FloPlast Deepflow Hi-Cap Gutter External Stopend - Anthracite Grey - 115mm x 75mm

External Stopends are used to cap off the gutter at the end of the run. They are called external b...

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Professional Building SuppliesFloplast Anthracite/Grey Deepflow/ Hi-Cap Gutter External Stopend - 115Mm X 75Mm
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eBayFloplast Guttering REH1AG 115mm Hi-Cap (Deepflow) - Ext Stopend -Anthracite Grey
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B&QB&Q - Deepflow Hi-Cap External Stopend 115mm X 75mm Anthracite GreyUpvc
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Product Information

Full details

The FloPlast Deepflow Hi-Cap Gutter External Stopend is designed for professional contractors and DIY enthusiasts managing high-capacity rainwater systems. It provides a reliable, watertight cap for 115mm x 75mm gutter runs, ensuring efficient drainage and preventing leaks. While the installation process is straightforward, users must strictly adhere to bracket placement requirements to avoid long-term sagging or joint failure.

All features

Model Part NumberREH1AG
BrandFloPlast

Extended Product Information

FAQs

Is this stopend compatible with standard 112mm gutters?

No, this product is specifically designed for the Deepflow Hi-Cap 115mm x 75mm system.

Do I need to apply silicone sealant inside the stopend?

No, the stopend features an integrated rubber seal designed to provide a watertight joint without additional sealants.

Can this be used on both left and right ends of a gutter?

Yes, the external stopend is universal and can be used to cap either end of a gutter run.

How close to the stopend should I place my first bracket?

You should fix a fascia bracket within 150mm of the stopend to support the weight of the gutter.

How do I maintain the Anthracite Grey finish?

The material is UV-stable and requires no painting; simply wash with soapy water if it becomes dirty.

Troubleshooting

Water dripping from the end of the gutter

Check that the stopend is fully clipped into the front profile and that the rubber seal is free from dirt or debris.

Gutter sagging at the end point

Ensure a fascia bracket is installed within 150mm of the stopend to provide necessary weight support.

Stopend is difficult to clip on

Check that the gutter end is cut square and that there are no burrs or sharp plastic remnants on the edge of the gutter.

Pros and Cons

Pros

  • Integrated rubber seal eliminates the need for messy liquid sealants
  • Easy snap-on installation mechanism
  • Professional-grade durability
  • Matches standard Anthracite Grey color schemes
  • Provides high flow capacity for large roof areas

Cons

  • Requires precise positioning of fascia brackets for structural support
  • Not compatible with standard-sized gutters outside the 115mm x 75mm spec
  • Installation requires careful alignment to avoid compromising the rubber seal

Setup, Compatibility & Care

To set up the stopend, first ensure your gutter run is securely installed and free of debris. Slide the stopend onto the end of the gutter by clipping the back ridge first, followed by the front profile. Crucially, you must fix a support fascia bracket within 150mm of the stopend to carry the weight of the water and prevent the end of the gutter from sagging. For care and maintenance, periodically clear the gutter system of leaves and moss. Inspect the stopend twice a year to ensure the rubber seal remains seated correctly and there are no signs of thermal expansion causing the cap to pull away from the gutter.

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