thanks for the reply. It’s 20mm engineered boards.
I assumed it would just need a ply subfloor. The caberboard seems excessive but I don’t know the reason why I would need to use both?
Hi,
I’m planning to fit engineered plank floorboards in a living room. It’s an old Victorian house with suspended floorboards and a large cellar space underneath. I’ve been advised to lift the existing floorboards to the joists. Then lay caberboard with ply on top. The engineered floor will be...