Buteline Polybutene-1 (PB-1) pipe for the UK has a barrier layer applied during extrusion to prevent the ingress of air into the system, which can cause corrosion of metal components of circulated water heating systems (such as radiators and boilers).

Polybutene-1 (PB-1) is not a hybrid material and was specifically developed for use with hot and cold potable water. It can withstand high temperatures and pressures. It is a proven solution for the conveyance of clean healthy drinking water.

Buteline pipe meet the exacting British Standard BS 7291 and is fully WRAS approved.