Cromar Pro GRP Resin Laminating Brush - 2 Inch

The Cromar PRO GRP Resin Laminating Brush is an essential tool for professionals and DIY enthusias...

Best current price£4.89from B&Q

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Product Information

Full details

The Cromar Pro GRP Resin Laminating Brush is a professional-grade tool designed for both trade contractors and DIY enthusiasts who require precision during GRP (Glass Reinforced Plastic) roofing or molding applications. Its primary benefit is its high-durability construction, which resists the corrosive nature of resins and top coats, providing a smooth, consistent finish over multiple uses. One important caveat is that while the brush is built for longevity, it must be thoroughly cleaned with appropriate solvents immediately after use to prevent the resin from hardening and ruining the bristles.

All features

BrandCromar

Extended Product Information

FAQs

Can I use this brush for oil-based paints?

While it is a durable brush, it is specifically designed for GRP resin applications. It is recommended to use dedicated brushes for paint to avoid cross-contamination.

How long will the brush last?

With proper cleaning after every use, the Cromar Pro brush can be reused for numerous projects, far outlasting standard disposable brushes.

Do I need to prime the brush before first use?

No priming is necessary. Simply ensure it is clean and dry before dipping it into your resin mix.

Is this brush safe for use with all GRP top coats?

Yes, it is compatible with standard GRP roofing resins and top coats.

What is the best way to store the brush long-term?

After ensuring it is completely clean and dry, store it in a cool, dry place, ideally hanging it by the handle to maintain the bristle shape.

Troubleshooting

Bristles are becoming stiff or clumping together

The brush was not cleaned thoroughly enough; soak in acetone to soften the remaining resin residue and comb through the bristles.

Brush is shedding bristles into the wet resin

Ensure the brush is being used with the correct resin type and that no overly harsh non-compatible thinners are being used; if shedding persists, the brush may have been damaged by long-term chemical exposure.

Pros and Cons

Pros

  • Resists shedding during heavy application
  • Excellent control for detailed molding work
  • Highly durable against chemical breakdown
  • Ergonomic handle reduces hand fatigue

Cons

  • Requires immediate cleaning to remain reusable
  • Solvents required for maintenance can be harsh
  • Limited width makes it less ideal for large, flat open areas

Setup, Compatibility & Care

Before starting your project, ensure the surface is clean, dry, and free of debris. There is no specific setup required for the tool itself, but you should have a container of appropriate solvent (such as acetone) ready before you begin mixing your resin.

Care Instructions:

  1. As soon as you finish your application, remove excess resin by wiping the brush against the edge of the mixing bucket.
  2. Submerge the bristles in a cleaning solvent container.
  3. Agitate the brush to ensure all resin is removed from the base of the bristles near the ferrule.
  4. Once clean, hang the brush or store it bristles-down to ensure the shape remains intact for your next project.
  5. Never allow resin to cure on the brush, as it will become impossible to remove without damaging the bristles.

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