Never heard of it before. Its a 'weld' type glue, similar to using solvent weld on plastic, but for joining copper pipe and fittings.
Seems fooking expensive (£15 to £20 a tube), and not sure that I would sleep well if all the joins in my house were made this way.
Seems fooking expensive (£15 to £20 a tube), and not sure that I would sleep well if all the joins in my house were made this way.