Keep your property’s rainwater system efficient and reliable with high-quality downpipes from JJ Building Materials. Designed to carry water safely from gutters to the ground, each downpipe in our range offers durability, weather resistance and simple installation. Available in a choice of sizes, colours and profiles, our downpipes ensure long-term protection for both modern and traditional buildings.
Square Downpipe for Modern Drainage Systems
Our square downpipe range provides a sleek, contemporary look while offering excellent water-carrying capacity. Perfect for use with square or deepflow gutters, square downpipes are made from high-strength, UV-stable PVC that resists cracking, fading and distortion. Their clean, angular profile complements modern facias and exterior finishes while maintaining efficient drainage.
68mm Downpipe for Standard Installations
The versatile 68mm downpipe is one of the most popular options for UK homes and commercial buildings. Compatible with most gutter systems, it offers reliable performance and easy connection using standard fittings. Whether you’re replacing an old pipe or installing a new roofline, a 68mm downpipe ensures smooth water flow and long-lasting protection.
Downward Pipe Solutions for Effective Water Control
Every downward pipe in our collection is engineered for efficient rainwater management. Designed to direct water away from roofs and foundations, these pipes prevent damp, erosion and water damage. Available in various lengths and colours, our downward pipe options are easy to install and ideal for maintaining clean, controlled drainage.
Why Choose Downpipes from JJ Building Materials
Extensive range of downpipe options for all gutter types
Modern square downpipe and standard 68mm downpipe designs
Durable, weather-resistant materials built to last
Easy installation and maintenance for efficient downward pipe drainage
Competitive prices and fast UK-wide delivery
FAQs
What size downpipe do I need?
A 68mm downpipe suits most domestic guttering systems, while larger commercial buildings may require wider diameters for greater water flow.
What’s the difference between a square downpipe and a round downpipe?
A square downpipe has a modern, angular look and higher capacity, while round downpipes provide a traditional appearance with smooth flow performance.
Can I paint my downpipe?
Yes. Most PVC downpipes can be painted with suitable exterior paints to match your property’s style or colour scheme.
Check out our other Guttering range at JJ Building Materials.