The Kaczmarek KAN SDR11 series is built for reliable external drainage. Made from high-quality PE100 plastic, these pipes are designed to handle the demands of modern plumbing and civil works. Each pipe is black with a clear brown stripe, making it easy to spot on site and confirm it is the right product for your job. Whether you are laying out a new housing estate or upgrading municipal lines, this series gives you a solid foundation.

Built for Tough Outdoor Conditions

External drainage needs to survive heavy traffic, shifting soil, and harsh weather. The SDR11 design means thicker walls that stand up to high loads and ground pressure. The PN16 rating shows these pipes can handle pressure surges without failing. PE100 material does not rust, rot, or react to chemicals in the soil. This means fewer leaks, less maintenance, and a system that lasts for decades without needing constant repairs.

Easy to Handle and Install

Installers know that time is money. That is why the KAN SDR11 series comes in 12-meter sticks and convenient rolls up to 100 meters. Rolls are perfect for long, straight runs because they cut down on joints and speed up laying. The sticks are lightweight and easy to transport to tight sites. The smooth inner wall keeps waste flowing freely, while the flexible nature of PE100 makes jointing with electrofusion or butt fusion straightforward and leak-proof.

Wide Range of Sizes for Every Project

From small branch lines to main collector pipes, this series covers it all. You can find diameters from 50mm up to 450mm, so you never have to switch brands mid-project. Smaller sizes like 50mm, 63mm, and 75mm are available in rolls for quick residential work. Larger sizes like 110mm, 160mm, 200mm, and up to 450mm come in sticks for heavy-duty municipal and commercial builds. This variety lets you plan your material list once and stick to it.

Trusted Quality for Long-Term Performance

When you choose Kaczmarek, you are choosing a brand that understands what installers need. The consistent wall thickness, precise dimensions, and strict quality control mean every pipe fits together smoothly. The brown stripe is not just for looks; it marks the pipe for external drainage use, keeping your site organized and compliant. With a proven track record and a design focused on real-world performance, the KAN SDR11 series is a smart choice for any external drainage project.