Aluminium Coping Union for 200-250mm Wall - 310mm - Grey

Connect coping sections securely with this 310mm Union designed for walls between 200-250mm thick....

Best current price£18.02from Professional Building Supplies

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Professional Building SuppliesArp Anthracite/Grey Aluminium Coping Union For 200-250Mm Wall - 310Mm (7016 Matt)
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PVC Cladding UKArp Anthracite/Grey Aluminium Coping Union For 200-250Mm Wall - 310Mm (7016 Matt)
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£18.02
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Product Information

Full details

The ARP Aluminium Coping Union is designed for professional contractors and DIY enthusiasts installing aluminium coping systems on wall widths between 200mm and 250mm. Its primary benefit is providing a secure, weather-resistant connection between coping sections to ensure a seamless and durable finish. While it offers excellent structural integrity and a clean aesthetic, users should note that it is specifically engineered for a precise size range, making it essential to accurately measure your wall thickness before purchase.

All features

ColourGrey
Model Part NumberWC490UC-AG
BrandARP

Extended Product Information

FAQs

Can I use this union on a 300mm wall?

No, this product is specifically designed for wall thicknesses between 200mm and 250mm.

Is the grey finish weather-resistant?

Yes, the finish is designed for external use and provides excellent protection against environmental elements.

Does this union come with fixings?

Fixing requirements can vary by system; please refer to the specific installation guide for your coping run to determine the required fasteners.

Can I paint over the grey finish?

While the finish is durable, if you choose to repaint, ensure you use a primer suitable for aluminium surfaces to ensure proper adhesion.

How often should I inspect the joints?

It is recommended to inspect all coping joints annually as part of routine building maintenance.

Troubleshooting

Union does not fit securely over the coping

Verify that your wall thickness is between 200mm and 250mm. If the wall is thicker than 250mm, this specific union will not be compatible.

Visible gaps between the union and coping

Check that the coping sections are perfectly aligned and not bowed. Ensure no debris is trapped beneath the union during the mounting process.

Pros and Cons

Pros

  • Ensures a weathertight seal at coping joints
  • Creates a clean, professional aesthetic finish
  • Durable aluminium construction resists environmental wear
  • Specifically sized for common 200-250mm wall widths
  • Easy to align with standard coping profiles

Cons

  • Not adjustable for wall widths outside the 200-250mm range
  • Requires specific installation precision to maintain alignment
  • Not compatible with non-aluminium coping materials

Setup, Compatibility & Care

To install, ensure your masonry wall surface is clean and level before placing the coping system. The union should be fitted according to the manufacturer's specific sequence, typically involving mechanical fixings or structural adhesive depending on the wider system requirements. Ensure the grey finish is not scratched during installation, as this can expose the underlying aluminium. For care, periodic cleaning with a mild detergent and water is sufficient to remove debris and maintain the finish. Inspect the joints annually for any signs of movement or seal degradation.

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