Chema Proof 109
Chema Proof 109 is a two-component waterproofing system made of a cement-based powder and an acrylic resin, mixed on-site. With flexible mixing ratios, it delivers permanent waterproofing, excellent adhesion, and weather resistance for various construction applications such as roofs, tanks, swimming pools, and facades.
Category Construction Composite Materials
Chema Proof 109 is one of Chema Foam‘s products, it’s a two-component waterproofing system made of a cement-based powder and an acrylic resin, mixed on-site. With flexible mixing ratios, it delivers permanent waterproofing, excellent adhesion, and weather resistance for various construction applications such as roofs, tanks, swimming pools, and facades. Also, it provides high elasticity and crack resistance
Properties
flexible
Permanent waterproofing solution
weather resistance
Vapor permeable
Excellent adhesion properties
Non-toxic and eco-friendly
High resistant to chloride ion diffusion
Ideal for coating small movement cracks
Economical
Can be easily repaired
Areas of Use
Roofs and facades
Water tanks
Sewage and seawater channels
Walls
Landscaping features and planters
Technical Data
| Description | Specification / Standard | Unit | Value |
|---|---|---|---|
| Compressive Strength | ASTM C109 | N/mm² | 40.57 |
| Adhesion Strength | ASTM C321 | N/mm² | 1.22 |
| Water Permeability (+,–) | CRD C48 / EN 123908 | – | Impermeable up to (+5) bars |
| Flexural Strength | ASTM C580 | N/mm² | 13 |
| Crack Bridging | ASTM C1305 | – | Maximum 1.5 mm movement (No failure) |
| Elongation at Break | ASTM D412 | % | 59.13 |
| Theoretical Consumption Rate | – | kg/m² / 2 layers (2 mm thickness) | 2.5 (depends on surface) |
| Tensile Strength | ASTM D412 | N/mm² | 3.85 |
Installation & Coverage
• Mixing Ratio: 3:1 (15kg powder: 5kg resin)
• Coverage: 20kg kit covers ~8 m² at 2mm thickness (2 layers).
Application Steps:
1. Clean the surface thoroughly.
2. Mix powder and resin components until uniform.
3. Apply the first coat and allow it to dry.
4. Apply the second coat (1mm) perpendicular to the first.
Packaging
Chema Proof 109 is supplied as a 20kg kit (15kg powder + 5kg resin).
Storage & Shelf Life
• Store in a clean, dry area, away from humidity, sunlight, and extreme temperatures.
• Shelf life: 12 months in unopened original packaging.
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