hello, i have two seperate stains on my block paved driveway of which i need advice. the first is rust marks off a bench and secondly mortar spills . i have tried power washing them with no result. please help
Have you had a look at the DIY Doctor Projects area yet: https://www.diydoctor.org.uk/projects.htm There are several projects related to removing stains and marks that may be of some help to you!