Hi,
I’m building a retaining wall using concrete blocks laid flat. Is there any reason why shouldn’t use 140mm blocks, just thinking as an amateur block layer it will mean fewer joints?
Are 7NF blocks the standard I should be using?
Thanks in advance.
Jon
I’m building a retaining wall using concrete blocks laid flat. Is there any reason why shouldn’t use 140mm blocks, just thinking as an amateur block layer it will mean fewer joints?
Are 7NF blocks the standard I should be using?
Thanks in advance.
Jon