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Professional Building Supplies£244.69Visit shop Arp Anthracite/Grey Aluminium Coping For 141-200Mm Wall - 260Mm X 3Mtr (7016 Matt)
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The ARP Aluminium Coping (WC440-3-AG) is an ideal solution for builders, architects, and homeowners seeking to protect parapet walls with a thickness of 141-200mm from water ingress and weather damage. This 260mm wide, 3m-long system provides a robust, low-maintenance barrier that prevents structural erosion and unsightly staining, making it a reliable choice for long-term exterior protection. While the material is lightweight and durable, ensure your wall measurements are precise before installation, as the coping is specifically engineered for a defined width range.
| Colour | Grey |
|---|---|
| Model Part Number | WC440-3-AG |
| Brand | ARP |
No, this specific model is designed for walls between 141mm and 200mm. Using it on wider walls will result in an insecure fit and ineffective waterproofing.
Yes, aluminium is naturally resistant to corrosion, making it an excellent choice for coastal environments where salt exposure is high.
Lengths should be joined using approved jointing accessories or high-quality sealant to ensure the expansion and contraction of the metal does not break the seal.
Please verify your order contents; typically, specific substrate fixings are sold separately to ensure they are appropriate for your wall material (e.g., concrete vs. brick).
The coping comes in a factory-finished grey. While it can be painted, doing so may void the warranty or require specific primers for aluminium surfaces.
Check that the joint sealant is intact and that the coping has a slight fall or positive pitch away from the building exterior.
Inspect all mechanical fixings to ensure they are tightened to the correct torque; replace any corroded or stripped screws.
Re-apply exterior-grade silicone sealant to the joints to ensure a continuous watertight barrier.
Installation should be performed on a level, dry substrate. Before fixing, ensure the wall surface is clean and free of debris. The coping units are installed using appropriate mechanical fixings through the pre-drilled points, ensuring all joints are sealed with a high-quality exterior-grade sealant to maintain the integrity of the water barrier. For care, inspect the installation annually to check for loose fixings or sealant degradation. To maintain the grey finish, a simple wash with mild soapy water and a soft cloth is sufficient; avoid abrasive cleaners or strong chemicals that could damage the exterior coating.
