where do I by hinges for UPVC Windows, my windows are rectangilar push open, hinges slided up and down to their stop point to keep windows open. now the hinges don't stop on it's points and it closes it self. I want to replace them please advice wher to buy?
Try tighting the grub screw on the slidle part of the hinge. half a turn at a time, equal each side.
To replace a Double glazing contractor is your best bet.
