The patio door in my parents house seems to have come off the top rail?? if there is a top rail.. well thats what it feels like to me, there was nothing wrong with the door one day the next its fuked,, glass is fine frame is fine,, bla bla bla,,, its just near impossible to open and close there both suffering from arthritis and have a hard time as its the only back door,,,, anyone here work with doors like this,, South Dublin Bray/Shankill,, got a quote of 2200 (joke shop??)