Isoflex Liquid Rubber is a premium-grade waterproofing solution, designed to outperform traditional bitumen coatings with superior flexibility, durability, and long-term protection. Engineered for demanding roofing applications, Isoflex forms a permanent, flexible, and weather-resistant membrane that adheres to a wide range of surfaces, providing up to 20 years of protection.

Its innovative rubberised formula is five times more flexible than standard bitumen paint, allowing it to move with the natural expansion and contraction of roofing materials without cracking or peeling. Whether you’re waterproofing a new surface or refurbishing an old one, Isoflex Liquid Rubber offers outstanding results with lasting performance.

Key Features

• Five Times More Flexible: Adapts to surface movement, reducing the risk of cracking and peeling
• Up to 20 Years Protection: Long-lasting waterproof barrier against rain, wind, and temperature extremes
• Highly Elastic: Flexes with the natural movement of the roof without compromising integrity
• Seamless Finish: Creates a permanent, joint-free membrane for superior waterproofing
• Surface Compatibility: Ideal for flat roofs, corrugated roofs, gutters, valleys, flashing, and more
• Protects Against: Moisture ingress, UV degradation, and environmental wear
• Quick Drying: Touch dry in 12 hours under normal conditions
• Coverage: Approx. 1m per litre, depending on surface porosity and application method
• Easy Application: Can be applied with a brush or roller

Available Sizes & Packaging

Coverage rates may vary depending on surface condition and number of coats.

Technical Specifications

• Product Type: Liquid rubber waterproofing membrane
• Drying Time: 12 hours (touch dry; allow longer in cold or damp conditions)
• Application Tools: Brush or roller
• Substrate Types: Asphalt, concrete, metal, wood, roofing felt, and other common roofing materials
• Commodity Code: 3209900000
• Country of Origin: Great Britain
• Storage: Store in a cool, dry place away from direct sunlight

Warranty Information

Isoflex Liquid Rubber is manufactured to high standards of quality and performance.

• Warranty Coverage: Up to 20 years of protective performance under normal usage and proper application
• Conditions: Surface must be properly prepared and product applied according to manufacturer guidelines
• Exclusions: Warranty does not cover damage due to incorrect application, structural failure, or misuse
• Support: Proof of purchase required for warranty claims. Contact the retailer or manufacturer for assistance.

Frequently Asked Questions (FAQs)

Q1: What surfaces can Isoflex Liquid Rubber be used on?
A1: It is suitable for most roofing materials including felt, asphalt, metal, concrete, wood, and more.

Q2: Does the product require a primer?
A2: In some cases, a primer may enhance adhesion on porous or challenging surfaces. Always follow manufacturer instructions.

Q3: How many coats are recommended?
A3: At least two coats are typically recommended to achieve maximum protection and durability.

Q4: Is it suitable for pitched roofs?
A4: Yes, although it is most commonly used on flat or slightly sloped surfaces, it can be applied to pitched roofs where waterproofing is required.

Q5: Can I apply it during cold weather?
A5: For best results, apply in dry conditions above 5C. Cold or damp weather may extend drying times.

Q6: How long does it take to dry fully?
A6: It becomes touch-dry in approximately 12 hours, but full curing may take longer depending on environmental conditions.

Isoflex Liquid Rubber offers industry-leading flexibility and waterproofing protection in a user-friendly format. Whether you’re a professional contractor or a dedicated DIY enthusiast, this high-performance product delivers reliable, long-term results that you can trust.