Hi, thank you for your reply - I've messed up here rather!!
The door is 89 cms wide and 163 cms tall - height is restricted! It has three double glazed panels the top one of which is a top-hung opening window. This window no longer works, I think because of the distortion to the door. The door has dropped away from the hinge and the corners are no longer right angles and cross bars are not horizontal.
The manufacturer says it is because the frame is not true - it is slightly out but the door was great for the first couple of weeks.
What tolerances are allowed re the frame? There is about a cms difference between the height of the door at the hinge side and the height of the door at the handle side.
Really appreciate a reply
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