Is all in ballast ok for a concrete floor. The floor is being raised in a hallway.
Part is being raised by 130mm to bring it to level with the rest of the hall, then a 50mm layer is required over the entire area. Is ballast ok for this (trowelled to smooth).
Part is being raised by 130mm to bring it to level with the rest of the hall, then a 50mm layer is required over the entire area. Is ballast ok for this (trowelled to smooth).