Uniblade offer lots of different sizes of shower seal for most cubicles and also offer a bath screen seal which will fit most straight single panel screens. The Uniblade is a unique seal which can be cut down and shaped to fit. Also, Uniblade offer a shower door runner which will fit most cubicles with broken door runners. Google them for more details.

 

Watch this video to see how to fit the Uniblade shower seal: