Drainage supplies
Drainage covers both above and below ground drainage including wastewater, surface water and stormwater drainage. Browse products for Drainage supplies below.
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Showing 1-36 of 777
Outlet Spider Leaf and Gravel Excluder
Verified 21 hours ago
Wallbarn Ltd
Heavy-duty leaf and gravel guards for insertion into downpipe drainage outlets with integrated rod and fins to give secure fit into spigot of drainage outlet.
Outlet Helix Leaf & Gravel Excluder
Verified 21 hours ago
Wallbarn Ltd
Heavy-duty leaf and gravel guards for insertion into downpipe drainage outlets with integrated rod and fins to give secure fit into spigot of drainage outlet.
Outlet - Metal & Polypropylene Universal Leaf & Gravel Excluder
Verified 21 hours ago
Wallbarn Ltd
Universal metal and polypropylene leaf guards for insertion into downpipe drainage outlets. Suitable for EPDM, PVC, TPE and HDPE outlets. Available in polypropylene, zinc, copper and stainless steel.
Outlet - Universal Rectangular Leaf & Gravel Guard
Verified 21 hours ago
Wallbarn Ltd
Rectangular shaped leaf guard for insertion into corner through wall drainage outlets. Suitable for EPDM, PVC and TOE outlets.
Outlet - Square Shaped Spigot Right Angle Coupling
Verified 21 hours ago
Wallbarn Ltd
Square shaped Coupling designed to connect the spigot of a drainage outlet shape to the HDPE drainpipe.
Outlet - Round Right Angle & Straight Coupling Spigot
Verified 21 hours ago
Wallbarn Ltd
Round Coupling to connect the spigot of a corner drainage outlet to the downpipe. A straight round coupling for fixing an outlet with a round spigot to a round pipe when going in same direction.
Outlet - TPE Circular Downpipe Outlet 240mm(L) - Ribbed Flange
Verified 21 hours ago
Wallbarn Ltd
TPE circular rainwater drainage outlet with a ribbed flange for downpipes on flat roofs for bonding to bitumen based waterproofing membranes in a sandwich technique. Shaft length available in 240 mm.
Outlet - EPDM SIPHON Circular Downpipe
Verified 21 hours ago
Wallbarn Ltd
A variation on the design of the standard drain connector in EPDM which incorporates the perforated flange. It has a special siphon mechanism with integrated leaf guard and siphon cap.
Outlet - EPDM Circular Downpipe Outlet (Perforated Flange)
Verified 21 hours ago
Wallbarn Ltd
EPDM Circular Roof Outlet with perforated flange to improve adhesion to the bituminous membranes. The shaft has a length of 250mm and available in sizes to fit downpipe diameters of 40mm to 200mm.
Outlet - TPE Corner (Through Wall) Perforated Flange
Verified 21 hours ago
Wallbarn Ltd
Corner Outlet manufactured from TPE compound for bonding to bitumen based waterproofing membranes in a sandwich technique. Ideal for hot melt and felt. Available in 45°, 90° in Square & Round Shank.
Outlet PVC Corner (Through Wall) - Round & Square Shank
Verified 21 hours ago
Wallbarn Ltd
PVC drainage outlets for corners and drainage holes next to parapets. Bonded to PVC waterproofing membranes only to improve waterproofing and protection. Varied sizes with square or round mouth.
Outlet - EPDM Circular Downpipe Outlet (Smooth Flange)
Verified 21 hours ago
Wallbarn Ltd
EPDM Circular Downpipe Outlet suitable for EPDM & Bituminous membranes. Has a smooth flange to improve bonding with adhesive. Available in a variety of diameters to suit downpipes between 40 to 200mm.
Outlet - Sombra Gravel & Leaf Guard
Verified 21 hours ago
Wallbarn Ltd
Heavy duty polypropylene leaf and gravel guard, designed to stop leaves, gravel and pests entering top of downpipe outlet. Particularly suited for use on green roofs as a pebble guard.
Outlet - EPDM Corner (Through Wall) - Round & Square Shank
Verified 21 hours ago
Wallbarn Ltd
Preformed shape for insertion into drainage outlets to improve waterproofing and protection; for use with EPDM and bituminous waterproofing systems.
Wallbarn Channel Drainage HDPE Protecto-drain - A15 Class Drainage Channel
Verified 21 hours ago
Wallbarn Ltd
A lightweight, drainage channel with ductile galvanised steel gratings
Outlet - TPE Circular Downpipe Outlet 240mm(L) & 600mm(L) - Perforated Flange
Verified 21 hours ago
Wallbarn Ltd
TPE circular drainage outlet with a perforated flange for downpipes on flat roofs for bonding to bitumen based waterproofing membranes in a sandwich technique. Shaft Length available in 240 & 600mm.
Galeco Round Steel Downpipe
Verified 1 day ago
Galeco
High‑durability round steel downpipe with four protective layers, scratch‑resistant foiling, efficient water flow and long‑term weather protection for reliable roof drainage.
Galeco Square Steel Gutter (STAL²)
Verified 1 day ago
Galeco
Modern square steel gutter with concealed cover option, high efficiency and a clean architectural finish for contemporary building eaves.
Galeco Square Steel Downpipe (STAL²)
Verified 1 day ago
Galeco
Durable square steel downpipe designed for modern facades, offering high efficiency, clean geometry, and seamless integration with the STAL² gutter system.
Galeco Square PVC Downpipe (PVC²)
Verified 1 day ago
Galeco
Durable square‑section PVC downpipe with enhanced UV resistance, high stability, and a modern geometric profile designed to match contemporary building architecture.
Galeco Square PVC Gutter (PVC²)
Verified 1 day ago
Galeco
Modern square-profile PVC gutter offering high efficiency, enhanced leak proofness, UV resistance and a sleek aesthetic suited to contemporary architecture.
Galeco Round PVC Downpipe
Verified 1 day ago
Galeco
Durable co‑extruded PVC‑U downpipe offering high impact resistance, UV stability and long‑term performance for efficient rainwater drainage.
Galeco Round PVC Gutter
Verified 1 day ago
Galeco
High‑durability round PVC gutter made using co‑extrusion, offering UV resistance, high gloss, stability, and optimised flow performance even during heavy rainfall.
Galeco Round Steel Gutter
Verified 1 day ago
Galeco
Durable steel gutter with deep profile, four protective layers, high drainage efficiency, scratch protection, adjustable corners, and easy installation for long‑lasting home protection.
Unidrain Vinyl Floor Drain
Verified 1 day ago
WM | Wetroom Materials
Unique Linear floor drain for vinyl with internal camping system and magnetic grate.
SharpDrain® Vinyl Linear - Wet Room Drain
Verified 1 day ago
WM | Wetroom Materials
A linear wet room drainage system for vinyl flooring.
Unislope 1K Wetroom System - Wet Room Tray
Verified 1 day ago
WM | Wetroom Materials
Wetroom Tray system with wall mounted linear drain and one way slope.
Unislope 4K Wetroom System
Verified 1 day ago
WM | Wetroom Materials
UniSlope® 4K allows level shower access at four entry points. Suitable for small and large tiles. Comes with Unidrain, Unislope preformed board and waterproofing membrane.
SharpDrain® Pro Linear Tile Insert/ Panel - Wet Room Drain
Verified 1 day ago
WM | Wetroom Materials
Low profile, linear wet room drain suitable for low floor depths.
SharpDrain® Polished Concrete - Wet Room Drain
Verified 1 day ago
WM | Wetroom Materials
A wet room drain designed for polished concrete floors.
PourFlex Square - Wet Room Drain
Verified 1 day ago
WM | Wetroom Materials
A square wet room drainage system for Resin and Micro-cement Floors
Unidrain Corner Wet Room Drain
Verified 1 day ago
WM | Wetroom Materials
A stainless steel corner drain suitable for wet room showers.
Unidrain 3004 Middle of the Floor Wet room Drain
Verified 1 day ago
WM | Wetroom Materials
A linear shower drain for shower areas without fixed side walls.
SharpSlope® Linear - Wetroom Tray with Integrated Steel Drain
Verified 1 day ago
WM | Wetroom Materials
A linear wet room drain and shower kit that allows for a wet room to be created with level access at four points.
Unislope 2K Wetroom System
Verified 1 day ago
WM | Wetroom Materials
Wetroom system with wall mounted corner drain, preformed tray, and waterproofing membrane.
Unislope 3K Wet room Kit
Verified 1 day ago
WM | Wetroom Materials
Wet room kit including Unidrain linear drain, Unislope Board and waterproofing membrane.
Showing 1-36 of 777