Powafix Flexi Crete Waterproof Plaster Overview

Powafix Flexi Crete Waterproof Plaster is a fibre-reinforced cementitious coating designed to protect concrete and brick surfaces from moisture ingress. Its high-strength formula includes adhesion-promoting additives that make it suitable for negative pressure environments such as ponds and basement walls. With a triple-coat application and 3mm total thickness, it forms a durable waterproof barrier that resists cracking and environmental stress.

Powafix Flexi Crete Waterproof Plaster Benefits and Features

• Fibre-Reinforced Cement: Enhances flexibility and crack resistance
• Adhesion Promoters: Ensures strong bonding to concrete and brick
• Triple-Coat System: Builds a 3mm waterproof barrier for long-term protection
• Negative Pressure Suitability: Ideal for submerged or below-grade surfaces
• Wide Application Range: Use on ponds, parapet roofs, bathrooms, reservoirs, and basement walls
• Workability Window: 45-minute application time after mixing
• Coverage Rate: 1kg covers approximately 0.5m²
• Size: 2kg bag for medium-scale projects

Steps to Follow for Applying the Powafix Flexi Crete Waterproof Plaster

Preparation

• Open cracks and remove loose material with scraper
• Brush off efflorescence and powdery residue
• Sand glossy surfaces
• Clean with Powafix Mortar Off
• Repair large cracks with Powafix Powa Filla
• Wet surface thoroughly before application

How to Apply the Powafix Flexi Crete Waterproof Plaster

• Mix 3 parts Flexi Crete with 1 part water
• Let mixture stand for 5 minutes
• Apply with block brush onto damp surface
• Ensure full coverage into cracks and blemishes
• Apply 3 coats total (1mm per coat)
• Allow 6–8 hours drying between coats
• Final cure time: 24–36 hours

Cleanup

• Rinse cured surface with clean water
• Clean tools with Powafix Solvent Brush Cleaner
• Reseal bag with zip lock after use
• Store in cool, dry place

A Few Scenarios Where the Product Can Be Used

• Waterproofing fish ponds
• Sealing parapet roof edges
• Protecting basement walls from moisture
• Coating bathroom walls before tiling
• Lining reservoirs or water tanks

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Health and Safety

Use Powafix Flexi Crete in well-ventilated areas and avoid inhaling dust during mixing. Wear protective gloves, eye protection, and a dust mask. Do not eat, drink, or smoke while using the product. Avoid contact with skin and eyes—rinse immediately if exposed. Do not induce vomiting if swallowed; seek medical attention. Store securely and keep out of reach of children. Dispose of contents and packaging according to local regulations.

Want to know more about this product? Click here to view the TDS.