Copper pipework is ideal for domestic gas installations.  It is reliable, durable, impermeable, lightweight and fits into tight spaces.  Copper can be joined using a number of proven jointing techniques.

BS 6891:2015 – Specification for the installationand maintenance of low pressure gas installation pipework of up to 35mm (R11/4) on premises - gives information on materials, design and installation techniques for gas systems.  The main jointing technique used in domestic gas installations is capillary soldering and joints should be completed in the accepted way.