Lindab Gutter Union - 125mm - Anthracite Metallic

The Lindab Gutter Union is designed to securely join individual lengths of guttering, featuring an...

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Professional Building SuppliesLindab Anthracite Steel Gutter Union - 125Mm Metallic
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Product Information

Full details

The Lindab Gutter Union (125mm) is designed for professional contractors and DIY enthusiasts who require a reliable, watertight connection for their rainwater management systems. As a key component of the Lindab Rainline range, it offers a seamless integration for 125mm guttering with a durable Anthracite Metallic finish that blends perfectly with modern architectural styles. While it offers superior longevity and a self-healing galvanized steel construction, users should note that it is specifically engineered for the Lindab system and may not be cross-compatible with generic plastic guttering profiles.

All features

Model Part NumberRSK125AM
BrandLindab

Extended Product Information

FAQs

Can I use this with plastic guttering?

No, this component is designed specifically for the Lindab Rainline steel guttering system and will not fit standard plastic profiles.

Do I need silicone sealant with this union?

No. The union features an internal high-performance rubber seal that creates a watertight connection without the need for additional sealants.

Is the finish prone to fading?

The high-build polyester coating is highly resistant to UV and weather-related fading, maintaining its Anthracite Metallic appearance for many years.

How do I ensure a good fit?

Ensure your gutter lengths are cut at a perfect 90-degree angle and are free from sharp metal burrs to prevent damaging the internal seal.

Can this be painted a different color?

While the steel is paintable, the factory-applied polyester finish is intended to be the final look and provides the best weather protection.

Is it suitable for coastal areas?

Yes, the galvanized steel construction with a protective coating provides excellent resistance to corrosion, making it suitable for most environments.

Troubleshooting

Difficulty snapping the union into place

Check that the gutter edges are not deformed and ensure the rubber seal is correctly seated inside the union before pressing.

Visible water leak at the union

Verify that the gutter lengths have been pushed fully into the union and that the rubber seal has not been dislodged during installation.

Pros and Cons

Pros

  • Tool-free installation process
  • Superior durability compared to plastic systems
  • Self-healing properties against minor surface scratches
  • Professional aesthetic in a modern Anthracite finish
  • Maintenance-free rainwater management solution

Cons

  • Specific to the Lindab 125mm Rainline system
  • More expensive than standard PVC components
  • Requires precise gutter alignment for proper snap-fit

Setup, Compatibility & Care

To install, ensure the gutter ends are cut cleanly and are free of burrs. Align the union with the first gutter length, hook the edge, and press firmly until the snap-fit clicks into place. Repeat for the adjacent length. The system is designed solely for 125mm Lindab Rainline guttering; it is not compatible with other diameters or brands. Maintenance is minimal: simply clear leaves and debris from the gutter run annually. If the paintwork is significantly scratched, touch-up paint can be applied to maintain the protective layer of the galvanized steel.

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