windows and doors

I've just had the windows and door replaced in my flat and the last time I did this was in my old house, some 25 years ago, and from what I remember - everything was a nice snug fit with minimal gaps around doors – like 1-2mm tops. But this installation has a 7mm gap on the inside between the...

I have a pocket door (eclisse I think) that is dragging, I can see that the screws have come loose on one of the runners (not sure of terminology here) where it is fixed to the door with a metal plate. The actual mechanism works fine it just needs to be screwed in properly to stop the door...