Aluminium Coping Union for 141-200mm Wall - 260mm - Grey

The 260mm Union Coping is designed to join multiple coping sections securely on walls ranging from...

Best current price£18.02from Professional Building Supplies

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Professional Building SuppliesArp Anthracite/Grey Aluminium Coping Union For 141-200Mm Wall - 260Mm (7016 Matt)
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PVC Cladding UKArp Anthracite/Grey Aluminium Coping Union For 141-200Mm Wall - 260Mm (7016 Matt)
Free delivery in 1–3 days
£18.02
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Product Information

Full details

The Aluminium Coping Union is designed for professional builders, contractors, and DIY enthusiasts who require a reliable method to join coping sections on exterior walls measuring 141mm to 200mm in thickness. Its primary benefit is providing a seamless, weatherproof connection that ensures a continuous protective barrier for your masonry work, though it requires precise measurement of your existing coping profiles to ensure a perfect fit.

All features

ColourGrey
Model Part NumberWC440UC-AG
BrandARP

Extended Product Information

FAQs

What is the primary purpose of the coping union?

It is designed to connect two segments of wall coping to provide a continuous, weather-resistant barrier.

Can this be used on walls thinner than 141mm?

No, this component is specifically engineered for wall thicknesses between 141mm and 200mm.

Is the aluminium finish durable?

Yes, the aluminium is chosen for its high resistance to weathering and outdoor elements.

Does it require special tools to install?

Generally, basic hand tools are sufficient for positioning and securing the union.

How do I maintain the grey finish?

Regularly clean with mild soap and water, avoiding harsh chemicals or abrasive materials.

Troubleshooting

Union piece feels loose after installation

Verify that your coping width is within the 141mm-200mm range and check for any debris trapped between the union and the wall.

Visible gaps remaining between sections

Ensure the coping sections are cut square and pushed tightly together before securing the union.

Pros and Cons

Pros

  • Resistant to harsh environmental conditions and weathering
  • Creates a seamless transition between coping segments
  • Durable aluminium construction ensures longevity
  • Professional, clean aesthetic finish
  • Designed for standard wall thicknesses of 141-200mm

Cons

  • Limited to specific wall thickness ranges
  • Requires precise alignment during installation
  • Not suitable for curved or non-standard wall geometries

Setup, Compatibility & Care

Before installation, ensure your wall surface is clean and level. Align the 260mm union over the junction of two coping sections, ensuring the gap is fully covered. For optimal long-term results, ensure the union is seated firmly against the coping profiles. While the aluminium is naturally corrosion-resistant, a periodic inspection to check for debris buildup or movement caused by heavy vibration or seismic shifts is recommended. Clean with mild soapy water and a soft cloth; avoid using abrasive brushes that might scratch the grey finish.

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