I have a large thatched barn recently (6 months) laid with a concrete floor to replace the original mud floor. The concrete was dusting badly, especially near where a table tennis table sits, so I have now treated it with two coats of diluted (1:5) pva.
My question is whether the addition of floor paint (at some considerable expense and effort) is going to serve any useful purpose or whether it is purely aesthetic. The surface is currently quite rough so I do not need to add any anti-slip coating. All I need is a durable surface that will not powder.