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£25 Off When You Spend £300

Save £25 on your first order when you spend £300 or more.

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Built to Last. Engineered to Drain.

A wide range of drainage products, including channel systems, sewage treatment, and specialist solutions

Explore our full range
Cast Iron Rainwater

Cast Iron Rainwater

Durable elegance for heritage properties

Soil & Waste

Soil & Waste

Robust underground system solutions

Floor Drains

Floor Drains

High-performance industrial drainage

Shower Drains

Shower Drains

Aesthetic functionality for modern homes

Roof Outlets

Roof Outlets

Reliable water management for flat roofs

Aluminium Outlets

Aluminium Outlets

Lightweight strength for easy installation

Our Most Popular Picks

Explore our most trusted residential drainage components.

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Next Day Delivery

Orders before 4pm dispatched same day across mainland UK.

Trade account

Exclusive pricing for developers and architectural firms.

Partner Program

Join our network of certified heritage installers.

Pam Building

Partnership

Proud partner — Pam Building Group

We supply cast iron drainage alongside Pam's systems for projects that demand proven performance and coordinated technical support.

More about Pam

Advice & Installation Guides

Expert technical resources for industrial excellence.

Lifetime investment

Cast Iron Drainage

Engineered for decades of performance: cast iron outlasts plastic in UV, impact, and fire — ideal for heritage restorations and high-spec new build.

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Price Promise

Unmatched value

Free Delivery

On orders over £500

Featured guide

Installing Cast Iron Rainwater Downpipes

Step-by-step guidance for safe handling, fixing centres, and weathering details on traditional and contemporary projects.

Download PDF Guide
Measuring for Fits

Measuring for Fits

Site Survey Guide

Choosing Profiles

Choosing Profiles

Deepflow vs Half Round

Modern Integration

Modern Integration

Heritage & Modern Design

Maintenance Tips

Maintenance Tips

50+ Year Life Cycle

Engineering Excellence Since 1905

Cast Iron Outlet

Premium Cast Iron Drainage & Rainwater Systems

Unrivalled Lifespan

Cast iron drainage systems deliver structural integrity and corrosion resistance that plastic alternatives cannot match across decades of exposure — ideal for heritage, high-end residential, and commercial envelopes.

  • Low Maintenance Requirements
  • Exceptional Fire Safety Rating
  • Traditional Aesthetic with Modern Specs

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