It's virtually impossible to water proof concrete, the water pressure is such that it'll force its way through the smallest pinhole/crack. This could be fixed on the inside by stripping everything back and with tanking…
How did he know he actually had covid? At the time, tests were strictly rationed to hospital patients and healthworkers.
It's virtually impossible to water proof concrete, the water pressure is such that it'll force its way through the smallest pinhole/crack. This could be fixed on the inside by stripping everything back and with tanking…
How did he know he actually had covid? At the time, tests were strictly rationed to hospital patients and healthworkers.