try your local big hardware shop there are basically 2 types. One is basically a paint and easy to apply and is normally waterbased, the other is tarmac based which is applied with a brush and is like treacle, its harder to apply but gives many more years protection.
Gary
June 2006
I can answer this question...
what make of silver paint is used finnish flat felt roof?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix roofing.