Bitumen Waterproofing

Monneli Conseal

Highly Rubberized, Bitumen Emulsion

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

CONSEAL is 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

Consumption: 1m2/2.3 liter at 1.5mm thickness

Shelf Life & Storage

CONSEAL drums should be sealed and stored away from direct sunlight. Shelf life is 12 months in tightly sealed containers if stored properly.

Technical Properties

dark brown liquid drying to highly elastic back coating


1.1 kg /L

Solid content

>  60%



Flash point


Rubber content


Service temperature

– 5ºC to +80ºC

Chemical resistance

excellent resistance to water, salt, dilute acid and alkalis

Drying time at 25ºC

6 – 8 hours per coat

Application Information
Instructions for use

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


  • 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
  • For highly porous structure, a additional coat of CONSEAL is recommended and if desired, blind the coat with clean sharp sand as a protection against site traffic and/or to provide a key for top screed
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

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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