UltraRib is a PVC-U gravity sewer system suitable for adoptable and non-adoptable sewer installations at depths of up to 10m. 

Smooth internal surface for enhanced flow, with concentric external ribs to provide axial rigidity and enhanced radial strength. 

Lightweight for ease of handling on site.

Dimensions

Available in 150mm, 225mm and 300mm sizes.

Materials

Pipes: PVC - U

Fittings: PP or PVC - U

Sealing rings: EPDM

Accreditations

BS EN 13476-3

Manufactured to Water Industry Standard (WIS) 4-35-01.

Holds BBA certificate numbers 98/3472, 10/H151 and 14/H214

Stiffness classification: SN8

Colour

Golden Brown