Aqueous Bitumen

Antel Aqueous Bitumen Emulsion is a high quality liquid bitumen emulsion of brushable or trowelling consistency.  It dries giving a tough and resilient film that will waterproof, weatherproof and protect.  The coating has excellent adhesion properties to most building materials with more than adequate resistance to running or slumping with changes of temperature.

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1. DESCRIPTION

Antel Aqueous Bitumen Emulsion is a high quality liquid bitumen emulsion of brushable or trowelling consistency.  It dries giving a tough and resilient film that will waterproof, weatherproof and protect.  The coating has excellent adhesion properties to most building materials with more than adequate resistance to running or slumping with changes of temperature.

2.  USES

Particularly recommended for application to the following:-
Foundations, retaining walls and similar 
Structures liable to be back filled.
Concrete columns and beams.
Concrete or defective asphalt roofs.
Iron and steel against rust and corrosion.

3.  PACKAGING   

22.5 litre non returnable plastic containers.

4.  COVERAGE

Approximately 1m² per litre of liquid bitumen.

5.  STORAGE       

Keep containers tightly closed when not in use and store in warm dry conditions.  Protect liquid bitumen from freezing.  Keep out of reach of children.   

6.  HEALTH & SAFETY

If liquid bitumen gets in contact with the eyes wash copiously with water for at least 15 minutes and obtain medical attention.  Prolonged or repeated contact with the skin can cause irritation.  Wash contaminated skin immediately with hand cleaner and soap and water.  Harmful if taken internally - seek medical attention immediately.  DO NOT INDUCE VOMITING.

Please refer to Aqueous BitumenHealth and Safety data sheet for complete details.

7.  PHYSICAL DATA

Colour  Brown, black when dry.
Appearance Paste
Physical state  Viscous bitumen emulsions
Odour   Faint Bitumen
Flash Point Above 200°C (dried product)
Solubility  Insoluble.  Dispersion in water can occur.
Flammable Non Flammable
Conditions to avoid   Temperature at or near 100°C
Materials to avoid      Unstable in contact with acidic, cationic materials, electrolytes.











                   

8. INSTRUCTIONS FOR USE

Surface preparation 
Concrete surfaces must be clean and free from all forms of contamination.  No sharp angles should be covered, cove the angles prior to application.

Covering of existing expansion joints 
For covering of existing expansion joints it is important that the following steps are taken.
Apply a coat of Aqueous Bitumen Emulsion 75mm wide either side of the joint but short of the joint by 
5mm.  Bed a length of fibre glass scrim into the uncured emulsion and allow to dry.  A further coat of emulsion is then brushed over the entire treatment.  The final coatings are applied in accordance with the full specification.

Foundations, retaining walls and similar structures prior to back filling. 
Surfaces must be made good.  In order to achieve this it is recommended that a cementitious treatment incorporating Antel Waterproof Bonding Agent is used.  Apply two coats of Aqueous Bitumen Emulsion at the rate of 1m² per litre coat, allowing sufficient drying time between coats.
Care must be taken to ensure that the application links up with any Damp proof Courses.  Whilst the second coat is still tacky a layer of building paper should be placed in position to protect the coating during back filling.  The applied coatings must be allowed at least 48 hours to dry prior to back filling.

Concrete columns or beams 
After preparation apply two coats of Aqueous Bitumen Emulsion at the rate of 1m² per litre coat.  Allow the first coat to dry prior to the application of the second coat.  Whilst the second coat is still tacky it must be completely blinded with clean sharp sand.  Allow to cure and gently brush excess sand from the surface prior to the final cladding.

Concrete or defective asphalt roofs. 
(After treatment of any expansion joints as detailed earlier)

Priming - Prime the entire surface with a solution of Aqueous Bitumen Emulsion diluted with 10 parts water.  Allow to dry.
Apply the first coat of Aqueous Bitumen Emulsion at a rate of 1m² per litre.  Whilst applying the coating a reinforcement of fibre glass scrim or rot proof hessian is laid on the wet coating and a further application of emulsion is brushed into and over the reinforcement.  Allow to dry.  Apply a second coat at the same rate and if required blind of with clean sharp sand.

Protection of iron and steel 
Thoroughly prepare the surfaces to remove all traces of rust, scale or other forms of contamination.  Apply two coats of Aqueous Bitumen Emulsion at the rate of 
1m² per litre coat allowing the first coat to dry prior to the application of the second coat

Special instructions

Protect from frost.

Do not apply Aqueous Bitumen Emulsion if rain is 
expected.  The drying time will be affected and some 
material may be washed into drains and watercourses.

Allow adequate drying time between coats or intercoat 
delamination may occur.

Apply the second coat or subsequent coats at right angles to the previously coats.  This ensures complete coverage and protection.

Clean off tools and equipment in clean water to which a 
small amount of detergent has been added.

Spills or splashes should be washed off immediately with clean water.  Once dried it will be necessary to use White Spirt or Turps substitute.

Aqueous Bitumen Emulsion is a highly viscous material but may be easily brush applied.

Use as supplied - it should not be necessary to thin the 
emulsion prior to use.

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Aqueous Bitumen

Antel Aqueous Bitumen Emulsion is a high quality liquid bitumen emulsion of brushable or trowelling consistency.  It dries giving a tough and resilient film that will waterproof, weatherproof and protect.  The coating has excellent adhesion properties to most building materials with more than adequate resistance to running or slumping with changes of temperature.

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