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Dongshun Super Elastic & Flexible Waterproof Coating

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Super Elastic & Flexible Waterproof Coating

Cement-Based Polymer Waterproof Coating for Concrete & Mortar

 

This cement-based polymer waterproof coating is designed for waterproofing concrete, mortar, and masonry structures. Ideal for absorptive surfaces in bathrooms (floors/walls), kitchens, balconies, and other wet areas requiring high elasticity and crack resistance.

 

Key Advantages

1.Eco-Friendly & Non-Toxic Water-based, low VOC formula safe for indoor use.

2.Super Elastic Film Exceptional crack resistance and flexibility for dynamic substrates.

3.Superior Waterproofing High impermeability, alkali resistance, and water tolerance.

4.Breathable Design Allows vapor transmission to prevent blistering while blocking water.

5.Fast Curing Ready for next coat in 34 hours, reducing project downtime.

6.Easy Application Simple mixing and brush/roller application on damp surfaces.

 

Application Guide

1. Substrate Preparation

Ensure substrates are solid, smooth, clean, and free of dust, oil, and loose debris.

Pre-wet substrates to maintain moisture (no standing water). Round internal/external corners for optimal coverage.bstrate Preparation

Ensure substrates are solid, smooth, clean, and free of dust, oil, and loose particles.

Pre-wet substrates thoroughly to maintain moisture, but no standing water is allowed.

 

2. Mixing

Follow package-labeled ratios for liquid and powder components.

Add liquid component to a mixing bucket first, then slowly pour in powder while stirring continuously for at least 5 minutes until lump-free.

Stir intermittently during use; use mixed slurry within 24 hours.

3.Application

Apply 23 coats with a brush or roller:

1st coat: Allow 3 hours to dry before applying 2nd coat (brush perpendicular to the first).

2nd coat: Allow 4 hours to dry before applying 3rd coat (brush perpendicular to the second).

Apply extra coats to corners, pipe roots, and joints.

Final cure time: 24 hours for full dryness.

4. Coverage

34kg/m² (for 12mm film thickness, varies by substrate smoothness).

5. Application Conditions

Apply at 535°C and <85% relative humidity.

6. Tool Cleaning

Clean tools immediately with water after use.

7.Curing Tips

Moisture Return Warning: Temporary moisture spots may appear in humid areas (e.g., basements) but will disappear after 1015 days of curing.

Enhance curing by mist-spraying or covering with a damp cloth during days 13.

Storage

Store at 535°C in a cool, dry, clean place. Keep containers tightly sealed to prevent contamination.

Shelf life: Over 12 months when unopened and properly stored.