use of aerated blocks

[ollie27]

Can lightweight aerated blocks be used outside and then renderd with stone cladding

[sparx]

Hi I'm a leckie but was asked today by a 'builder' if your gonna render them why u using b-heavy concrete blocks when u could use 'celcon'???!!!!

[ollie27]

Hi
I was told that you cannot use celcon lightweight blocks outside and then render with stone or slate cladding somthing to do about dampness

[piedpiper]

You Can use lightweight aerated blocks, when you render use a water repelent.