Uses
This product is used to protect concrete surfaces from damage caused by aggressive soils and the subsequent backfill, such as in:
- Retaining walls
- Basements
- Columns
- Foundations
Characteristics / Advantages
As a coating, Sika Bitumen®-W offers the following benefits:
- Easy application via brush, roller, or airless spray
- No need for heating during application
- Higher coverage rates
- Strong adhesion to most building surfaces
- Excellent resistance to aggressive chemicals and salts
Approvals / Standards
- ACI 515 IR-79: Guide for waterproofing, damp proofing, and protective barrier systems for concrete (Sections 2.1.1, 2.1.2, and 2.1.3)
- ASTM D1227, Type 3, Class 1
- Tested according to SCAQMD Rule 1168, with VOC content of 0 g/l
Product Information
- Chemical Base: Bituminous Emulsion
- Packaging: 14 kg pails and 200 kg drums
- Colour: Black
- Shelf Life: 12 months from production date if stored in its original, unopened packaging
- Storage Conditions: Store in dry conditions, with a maximum temperature of 45°C
- Density: 0.9 ± 0.05 kg/l
Application Information
- Consumption: 0.4 – 0.6 kg/m² for two coats, depending on substrate porosity
- Waiting Time / Overcoating: Minimum 2 hours (varies with temperature)
Ecology, Health, and Safety
- Ecology: In liquid form, the product can contaminate water and soil. Dispose of residues according to local regulations.
- Safety Precautions: Sika Bitumen® may irritate the skin and mucous membranes of sensitive individuals. In case of eye contact, rinse immediately with warm water and seek medical advice. Always wear protective gloves and goggles during mixing and application.
Application Instructions
- Substrate Preparation: Ensure surfaces are clean and free from grease, oil, standing water, or any loose particles.
- Mixing: Stir the material before application.
- Application Method / Tools: Apply using a brush, roller, or airless spray gun.
- Typically, two or three coats are needed, depending on the level of protection required.
- If the final coat of Sika Bitumen® is to be covered with screed, apply clean, dry sharp sand immediately after application. After the coating has dried, brush off any excess sand.
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