C.
Product packaging

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FREQUENTLY ASKED QUESTIONS

Q&A TECHNICAL HUB
The consumption rate is approximately 2.5 kg/m² for a 2 mm dry coat thickness. Consumption may vary on uneven surfaces.

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