I am going to go with the silicone, I have been reading up myself on it. Some say its ok others not so hard wearing, I'll stick with what i know :thumbup:
Emmm!!! Took advice from my eldest son using a glue gun on some home made caves! nice and strong when put together and underwater it seemed to decay very quickly (couple of weeks) before complete collapse!
I wouls air on the side od caution, and nor use on anything expensive like a squashed L46!