We live in a house originally built in the early 1920's. It is a great house but there is much work to be done. How can we go about finding out more about chemical paint stripping? We have been using a sander on the wood doors (which the previous owners had put a few coats of paint on) and on the radiator which took about 5 days to strip. Since there are more doors, radiators in the house, what should we do? Where can we find a company who does chemical paint stripping and how expensive is it? Thanks.