Flash Harry Liquid Plastic Overview
Flash Harry Liquid Plastic in Charcoal offers a robust waterproofing solution for roofs and exterior surfaces. Engineered with latex-modified acrylic, it combines extreme flexibility, UV resistance, and strong adhesion to deliver a durable, weatherproof finish.
Flash Harry Liquid Plastic Benefits and Features
- 350% Stretch Capacity: Accommodates surface movement without cracking
- UV Resistant: Maintains integrity under prolonged sun exposure
- Multi-Surface Adhesion: Bonds to tiled, slate, iron, and timber roofs
- Non-Flammable: Safe for residential and commercial use
- Fast Drying: Rain-resistant within hours
- DIY Friendly: Easy application with brush, roller, or spray
- Protective Finish: Ideal for sealing joints, ridges, and parapet walls
- Versatile Coverage: Suitable for waterproofing and coating applications
Steps to Follow for Applying Flash Harry Liquid Plastic
Preparation:
- Clean all surfaces thoroughly—remove dirt, grease, algae, and contaminants.
- For galvanized iron: Treat with acid degreasing primer or Frogskin Galvanised Iron Cleaner.
- For rusted surfaces: Brush down and apply rust converter.
- With porous surfaces: Prime with Plaster Pal bonding liquid or a 50% diluted coat of Liquid Plastic.
How to Apply Flash Harry Liquid Plastic:
- For waterproofing: Saturate membrane with compound before application.
- For coating: Apply a minimum of two coats with brush, roller, or spray.
- Alternate coats at right angles for optimal coverage.
- Maintain ambient temperature between 5°C and 35°C during application.
- Allow 30 minutes drying time between coats; final coat cures in 24–48 hours.
Cleanup:
- Clean tools with water before the product dries
- Dispose of waste responsibly
- Seal unused product in original container
- Wash hands and skin with soap and water
A Few Scenarios Where the Product Can Be Used:
- Waterproofing small flat roofs under 20m²
- Sealing around skylights and chimneys
- Coating parapet walls and flashings
- Protecting lap joints and roof screws
- Reinforcing ridges and valleys on pitched roofs
Other Products You May Need for Your Roof Protection Project:
Health and Safety
Use in a well-ventilated area and wear protective gloves and eyewear during application. Avoid contact with skin and eyes. Do not apply near open flames or heat sources. Ensure surfaces are dry and clean before use. Not suitable for submerged areas or large gaps exceeding 5mm. Follow all safety instructions on the packaging for optimal results.
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