Chrisamyphillip
New Member
Stupid question maybe, but going to ask anyway.
Just doing the K11 tanking and rather than using their sulphate resistant ready render (£'s), I'm using the alternative sand/cement 4:1 with SBR 1:4 BUT can I use Blue Circle General Purpose Cement or must it be Portland OPC?
Just doing the K11 tanking and rather than using their sulphate resistant ready render (£'s), I'm using the alternative sand/cement 4:1 with SBR 1:4 BUT can I use Blue Circle General Purpose Cement or must it be Portland OPC?