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Engineered for large roof catchments and high-volume runoff, the Brett Martin 110mm Rainwater Head (BS411) is a robust, high-capacity hopper designed to handle torrential downpours with ease. Manufactured in the UK from high-grade, UV-stabilised uPVC, this hopper head seamlessly integrates into 110mm industrial downpipe systems (such as the Brett Martin Deepstyle 170mm range), directing heavy water flow efficiently into underground drainage.
Whether you are fitting out a commercial warehouse, agricultural barn, or large domestic extension, the BS411 provides superior overflow protection and reliable performance under challenging conditions.
Key Features & Benefits
High Flow Capacity: Specifically designed to capture and channel large volumes of rainwater, preventing roof gutters from overflowing during extreme weather.
Durable uPVC Construction: Lightweight yet extremely tough, UV-stabilised, and corrosion-resistant for maximum long-term weather durability.
Seamless Compatibility: Connects directly to standard 110mm industrial circular downpipes.
Standards Compliant: Fully manufactured to meet BS EN 607 and BS EN 1462 requirements for quality assurance.
Low Maintenance Finish: High-gloss aesthetic that resists discolouration, cracking, and chalking over time.
10-Year Manufacturer Warranty: Backed by Brett Martin’s 10-year product warranty for added peace of mind.
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Product Specifications
Feature
Specification
Manufacturer
Brett Martin
Product Code
BS411 (BS411B Black / BS411G Grey)
Material
Unplasticised Polyvinyl Chloride (uPVC)
Outlet Diameter
Fits 110mm circular downpipe
Dimensions (H x L x W)
198mm x 315mm x 280mm
Colour Options
Black, Grey
Standards
BS EN 607 / BS EN 1462
Warranty
10 Years
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