WEBERDRY PUR B2K | Bitumen-Polyurethane Based Super Elastic Waterproofing Membrane

06/07/2026

WEBERDRY PUR B2K | Bitumen-Polyurethane Based Super Elastic Waterproofing Membrane

WEBERDRY PUR B2K | Bitumen-Polyurethane Based Super Elastic Waterproofing

WEBERDRY PUR B2K is a two-component, bitumen-polyurethane based waterproofing membrane that offers outstanding flexibility, rapid curing, and long-lasting protection. Designed for demanding waterproofing applications, it provides seamless waterproofing for foundations, retaining walls, terraces, roofs, balconies, parking decks, bridge decks, and wet areas.

Its highly elastic formulation forms a continuous waterproof membrane on both horizontal and vertical surfaces, ensuring superior durability even under challenging environmental conditions.


What is WEBERDRY PUR B2K?

WEBERDRY PUR B2K is a:

  • Bitumen-polyurethane based waterproofing membrane
  • Two-component system (Component A + Component B)
  • Super elastic waterproofing material
  • Fast-curing formulation
  • Suitable for horizontal and vertical applications
  • Resistant to both positive and non-pressurized water exposure

Applications

WEBERDRY PUR B2K is recommended for:

  • Foundation waterproofing
  • Retaining walls
  • Terraces and flat roofs
  • Balconies
  • Parking decks
  • Bridge decks
  • Wet areas such as bathrooms and utility rooms
  • Areas requiring root-resistant waterproofing
  • Repair and renovation of existing waterproofing membranes

Product Advantages

  • Excellent performance on large terraces and deep foundations
  • Forms a seamless, super elastic waterproofing membrane
  • Easy application on complex architectural details
  • Maintains mechanical performance under severe weather conditions
  • Fast curing for shorter project completion times
  • Resistant to standing water and freeze-thaw cycles
  • Excellent resistance to detergents, oils, seawater, and common household chemicals
  • Long-lasting waterproof protection

Application Information

Application Tools

  • Brush
  • Roller
  • Notched trowel
  • Low-speed mixer

Application Temperature

  • +5°C to +35°C

Working Time

  • Approximately 30 minutes

Recommended Number of Coats

  • 2–3 coats

Waiting Time Between Coats

  • 12–72 hours

Initial Drying Time

  • 3–5 hours

Light Foot Traffic

  • After approximately 24 hours

Full Cure

  • Approximately 7 days

Coverage

Material consumption depends on the substrate type and the required application thickness. The manufacturer recommends calculating the required quantity using the official Consumption Calculator, as no fixed consumption value is specified in the technical data sheet.


Packaging

  • Component A: 20 L
  • Component B: 20 L

Warnings and Recommendations

  • Do not apply to substrates with a moisture content exceeding 5%.
  • Ensure the substrate is clean, sound, and properly prepared before application.
  • Follow the manufacturer's mixing ratios and application guidelines.
  • Protect freshly applied material from rain and adverse weather until initial curing has been completed.

Frequently Asked Questions (FAQ)

How many components does WEBERDRY PUR B2K have?

WEBERDRY PUR B2K is a two-component waterproofing system consisting of Component A and Component B.

Where can WEBERDRY PUR B2K be used?

It is suitable for foundations, retaining walls, terraces, balconies, parking decks, bridge decks, wet areas, root-resistant waterproofing applications, and the repair of existing waterproofing systems.

How many coats are recommended?

For optimum waterproofing performance, 2 to 3 coats are recommended.

What are the drying and curing times?

Initial drying occurs within 3–5 hours, the surface can withstand light foot traffic after approximately 24 hours, and full curing is achieved in about 7 days.

What is the recommended application temperature?

The product should be applied at temperatures between +5°C and +35°C.