JG Speedfit 15mm x 100m Layflat polybutylene pipe coilJG Speedfit 15mm x 100m Layflat polybutylene pipe coil offers exceptional flexibility and ease of handling, making it ideal for long runs in central heating systems. The layflat design ensures the pipe remains straight when uncoiled, preventing memory issues and simplifying installation through joists and beams. Its five layer construction includes a central coloured oxygen barrier that reduces air ingress and protects metal components from corrosion,