Flash Harry Liquid Plastic Overview

Flash Harry Liquid Plastic is engineered for targeted waterproofing tasks where precision and durability matter. Its compact size makes it ideal for touch-ups, small flat roofs, and detailed sealing around architectural features like skylights and chimneys.

Flash Harry Liquid Plastic Benefits and Features

• Extreme Flexibility: Latex-modified for 350% stretch
• UV Resistant: Maintains integrity under sun exposure
• Superior Adhesion: Bonds to multiple substrates
• Non-Flammable: Safe for residential and commercial use
• Multi-Surface Compatibility: Works on tiled, slate, iron, and timber roofs
• DIY Friendly: Easy to apply with brush, roller, or spray
• Fast Drying: Rain-resistant within hours
• Compact Format: Ideal for small-area coverage and repairs

Steps to Follow for Applying Flash Harry Liquid Plastic

Preparation:

1. Ensure surface is clean, dry, and free of debris
2. Prime surface based on material type:
   • Galvanized Iron: Use acid degreasing primer or Frogskin Cleaner
   • Rusted Surfaces: Brush down and apply rust converter
   • Porous Surfaces: Prime with Plaster Pal or 50% diluted Liquid Plastic

How to Apply:

• Waterproofing:
  1. Use with waterproofing membrane
  2. Saturate membrane thoroughly—pre-soaking is recommended
• Coating:
  1. Apply minimum two coats
  2. Alternate coat directions at right angles
  3. Allow 30 minutes drying time between coats

Cleanup:

• Clean tools immediately after use
• Store remaining product in a sealed container
• Dispose of packaging responsibly

A Few Scenarios Where the Product Can Be Used:

• Waterproofing small flat roofs (< 20m²)
• Sealing around skylights, chimneys, and parapet walls
• Coating roof screws, lap joints, ridges, and valleys
• Protecting timber, iron, slate, and tiled pitched roofs

Limitations

• Not suitable for use under tiles or in areas with permanent water ponding
• Not recommended for lightweight screed applications
• Do not apply over existing bitumen systems
• Avoid waterproofing over gaps larger than 5mm

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Health and Safety

Always wear protective gloves and eyewear during application. Ensure adequate ventilation when working indoors. Do not apply in extreme temperatures or on wet surfaces. Keep out of reach of children and store in a cool, dry place.

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