Weber Ebertec 905 | Bitumen-Based UV-Resistant Liquid Waterproofing Membrane

06/07/2026

Weber Ebertec 905 | Bitumen-Based UV-Resistant Liquid Waterproofing Membrane

Weber Ebertec 905

Weber Ebertec 905 is a bitumen-based, solvent-based, fiber-reinforced liquid waterproofing membrane designed for professional waterproofing applications. It is ideal for renovating old bituminous membranes and protecting concrete roofs, metal roofs, and zinc gutters. Its UV-resistant formulation ensures long-lasting performance even under direct sunlight.

Technical Specifications

  • Chemical Composition: Bitumen-based, solvent-based, fiber-reinforced
  • UV Resistance: Excellent resistance to sunlight and UV exposure
  • Chemical Resistance: Resistant to acids, alkalis, and various chemicals
  • Packaging: 33 L containers
  • Application Areas: Walls, floors, roofs, and gutters

Applications

Roofs

  • Renovation of old bituminous waterproofing membranes
  • Long-term protection for metal roofs
  • Waterproofing and protection of zinc roof gutters

Concrete Surfaces

  • Waterproofing for terrace roofs
  • Suitable for both vertical and horizontal concrete surfaces

Structural Protection

  • Prevents water and moisture from damaging building structures
  • Suitable for industrial facilities thanks to its chemical resistance

Advantages

  • Fiber-reinforced formula with excellent crack-bridging performance
  • Easy-to-apply liquid waterproofing system
  • UV-resistant for long-lasting outdoor protection
  • High resistance to chemicals and weather conditions
  • Suitable for both new and existing surfaces

Application Steps

  1. Clean the surface thoroughly by removing dust, dirt, oil, and loose particles.
  2. Stir the product until a uniform consistency is achieved.
  3. Apply using a brush, roller, or spray equipment.
  4. Apply a second coat after the recommended drying time.
  5. Once fully cured, the surface is protected against water, UV exposure, and chemical attack.

Warnings and Recommendations

  • Ensure the surface is clean and completely dry before application.
  • Provide adequate ventilation during application due to the solvent content.
  • Do not apply in freezing temperatures or where frost is expected.
  • Follow the manufacturer's recommended coverage rates.

Frequently Asked Questions (FAQ)

1. Where can Weber Ebertec 905 be used?

It can be applied to old bituminous membranes, concrete roofs, metal roofs, zinc gutters, as well as walls and floors.

2. Is the product UV resistant?

Yes. It offers excellent resistance to UV rays and provides long-lasting outdoor durability.

3. How is it applied?

It can be applied using a brush, roller, or spray equipment. The substrate should be clean and dry before application.

4. What is the packaging size?

The product is supplied in 33-liter containers.

5. Is it resistant to chemicals?

Yes. It provides excellent resistance to acids, alkalis, and a wide range of chemical substances.