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Al, polish the mould to within an inch of it,s life. The more shine you can get on the mould then the easier it will be to remove from the mould and the better the finish will be on the part. With a half dozen coats of good wax, either a car wax of good furniture wax ( I have used both at different times and achieved good results with both) then carefully put in a layer of PVA with a sponge making sure that you get into all the corners, allow that to dry then you can lay in the gel coat and carry on as normal. I have in the past eased the part loose in the mould while it is still green and then allowed it to sit in the mould overnight to cure. Hope this helps. ben
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