TheIsoflex Special Primer is a specially formulated basecoat designed to enhance adhesion and improve the long-term performance of Isoflex Liquid Rubber. This professional-grade primer is ideal for preparing difficult or non-porous surfaces such as metal, roofing felt, concrete, and asphalt, ensuring maximum bond strength and waterproof integrity.

By providing a tough, durable foundation, Isoflex Special Primer increases the flexibility and durability of the topcoat, making it an essential part of the Isoflex waterproofing system. For optimum results, always apply this primer before using Isoflex Liquid Rubber on problem surfaces.

Key Features

• Essential Basecoat: Improves adhesion for Isoflex Liquid Rubber on challenging surfaces
• Enhances Performance: Helps ensure up to 20 years of waterproof protection when used with Isoflex Liquid Rubber
• Highly Flexible: Matches the flexibility of the Isoflex system, five times more flexible than traditional bitumen paint
• Tough & Durable: Reinforces the bond between substrate and topcoat, reducing the risk of peeling or delamination
• Versatile Application: Suitable for use on concrete, asphalt, metal, roofing felt, and other roofing materials
• Ease of Use: Quick to apply with brush or roller; fast drying for same-day overcoating
• Dry Time: Approximately 12 hours under standard conditions
• Coverage: Up to 1m per 750ml, depending on surface porosity and texture

Product Dimensions & Weight

Coverage will vary based on surface type and application thickness.

Technical Specifications

• Product Type: Surface primer
• Application Method: Brush or roller
• Dry Time: Approx. 12 hours (varies with temperature and humidity)
• Surface Suitability: Difficult and non-porous surfaces such as felt, concrete, asphalt, and metal
• Follow-Up Application: Isoflex Liquid Rubber (after full drying)
• Commodity Code: 3208909100
• Country of Origin: Great Britain
• Storage: Store in a cool, dry area away from direct sunlight and sources of heat

Warranty Information

When used as part of the complete Isoflex system, this primer contributes to a long-lasting waterproofing solution.

• Warranty Period: Up to 20 years of protection when used with Isoflex Liquid Rubber
• Conditions: Apply on a clean, dry surface and follow manufacturer guidelines
• Exclusions: Does not cover failure due to improper surface prep, incorrect application, or use with non-compatible products
• Support: Keep proof of purchase for any warranty claims or technical support queries

Frequently Asked Questions (FAQs)

Q1: Do I need to use this primer before applying Isoflex Liquid Rubber?
A1: Yes, it is highly recommended for optimal adhesion, especially on non-porous or previously coated surfaces.

Q2: What types of surfaces benefit most from this primer?
A2: It is ideal for concrete, asphalt, metal, felt, and any surfaces that are smooth or difficult to bond to.

Q3: How long should I wait before applying the Liquid Rubber over the primer?
A3: Wait at least 12 hours, or until the primer is completely dry, before applying the topcoat.

Q4: Can I apply the primer in damp conditions?
A4: For best results, apply only in dry conditions above 5C. Damp surfaces may affect adhesion.

Q5: How should I apply the primer?
A5: Use a brush or roller for even coverage. Stir well before use and ensure the surface is clean and free of debris.

The Isoflex Special Primer 750ml is a vital step in achieving maximum durability and long-term waterproofing results. By strengthening the bond between your surface and Isoflex Liquid Rubber, this primer ensures a lasting, professional-grade finish for any roofing or exterior waterproofing project.