aerated block

I'm about to reach my outbuilding's max height but another course of block would make it too tall when I come to doing the flat roof. Possible options a) 2 courses of brick then roof or b) 1 course of aerated block, cut short via reciprocating saw (around 30 units?). They sit on medium...

Hi there, any help would be greatly appreciated!! I've just taken off some tiles in the bathroom with the intention of dot and dabbing some plasterboard on to the aerated blocks (I think they're Thermalite) then plastering over the top. (It was a fully tiled bathroom but I'm changing it to a...