Ultra Deck flat roofboard is a high performance laminated board that provides both insulation and plywood decking for flat and low pitch timber joist roofs. The board size is 1200mm x 2400mm and consists of an external grade 6mm plywood decking board factory bonded to rigid foilbacked polyisocyanurate (PIR) insulation. Easily handled and installed, it offers a practical and cost effective solution for both new build and refurbishment projects. Benefits of using Ultra Deck • High performance rigid insulation – excellent thermal performance. • Insulation, structural decking and vapour control layer are combined in one board and one fixing operation. • Buildings are quickly watertight. • Suitable for use beneath most bitumen based and single ply waterproofing systems. Ultra Deck Roofboard Data Sheet