Pipelifes ?Easy-Lay? Polybutylene plumbing & heating pipe has lie flat technology which ensures ease of installation. Available in 10mm, 15mm, 22mm & 28mm sizes in both white and grey colours, this extensive range of pipe offers installers the solutions they need. With full BS7291-Class S and WRAS approvals, specifiers & installers can have full confidence in the quality and reliability of this range