A barrier pipe is a type of plastic water pipe used in domestic heating systems. The pipe is manufactured with a barrier that prevents oxygen from penetrating the material and entering the water system, reducing the risk of corrosion.The 'barrier' is usually a resin material bonded between the outer and inner layer of the pipe itself. The pipe been either a cross linked polyethylene or polybutylene. As the use of barrier pipe overtakes other traditional methods, online retailers like www.pipestation.net prove to be massively popular due to cost savings and swift delivery