Should the installers be tanking my new shower? Advice greatly appreciated

[Time's Ran Out]

Pleased to see you are doing as your Dad suggested.:hurray:
With the Homelux tanking kit at the price you quoted it should cover about 5sq mts and should take about 1 and no more than 2 hours to install.
It is fixed using the same waterproof adhesive as the tiles and if they use a fast set flexible cement based adhesive they should be able to tile on it within 2 hours from being fixed.
Check the tile size/weight issues for your walls and also the background preparation/substrate - if they are reluctant to tank they may well be reluctant to prepare correctly.:mad2:

 

[DHTiling]

Also check out Mapei's NEW!! tanking system.. Aqua defence and this is rapid drying..

 

[Scott]

For £6k they should be tanking it as a matter of course! The green boards may well be water resistane but not on the joins and where it meets the bath or tray.