Products
Caught at the surface, kept reachable, cleaned up, then held back or soaked away - the Polydrain range is arranged the way surface water actually travels through a site, so you can find the product by the job it does.
The water journey
Five system groups, in the order water meets them.
- 01DrainCollecting surface water through channels, gullies and systems.View all Drain
- 02Access & InspectSafe access for monitoring and maintenance below ground.View all Access & Inspect
- 03TreatRemoving silt, debris and pollutants to improve water quality.View all Treat
- 04Attenuate & InfiltrateStoring water, or letting it infiltrate naturally.View all Attenuate & Infiltrate
Browse by stage
Drain
Surface water drainage channels and systems
Low FlowA15
Compact 50mm channel drainage for tight spaces.
Shallow FlowA15–B125
UK-made linear drainage for domestic and light commercial sites.
StormDrainA15
Versatile linear drainage for driveways, patios and paved areas.
Threshold DrainA15
65mm-wide drainage that sits flush at the door.
ProDrainD400
D400 polymer-concrete channel drainage.
UltraDrainF900
F900 heavy-duty channel drainage for the highest wheel loads.
Access & Inspect
Inspection chambers, access covers and frames
MaxiChamber 320
Compact 320mm inspection access for 110mm drainage.
MaxiChamber 450
450mm inspection access, from shallow runs to 6m deep.
MaxiChamber 600
Heavy-duty 600mm inspection access to 6m deep.
Manhole Covers & Frames15–35 kN
Secured square covers and frames in 320 and 450mm, load tested to BS EN 124 A15, with a dual locking facility and an enhanced slip-resistant tread pattern.
Rodding Points
45° oval and square rodding eyes providing maintenance access to below-ground pipework in gravity drainage and sewerage systems.
Treat
Silt, debris and pollution control
Catchpits
Catchpit chambers trap silt, leaves and grit before they can settle further down the system. 450mm diameter, 825mm deep with a 300mm sump, in three variants for 150mm twinwall, 160mm sewer and 225mm twinwall pipework.
Silt Traps
HydroCell silt traps providing upstream protection for attenuation, retention and infiltration systems. Filter baskets included, with alternative depths and inlet/outlet options to suit the incoming network.
Attenuate & Infiltrate
Attenuation and storage
Connect & Install
Adaptors, junctions and installation aids
Fabrications
Twinwall-to-sewer adaptors, reducers and 45°/90° junctions that let different pipe systems meet with a secure, watertight transition — plus made-to-order items for non-standard schemes.
Pipe Lubricant
WRAS-approved, water-based Polydrain pipe lubricant for PVC-U, HDPE and polypropylene push-fit joints. Available in 500g, 1kg and 3kg packs.