Cromar PRO 25 Topcoat Resin - 20kg

The Cromar PRO 25 Topcoat Resin is designed for application after the sanding of a roof surface du...

Best current price£142.94from PVC Cladding UK

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PVC Cladding UKCromar Pro 25 Topcoat Resin - 20Kg
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£142.94
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Professional Building SuppliesCromar Pro 25 Topcoat Resin - 20Kg
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£168.17
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Product Information

Full details

The Cromar PRO 25 Topcoat Resin is designed for professional roofers and experienced DIY enthusiasts who require a high-performance finishing layer for flat roofing systems. It acts as the final, protective barrier applied after sanding to ensure a durable, weather-resistant finish. While it offers excellent bonding and longevity, users must be prepared for the specific environmental requirements needed for successful curing during application.

All features

Model Part NumberTOPCOAT20
BrandCromar

Extended Product Information

FAQs

How many coats should I apply?

The product is designed to be applied in either one or two coats depending on the specific project requirements and desired finish thickness.

What is the total coverage of a 20kg container?

One 20kg container of Cromar PRO 25 Topcoat Resin provides coverage for approximately 40 square metres.

Do I need to heat the resin before application?

No, this is a cold-applied topcoat and does not require heating.

When should I apply the topcoat?

It should be applied as the final step after the sanding of the roof surface has been completed.

Can I use this on any roof surface?

It is intended for use on prepared roof membranes within the Cromar system; ensure your base surface is compatible.

What tools do I need for application?

You can use a standard brush or a roller to apply the resin.

Troubleshooting

Uneven finish or streaks

Ensure that the brush or roller is fully saturated and use consistent pressure during application.

Poor adhesion to the surface

Verify that the underlying membrane was sufficiently sanded and that the surface was completely dry and dust-free before application.

Resin not curing correctly

Check ambient temperature and humidity levels, as excessive moisture or extreme cold can impede the curing process.

Pros and Cons

Pros

  • Excellent bonding strength to membrane surfaces
  • Easy to apply using standard tools like brushes or rollers
  • High coverage rate per container
  • Reliable, professional-grade finish

Cons

  • Requires careful preparation of the roof surface prior to application
  • Application results are sensitive to ambient weather conditions
  • Heavy container requires proper lifting techniques

Setup, Compatibility & Care

Before starting, ensure the surface is clean, dry, and has been adequately sanded to create a proper key for the resin. The product should be stored in a cool, dry place away from direct sunlight when not in use. When applying, ensure good ventilation in the workspace. Compatibility is guaranteed when used as part of the intended Cromar roofing system. Always wear appropriate personal protective equipment (PPE), including gloves and eye protection, to avoid contact with the resin during the application process.

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