Isopon P.40 Glass Fibre Bridging Compound

The Isopon P.40 Glass Fibre Bridging Compound is a fibreglass-reinforced body filler specifically designed for repairing holes up to 75mm wide in metal surfaces. This high-performance product provides a strong, durable bond and is perfect for creating structural repairs on automotive bodywork, metal panels, and other applications where a tough, weather-resistant repair is needed.

With its fibreglass reinforcement, P.40 offers added strength and flexibility, making it ideal for bridging gaps in metal surfaces that are subject to movement or stress. It is easy to apply, and once cured, it can be sanded smooth and overcoated with traditional body fillers or paint for a seamless finish.

Key Features

• Fibreglass Reinforced: Provides added strength and resistance to cracking or shrinking during repairs
• Ideal for Medium-Sized Holes: Perfect for repairing holes in metal surfaces up to 75mm wide
• Durable & Tough: Ideal for structural repairs on vehicles, metal panels, and other materials
• Easy to Mix & Apply: Simple to mix with the supplied hardener for quick and reliable repairs
• Can Be Sanded & Overcoated: Once cured, the filler can be easily sanded to a smooth finish and primed/painted over
• Water-Resistant: Forms a strong, weatherproof repair that is suitable for both indoor and outdoor applications
• Strong Bond: Adheres well to metal, ensuring a long-lasting repair

Product Dimensions & Weight

Technical Specifications

• Filler Type: Two-part fibreglass reinforced polyester body filler
• Application: Repair holes up to 75mm wide in metal surfaces
• Mixing: Requires addition of the included hardener
• Curing Time: Typically cures in 20-30 minutes, depending on ambient temperature and the hardener ratio
• Sanding: Once fully cured, can be sanded smooth (coarse grit P80–P120 recommended for initial sanding)
• Overcoating: Can be overcoated with traditional fillers or primers, followed by paint for a seamless finish
• Commodity Code: 3404900000
• Country of Origin: Great Britain
• Storage: Store in a cool, dry place with lid tightly sealed

Warranty Information

Isopon P.40 Glass Fibre Bridging Compound is manufactured to high-quality standards to ensure optimal performance.

• Warranty Coverage: Covers manufacturing defects or material flaws under normal usage
• Exclusions: Warranty is void if used on incompatible surfaces or stored improperly
• Support: Retain proof of purchase for warranty claims or customer service assistance

Frequently Asked Questions (FAQs)

Q1: How large of a hole can I repair with P.40?
A1: Isopon P.40 is ideal for repairing holes up to 75mm wide. For larger holes, it is recommended to apply it in layers and ensure each layer is properly cured before applying the next.

Q2: Can I use P.40 on materials other than metal?
A2: P.40 is designed for use on metal surfaces. For repairs on other materials like plastic or wood, you should use fillers specifically designed for those surfaces.

Q3: How do I mix P.40 with the hardener?
A3: Mix the filler with the included hardener according to the recommended ratio in the instructions (typically around 2% hardener to filler by weight). Ensure the mixture is uniform before applying.

Q4: Is P.40 resistant to moisture?
A4: Yes, once cured, P.40 forms a weatherproof and water-resistant bond, making it suitable for both indoor and outdoor applications.

Q5: How soon can I sand and paint after applying P.40?
A5: P.40 typically cures in 20-30 minutes, after which it can be sanded. It is recommended to apply primer and paint once the filler is fully cured and smooth.

Q6: Can P.40 be used for structural repairs on vehicles?
A6: Yes, P.40 is ideal for automotive and other metal repairs where structural integrity is important. It provides a strong, flexible repair once cured.

The Isopon P.40 Glass Fibre Bridging Compound is the perfect solution for repairing medium-sized holes in metal, offering a strong, durable, and weather-resistant bond. With its fibreglass reinforcement, it is suitable for a variety of repairs, including automotive, industrial, and metalworking applications.