UK Plumbing & Electrical News

JG Speedfit (polybutylene) and Hep2O (PEX) are the two dominant plastic push-fit plumbing systems for concealed domestic hot and cold water pipework. This trade guide covers pipe properties, fitting preparation, barrier pipe requirements for heating circuits, pipe support centres, thermal expansion, UV protection, and common installation mistakes — with the key standards you need on site.

Pipe insulation is one of the most cost-effective measures a plumber can install. Properly lagged pipework reduces heat loss from hot water systems, prevents condensation on cold pipes, and protects against frost damage — all compliance-relevant outcomes under Part L of the Building Regulations and