Further to the recent bathroom from hell thread, our new bog hasn't got the normal floor mounting screw holes, it only has horizontal holes towards the back of the pan.
How the hell are you supposed to secure them ? - it can't be dropped in from above because it wouldn't be possible to get either the flush pipe or the soil pipe in (already having to use a flexi soil pipe contrary to the comments make about them on here)
Just to make life hard, the rear face starts flat against the vanity unit low down, then slopes away and out so there's a gap of about 10mm to fill at the top. The first attempt at using silicone on it failed as soon as we removed a brace we used to minimise movement while it set...
My ol' man's doing it, and about the best he could come up with was his normal "fill it full of expanding foam" method of fixing (which he's been known to use for anything from skirting to tiles to back- boxes for sockets etc !)