Hey Dave, I take it CHB is cinder hollow-core blocks. Correct? In that case, yes pretty useless, but in terms of masonry, there aren't too many...
How did you get on with your wall mate?
Hey Dave, your pics tell a lot of what is not right. Firstly, concrete is made of sand, cement and coarse aggregate (crushed rock or stone),...
G'Day all. I have read a lot in this thread and from what Dave has shown in his posts and photos, it is all too typical throughout the building...