UNDERFLOOR HEATING PIPE, PERT-EVOH-PERT
16mm diameter x 2mm wall thickness
PERT-EVOH-PERT . PERT is 'Raised Temperature Polyethylene and this coupled with an EVOH oxygen barrier which prevents Oxygen Diffusion up to 80°C which is twice BS7291 and Oxygen permeability approximately 0.01g(m³d) - 10 times greater than BS7291.
'EasiLay' Plastic Barrier Pipe from Underfloor Heating from Plumbing and Heating-Solutions
This pipe has a 10 year insurance warranty and a 50 year manufacturers guarantee