Rubberised Bitumen Emulsion for Waterproofing and Damp-Proofing

Cromar Cromaprufe is a versatile, rubberised bitumen emulsion designed to prevent water ingress and dampness in walls and floors. Suitable for both interior and exterior applications, it provides a waterproof membrane on concrete and brick foundations, retaining walls, and bridge abutments. Additionally, it serves as an effective adhesive for wood block floors and mosaics, and offers a key for plaster on challenging surfaces.

Key Features & Benefits

Waterproofing: Forms a durable membrane to prevent water ingress and dampness.
Multi-Purpose: Suitable for use as an adhesive for wood blocks, mosaics, expanded polystyrene, and cork tiles.
Surface Preparation: Provides a key for plaster on difficult surfaces like gloss-painted walls and old tiles.
Protection: Shields concrete structures against sulphate attacks present in soils.
Easy Application: Can be applied by brush to damp (not waterlogged) surfaces.

Product Details

Colour: Brown upon application, dries to black.
Coverage: Approximately 2 m² per litre per coat.
Drying Time: Varies with temperature; ensure each coat is fully dry before applying the next.
Application Methods: Brush.
Storage: Store between 5°C and 40°C; protect from frost.
Shelf Life: Minimum of 12 months in tightly sealed containers.

Application Instructions

Surface Preparation: Ensure surfaces are sound, stable, and free from dust, dirt, grease, oil, and loose matter.
Dampening: For porous or hot dry surfaces, dampen with clean cold water before application.
Mixing: Stir well before use.
Application: Apply by brush. Do not apply to external surfaces in wet weather or if rain is threatened.
Ventilation: Ensure good ventilation in confined areas.
Multiple Coats: In multi-coat applications, allow each coat to dry completely before applying the next.

Limitations

Not advised for interior walls below ground level due to potential exposure to free water or water pressure.
Do not apply when rain is imminent.
Avoid using gloss paints or oil-based products over Cromaprufe.

Cleaning of Tools

Clean tools with warm water before Cromaprufe sets. Once set, remove as much bitumen as possible by scraping, then clean with white spirit.

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