The Freeze Master is an easy to use pipe freezing system. Just connect the freezer heads to the pipe work, upstream and downstream of the area you want to work on. In a little under ten minutes, two solid ice plugs can be formed allowing you to carry out your repair quickly and efficiently within the isolated area. This has no adverse effects on the pipes. Once the work is carried out, simply remove the freezer heads, allowing the ice to thaw in minutes.