... laying pipes under the floor in the room, heating the floor properly by hot liquid in the ... protecting, healthy and comfortable, it’s the ideal choice for the modern building supporting facilities.“Seher” PE- RT pipe ... .6, Rust-proof, long service life;7, Easy for butt welding or fusing welding, good in waterproof;8, ... function, can save a large of energy when heating. PE-RT pipes for floor heating