OSB 4 Ecoboard is a wood-based panel for use in construction that requires excellent load-bearing and dimensional stability capacities. It offers impressive technical values in compliance with EN 300 and EN 13986 and is particularly suitable for heavy-duty constructions. OSB 4 Ecoboard is also available in a variety of formats with a tongue and groove profile on all 4 sides or butt edges, with the tried and tested Contiface surface. It provides excellent results in the construction sector thanks to its reinforced technical properties. It is used in sturdy construction elements and for structural and load-bearing purposes in roof, wall and floor areas. This product can be used as an airtight layer or vapour barrier in a vapour permeable construction, so that the use of additional isolation foil is unnecessary.