yeah ,where abouts are you.i work for a company fitting exterior pvc sills.we fold pvc to the shape of original concrete sills,so you could make a pvc sill to slip over your exsisting ones.we also use aluminuim and and stainless steel,although expensive i dont think the dog would chew on it much.regal_ronnie@yahoo.co.uk
ronnie
July 2008
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