Bitumen Waterproofing

Monneli Conseal

Highly Rubberized, Bitumen Emulsion

Conseal is used:
As a superior protection for underground concrete (e.g. foundations, retaining walls manholes) against soil acids and salty water.
Protective coating for steel work and pipes.
Protective lining for gutters carrying diluted acid, alkalis and similar effluents.
For maintenance of many type of roofs including built-up felt, zinc, concrete and lightweight screeds.
To provide a waterproofing membrane in wet areas such as kitchen and bathroom floors.
Suitable for polystyrene and polyurethane panels gluing to concrete or block surfaces.
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Technical Information
Product Description

A superior quality of high solid bitumen emulsion and rubber content. The dried film of CONSEAL is tough, seamless and extremely elastic. It forms an efficient waterproofing coating which withstands both minimum and maximum ambient temperatures without cracking, running or slumping.

  • Excellent resistance to soil chemicals and salt solutions
  • Excellent elasticity and can accommodate small amount of movement
  • Excellent adhesion to most building surfaces
  • Non-flammable, odorless and free of health hazards
Compiliance Standard
  • BS 6949
  • ASTM C 309 - 96
Packaging, Coverage / Consumption


CONSEAL is available in 20 Liter Pails and 200 Liter Drums



1m2 / 2.3 liter at 1.5mm thickness

Shelf Life & Storage


CONSEAL drums should be sealed and stored away from direct sunlight.


Shelf life:

12 months in tightly sealed containers if stored properly.

Dark brown
Technical Properties



Dark brown dries

to seamless

black coating


1.1 kg /L

Solid content

> 60%



Flash point


Rubber content

Approx. 15%

Service temperature

– 5°C to +80°C

Chemical resistance

Excellent resistance
to water, salt,
dilute acid and alkalis

All values are subject to 5-10% tolerance

Application Information
Instructions for use

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.


CONSEAL shall be applied by brush or squeegee at a rate of 1m²/2.3 liter  to reach a minimum total dry film thickness of 1.5mm. Coats must be applied at right angles to one another with a minimum of 6 hour intervals between each application at 25°C to achieve the desired thickness. Each coat must be completely dry before the next coat is applied


CONSEAL products should be removed from tools, equipment and mixers with clean water prior to the initial set. Cured material can only be removed mechanically.


  • Do not apply subsequent applications if the membrane is punctured or damaged.
  • When spraying CONSEAL, it is recommended to dilute it with 10% clean water.
Additional Information
Health & Safety

CONSEAL 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, wash 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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