letsavago, there are people talking about double glazing on this website! I sympahise with your 'poor health', but please keep your unconstructive comments to yourself. I have not broken any forum regulations and the administrator has even joined in on this thread. I am merely trying to broaden my chances by asking for other peoples advice who have had a similar experience...not hurting anyone. Apologies if this has caused you offense, in which case, I suggest you do not follow.