Fibre Cement Cladding External Corner - Anthracite Grey - 3mtr

This aluminium external corner profile is designed for use when installing fibre cement cladding a...

Best current price£44.60from Professional Building Supplies

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Professional Building SuppliesTamlyn Anthracite/Grey Fibre Cement Cladding Aluminium External Corner - 3Mtr
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£44.60
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PVC Cladding UKTamlyn Anthracite/Grey Fibre Cement Cladding Aluminium External Corner - 3Mtr
Free delivery in 1–3 days
£44.60
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Product Information

Full details

The Tamlyn Fibre Cement Cladding External Corner in Anthracite Grey is designed for professional builders and DIY enthusiasts seeking a seamless, weather-resistant finish for 90-degree corners when installing fibre cement siding. It offers a clean, architectural aesthetic while protecting the building envelope from moisture ingress, though installers must be diligent in maintaining the specified expansion gap to ensure long-term performance.

All features

Model Part NumberXT-EXC-AG
BrandTamlyn

Extended Product Information

FAQs

What is the length of the profile?

Each unit is 3 metres in length.

Can this be painted?

The aluminium comes with a durable anthracite grey finish, but it can be painted if you wish to match a specific custom color using an appropriate metal primer.

Is the 5mm clearance mandatory?

Yes, this gap is essential to allow for the natural thermal movement of fibre cement planks and to ensure proper drainage.

Can I use this for inside corners?

No, this profile is specifically engineered for external 90-degree corners.

How do I cut the aluminium?

You can cut the profile using a standard chop saw equipped with a blade suitable for non-ferrous metals.

Troubleshooting

Plank fits too tightly inside the profile

Trim the edge of the fibre cement plank to ensure a consistent 5mm gap for expansion.

Profile looks crooked on the corner

Check the alignment of the framing underneath; if the framing is off-square, shim the corner profile until it is perfectly plumb before fastening.

Water pooling behind the corner

Verify that the 5mm gap is free of debris or excess sealant that may be obstructing drainage.

Pros and Cons

Pros

  • High-grade aluminium provides excellent weather durability
  • Provides a clean, professional finish for 90-degree corners
  • Compatible with standard fibre cement cladding systems
  • 3-metre length reduces the need for frequent vertical joints

Cons

  • Requires precise installation to maintain required clearances
  • Aluminium can be dented if struck with heavy force during installation
  • Not suitable for non-90-degree corner angles

Setup, Compatibility & Care

To ensure proper installation, secure the profile to the corner framing using appropriate exterior-grade fasteners. Ensure the profile is perfectly plumb before finalizing the attachment. Always maintain the 5mm clearance between the plank edge and the interior of the corner profile to facilitate water drainage. If you choose to add a caulking line for extra weatherproofing, use a high-quality, paintable exterior sealant. Maintenance is minimal; periodic cleaning with a mild detergent and water is usually sufficient to maintain the appearance of the aluminium surface.

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