Bitumen Waterproofing

Monneli Asfabit RB

Flexible, Rubberized Bitumen Emulsion

To provide a sandwich membrane between screed flooring
A waterproofing coat for concrete foundations, bricks, retaining walls, etc.
It can be used as a waterproofing for walls and floors including wet areas
For maintenance of many types of roofs including built up felt, Aluminum, concrete, lightweight screed, timber, slate, asbestos, bitumen sheets, etc.
As a vapor/ salt barrier for exterior walls to building facades behind granite, marble, stone, cladding, curtain walls, etc.
Can be used as adhesive for insulation boards and expanded polystyrene
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Technical Information
Product Description

ASFABIT RB is a cold applied rubberized bitumen emulsion in dark brown color that, when dries, it forms tough black seamless and flexible coating.

  • Water based with excellent adhesion
  • Non-flammable
  • Easily applied by brush or squeegee
  • Excellent resistant to alkalis, mild acids, and Chlorine
  • Compatible with all bituminous products
Compiliance Standard
  • ASTM D 1187, D 2939
  • BS 8102
Packaging, Coverage / Consumption

ASFABIT RB is packed in 200 Liter Drums.

Consumption: 2 to 4 m² / liter

Shelf Life & Storage

ASFABIT RB should be stored under cover away from extreme heat, direct sunlight or frost. Shelf life is 12 months in stored tightly sealed containers under good storage conditions.

Technical Properties

dark brown dries to seamless black coating

Density at 25⁰C

 1.0 kg/L

Solid Content

 > 50%


15 g/L

Rubber Content




Water Resistance


Chloride resistance


Flash point

non flammable

Application temperature

+5ºC to +35ºC

Service temperature

–5°C to +80°C

Application Information
Instructions for use


Hot, very dry or porous surfaces should be primed before applying ASFABIT RB.


ASFABIT RBL should be stirred before use until a uniform color and consistency is achieved. Product is ready for use.


For waterproofing underground structures, the bituminous emulsion shall be applied by brush or squeegee at a maximum rate of 200 microns per coat. The two coats must be applied at right angles to one another with a minimum of 6 hour intervals between each application at 25°C. Each coat must be completely dry before the next coat is applied.


Clean the tools immediately after use with clean water. During work, it is recommended to place the tools in water while not in use. Cured material can be removed mechanically.


Do not apply subsequent applications if the membrane is punctured or damaged.

Surface Preparation

The surface of the concrete shall be sound, clean and uncontaminated.

This preparation shall be such as to leave a sound exposed concrete surface free from dust, loose particles and any deleterious matter. If the concrete surface is defective or has laitance, it must be cut back to a sound base.

Moss and lichen must be removed physically followed by treatment with fungicidal wash. After treatment, it must be washed down thoroughly with clean water and allow to dry.

Additional Information
Health & Safety

ASFABIT RB is non-flammable, non-hazardous product. However, proper measures should be taken during work to avoid contact with eyes or skin. In the event of contact with eyes, irrigate immediately with clean water and seek medical care.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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