hi,
i have to take up some old 450x450 slabs and lay new paving with a mixture of sizes. should i take up all and lay on soil with sand and cement or is it ok to just take up the slabs and lay on the old base?
have a good read of the site, digest and come back should you have any specific queries about things. because the questions you are asking are all answered in painstaking detail on the website!!!!