Has anyone used these
http://www.screwfix.com/p/2-gang-back-box-protector-pack-of-50/50297
I have been cutting bits of corrugated cardboard to size, but it is a right faff, so precut ones would be handy.
http://www.screwfix.com/p/2-gang-back-box-protector-pack-of-50/50297
I have been cutting bits of corrugated cardboard to size, but it is a right faff, so precut ones would be handy.