by arbucleuk »
Mon Mar 17, 2008 8:57 am
primer simple
Ruff up the old surface with a hevey grit paper get a good metal promer and give a couple of coats then is should stick fine.
You may want to try adding pva to the primer as well about 1 to 5, 1 part pva to 5 parts primer.
hope it helps and good luck