Hyperdesmo PB 2K®


Two-component - 1:1, polyurethane (A) : bitumen (B),
by volume - liquid membrane for waterproofing & protection.


HYPERDESMO®-PB-2K is a fast-curing, two-component, bitumen-extended polyurethane fluid. It produces a highly elastic membrane with strong adhesion to many types of surfaces and excellent mechanical and chemical resistance properties. 

It is based on a pure elastomeric hydrophobic polyurethane resin extended with chemically polymerised virgin bitumen.

Apply with brush, roller, spatula or airless spraying. Minimum consumption: 1.0-1.5 lt/m2.


Recommended for:

Waterproofing and protection of:

  • gypsum and cement boards

  • polyurethane insulation foams

  • asphalt membranes

  • EPDM membranes

  • bathrooms (under tiles)

  • verandas and balconies (under tiles)

  • flower pots and roof-top gardens

  • light roofing made of metal or fibrous cement

  • non-potable water tanks

  • basements

  • foundations

  • bridge platforms

  • "cut-and-cover" tunnels

  • irrigation channels

Shelf Life:

Can be kept for 12 months minimum in the original unopened pails in dry places and at temperatures of 5-25°C. Once opened, use as soon as possible.


1kg, 15kg, 20kg pails


Hyperdesmo PB


Features & Benefits

  • Components easily mixed, 1:1 by volume

  • no thinning required, but Solvent-01 may be used

  • fast curing

  • Thick, bubble-free, membrane possible

  • Being a two-component product means that the
    quantities not mixed can be stored for later use

  • Its low modulus gives it excellent substrate
    crack-bridging properties

  • Excellent adhesion on almost any surface, with or without the use of special primers.

  • Excellent thermal resistance, the product never turns soft. Max service temperature 80°C, max
    shock temperature 200°C.

  • Resistance in the cold: The film remains elastic even down to -40°C

  • Excellent mechanical properties, high elongation, tensile and tear strength, high abrasion resistance.

  • Good chemical resistance.

  • Good water vapor barrier properties

  • Can also be used as a joint sealant.



Apply with brush, roller, spatula or airless spraying. Minimum consumption: 1.0-1.5 lt/m2.


Plan for a recoat time of 6 to 24 hours between coats


For further details please refer to the


Technical Data Sheet:

Adobe PDF file icon 32x32