James Hardie 404689 Scyon Secura Exterior Flooring Sheets 2400 x 600 x 22

James Hardie 404689 Scyon Secura Exterior Flooring Sheets 2400 x 600 x 22. An external structural flooring substrate An external structural sheet flooring substrate for tile finishes over timber or lightweight steel floor joists. Simple and fast to install, Secura™ exterior flooring helps give you extra peace of mind against moisture damage to balconies and verandahs. For use in tiled residential balconies and verandahs As an external substrate for tiled residential balconies and verandahs. It’s an alternative to particle board, plywood or compressed fibre cement.