How do you install tub enclosure? ...

Any one know of any websites that hand...
Answers:    If it is a pole, there should be a bracket, this is usually surrounded by the ends of the pole, screw them to the wall and put the pole onto them. If it is a screen, at hand should be a rail inside the spine of the blind, take it out, drill the holes within line on the wall, fit the blind over the rail and screw the eyeshade to the rail rank and plumb, silicone the outside of the rail/wall, not the inside.
How much of a cavity do I go...
it is usualy a pole or a bend pole that you dril and screw fix to the walls and then stick a plastic curtain.or if it's a chalice screen again screw fixed to the wall