Hi Guys
As the title says i am looking into using this stuff, Its sticks very well to plasterboard as i have tiled
bathrooms in the past
However any folks on here used it to surface lay on that foam modeling board ? Reason i ask
is i have never used the foam base boards before i.e the thick blue stuff you see on the web
and have just ordered some to build a trench system.
What info im after is will it react with the foam, how durable is it in transit once dry ?
any advice would be much appreciated

, regards epic