GRP Roofing Fillet To Trim Corner - Left - Cromar

This GRP Roofing Fillet To Trim Corner is designed for use in conjunction with ProGRP roofing trim...

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Professional Building SuppliesCromar Grp Roofing Fillet To Trim Corner - Left
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PVC Cladding UKCromar Grp Roofing Fillet To Trim Corner - Left
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Product Information

Full details

The Cromar GRP Roofing Fillet To Trim Corner (Left) is an essential component for roofing contractors and DIY enthusiasts looking to achieve a professional, weather-tight finish at corner junctions. Specifically engineered to integrate with ProGRP roofing systems, this component ensures a seamless transition between the roof deck and trim, preventing moisture ingress at vulnerable points. While it provides excellent durability, users should note that it is specific to the left-hand corner configuration and requires compatible ProGRP adhesive and sealant systems for optimal performance.

All features

Model Part NumberGA/C2
BrandCromar

Extended Product Information

FAQs

Is this fillet compatible with other GRP roofing brands?

It is specifically designed for the ProGRP system. Using it with non-ProGRP products may result in poor fitment or incompatible material reactions.

Can I use this for right-hand corners?

No, this specific model (GA/C2) is configured for left-hand corners. You must purchase the corresponding right-hand component for those junctions.

What tools do I need for installation?

Standard roofing tools are required, including a sealant gun, a notched trowel for resin application, and a spirit level to ensure correct alignment.

How do I secure the fillet to the roof?

The fillet should be bonded using approved ProGRP adhesive or resin as part of the standard multi-layer fiberglass roofing process.

Is this material paintable?

Yes, GRP can be painted or coated with standard GRP topcoats if color matching is required for the specific project finish.

Troubleshooting

Difficulty achieving a bond with the trim

Ensure the surface of both the fillet and the trim has been lightly sanded to provide a mechanical key for the resin.

Visible gaps at the corner junction

Use a flexible GRP-compatible sealant to fill minor gaps, ensuring the area is clean and dry before application.

Pros and Cons

Pros

  • Ensures a watertight finish at roof edges
  • Highly durable glass-reinforced plastic construction
  • Easy to install within the ProGRP system ecosystem
  • Provides a clean, finished appearance

Cons

  • Strictly compatible with ProGRP branded systems
  • Left-hand specific design requires careful planning
  • Requires professional-grade adhesive for proper bonding

Setup, Compatibility & Care

Before installation, ensure the roof deck is clean, dry, and free of debris. Always use ProGRP approved resins and sealants to maintain the integrity of the warranty and the waterproof seal. When handling, store in a cool, dry place away from direct sunlight. During setup, measure your corner angles carefully, as this component is designed for specific left-hand geometry. Clean any excess resin immediately after placement to ensure a smooth finish. Maintenance is minimal; periodic inspection during routine roof cleaning is sufficient to ensure the bonds remain secure and no mechanical damage has occurred to the GRP material.

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