what tanking kit should i buy ?

[jay]

use laticrete hydroban waterproofing over here and lati recommend paint able mastic to all internal corners and junctions then tape with two coats hydroban they do not recommend Silicon as not much will stick to it:8:

 

[Dan]

Just bumping some of the older popular (sometimes not so popular) threads. Probably wont be current discussion these days but I just need to do it. So just ignore the thread if it's not current for you.