Brett Martin is a leading UK manufacturer of specialist plastic building products, widely used across residential, commercial and industrial construction projects. Established in 1958, the company has built a strong reputation for delivering high-performance solutions that combine durability, innovation and ease of installation.
The range includes rooflights, plastic sheets, rainwater systems and plumbing and drainage products, all designed to meet the demands of modern building standards. Manufactured using advanced production techniques and quality-controlled processes, Brett Martin products provide reliable performance across a wide range of applications.
Trusted by contractors, builders and specifiers, Brett Martin offers practical, installer-friendly solutions that deliver long-term performance, weather resistance and compliance with industry standards across both domestic and large-scale projects.
The Brett Martin 300mm Twinwall 90° Double Socket Bend is a heavy-duty twinwall drainage fitting designed for right-angle direction changes in 300mm underground surface water drainage networks. With double socket ends, it provides secure connections for large-capacity site drainage installations.
The Brett Martin 300mm Twinwall 45° Double Socket Bend is a twinwall drainage fitting designed to create a swept 45° change of direction in 300mm underground surface water systems. Double socket ends support quick installation and reliable jointing on large drainage schemes.
The Brett Martin 150mm Twinwall 45° Triple Socket Equal Branch is a twinwall drainage junction fitting used to create a 45° branch connection in 150mm twinwall surface water and land drainage systems. With triple socket ends, it supports secure connections and efficient routing.
The Brett Martin 225mm Twinwall 45° Triple Socket Equal Branch is a high-capacity twinwall drainage branch fitting designed to form a swept 45° junction in 225mm twinwall surface water systems. Triple socket ends provide secure, reliable connections for underground drainage networks.
The Brett Martin 300mm Twinwall 45° Triple Socket Equal Branch is a heavy-duty twinwall drainage junction designed to create a swept 45° branch connection in 300mm underground surface water drainage systems. With triple socket ends, it supports stable connections in large-capacity drainage networks.
The Brett Martin 150mm Twinwall 90° Triple Socket Equal Branch is a twinwall drainage junction fitting designed to create a 90° branch connection in 150mm twinwall surface water and land drainage systems. Triple socket ends provide secure connection points for efficient underground drainage layouts.
The Brett Martin 225mm Twinwall 90° Triple Socket Equal Branch is a high-capacity twinwall drainage junction designed to form a right-angle 90° branch connection in 225mm underground surface water systems. Triple socket ends support secure connections for large drainage networks.
The Brett Martin 300mm Twinwall 90° Triple Socket Equal Branch is a heavy-duty twinwall drainage junction fitting designed to create a 90° branch connection in 300mm underground surface water drainage networks. Featuring triple socket ends, it supports secure jointing for large-capacity site drainage systems.
The Brett Martin Cascade Roundstyle 112mm 2m Gutter in Black is a high-quality PVCu rainwater gutter with a cast iron effect finish, designed to replicate the traditional appearance of cast iron guttering while offering the lightweight durability of modern plastic systems.
The Brett Martin Cascade Roundstyle 112mm 4m Gutter in Black is a durable PVCu gutter with a cast iron effect finish, providing the classic appearance of traditional cast iron rainwater systems with the benefits of lightweight modern materials.
The Brett Martin Cascade Roundstyle 112mm Fascia Bracket in Black is a strong PVCu support bracket with a cast iron effect finish, designed to secure Cascade Roundstyle guttering directly to fascia boards.
The Brett Martin Cascade Roundstyle 112mm Union Bracket in Black is a PVCu gutter fitting with a cast iron effect finish, designed to securely join two sections of Cascade Roundstyle gutter while maintaining the authentic appearance of traditional cast iron systems.
The Brett Martin Cascade Roundstyle 112mm Running Outlet in Black is a cast iron effect PVCu gutter fitting designed to connect a Cascade gutter run to a rainwater downpipe for efficient roof drainage.
The Brett Martin Cascade Roundstyle 112mm Internal Stopend in Black is a PVCu gutter fitting with a cast iron effect finish, designed to cap the internal end of Cascade Roundstyle gutter runs.
The Brett Martin Cascade Roundstyle 112mm External Stopend in Black is a cast iron effect PVCu fitting designed to close the external end of Cascade Roundstyle gutter systems.
The Brett Martin Cascade Roundstyle 112mm 90° Gutter Angle in Black is a cast iron effect PVCu corner fitting designed to change direction around roofline corners in Cascade gutter systems.
The Brett Martin Cascade Roundstyle 112mm 135° Gutter Angle in Black is a cast iron effect PVCu gutter fitting designed for angled roofline corners where a 135° direction change is required.
The Brett Martin Cascade Deepstyle 115mm 4m Gutter in Black is a high-capacity PVCu rainwater gutter with a cast iron effect finish, designed to replicate traditional cast iron guttering while providing modern durability and efficient roof drainage.
The Brett Martin Cascade Deepstyle 115mm Fascia Bracket in Black is a cast iron effect PVCu bracket designed to securely support Cascade Deepstyle guttering when fixed directly to fascia boards.
The Brett Martin Cascade Deepstyle 115mm Union Bracket in Black is a cast iron effect PVCu fitting designed to connect two lengths of Deepstyle gutter while also providing fascia-mounted support.