Chema Proof 111 Elastic waterproofing cement set from Chema Foam, showing a 20kg blue bag and a 10L liquid container, designed for high elasticity, crack bridging, and weather resistant waterproof applications  used for bonding, plastering, and waterproofing applications, labeled in English and Arabic

Chema Proof 111

Chema Proof 111 is a two-component, polymer-modified high elastic waterproofing slurry designed to provide superior protection and flexibility. With excellent adhesion, weather resistance, and crack-bridging capability, this waterproofing system ensures long-lasting performance in demanding applications such as swimming pools, water tanks, and concrete structures. Its advanced formula makes it ideal for both new projects and renovation work, including application over old tiles.

Category          Construction Composite Materials

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Chema Proof 111 is one of Chema Foam‘s products, it combines the durability of a cement-based powder with the flexibility of a polymer resin, creating a high-performance waterproofing slurry. It is non-toxic, requires no additional water, and is easy to apply, offering excellent adhesion and resistance to hydraulic pressure. Suitable for both horizontal and vertical surfaces, this waterproofing solution provides reliable protection even under severe conditions.

Properties
• Two-component, polymer-modified formulation.
• High elasticity for crack-bridging performance.
• Excellent adhesion and weather resistance.
• Non-toxic, safe for use in potable water applications.
• Easy mixing and application without added water.
• It is impermeable to water up to 5 bars.

Areas of Use

• Waterproofing water tanks, swimming pools, and concrete pipes.
• Protection of structures under hydraulic pressure.
• Coating bridge parapets and exposed concrete surfaces.
• Elastic protective layer over concrete and old tiles.

Technical Data

PropertySpecificationValue
Compressive StrengthASTM C10944.27 N/mm²
Adhesion StrengthASTM C3211.45 N/mm²
Flexural StrengthASTM C580>17 N/mm²
Tensile StrengthASTM D4127.34 N/mm²
Elongation at BreakASTM D41275.7%
Crack BridgingASTM C13051.5 mm
Water PermeabilityEN 12390-8Impermeable up to 5 bars
Mixed Density2 kg/l
Consumption Rate2 kg/m² for a 2 mm coat (2 layers)

Packaging:
Supplied as a 30 kg kit:
• 20 kg powder bag
• 10 kg resin container

Installation & Coverage
• Mixing Ratio: 2:1 (20 kg powder: 10 kg resin).
• Coverage: One 30 kg kit covers approx. 15 m² at a 2 mm thickness (2 coats).

Application Steps:
• Clean and prepare the surface.
• Mix powder and resin thoroughly.
• Apply the first coat evenly.
• Allow the first coat to dry fully.
• Apply the second coat (~1 mm) perpendicular to the first.

Storage & Shelf Life:
Shelf Life:  Chema Proof 111 can be stored for 12 months in an unopened packaging.
Storage: Keep in a dry, shaded area. Protect from sunlight, high humidity, and extreme temperatures. Use the oldest material first.

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