Epoxy Waterproofing Flex Membrane Resin


ECE-WM is a solventless, 100% solid, two component, epoxy-polyurethane membrane. ECE-WM is a seamless impermeable membrane coating, which was specifically designed to protect substrates against water infiltration. This membrane exhibits high elongation and a high resistance to tearing. This system has been approved by the Canadian Food Inspection Agency (CFIA). It meets LEED standards.

$320.234.2 Gallon Kit


Primary Applications

  • Parking deck on structural concrete slabs
  • Balcony terraces
  • Mechanical rooms
  • Etc.


  • Contains no solvent with a very low VOC content, allowing for interior applications without harmful odors
  • Impermeable and seamless
  • Seamless coves can be shaped
  • Superior flexibility
  • Excellent adhesive properties, allowing for application on a wide variety of substrates
  • May apply several layers on itself with excellent adhesion

Technical Data

Packaging litres / gal us Color
11.34 l / 3 15.9 l / 4.2 56.7 l / 15 Part A Part B Mixture
Recommended Thickness On request Clear – Amber On request
ECE-WM 20-30 mils / 53-80 ft² us gal Shelf Life
12 months in original unopened factory sealed containers. Keep away from extreme cold, heat, or moisture. Keep out of direct sunlight and away from fire hazards.
Mix Ratio by volume
A : B = 2 : 1
*Please note that the indicated mileage is calculated for flat surfaces. A porous or imperfect surface will require more material in order to cover the same mileage.
ECE-WM complies with the following LEED requirements
IEQ Credit 4.2: Low emitting materials; Paints and coating
SCAQMD Method 304-91
VOC content < 110 g / L
Pot life (150g) VOC (g/litre) Density (kg/litre)
40 – 50 minutes 25°C 43.78 Part A Part B Mixture
Solids by weight % Recommended Thinner Clear : 1.07-1.10 0.94 – 0.96
100% xylene
Substrate Temperature 10°C 20°C 30°C
Waiting Time / Overcoatability (min / max) 16 / 48 8 / 24 6 / 24
Curing Details Foot traffic 30 hours 24 hours 16 hours
Light traffic 5 days 3 days 2 days
Full cure and chemical resistance 10 days 7 days 5 days
*Note: Times and data mentioned are based on laboratory conditions. Field results may vary and will be affected by changing ambient conditions, especially changes in temperature and relative humidity.