Moisture-resistant and structural chipboard with integrated vapour- and airtight barrier for construction
CE norm: P5
Humid conditions - service class 2
Airtight and vapour barrier
100% recovered wood
Moisture resistant and structural P5 chipboard with an integrated airtight and vapour controlled coating. Durelis VapourBlock is suitable for use in humid conditions, service class 2, mainly used as racking board in walls for timber frame construction. Durelis VapourBlock is made from 100% recovered wood: up to 90% post-consumer wood, supplemented by 10% pre-consumer wood from waste flows from the wood industry or thinned wood from sustainable forestry and verge management.
Applications - Exterior wall element Racking board
Available fire reaction classes - D-s2-d0
Durelis Vapourbock is a Durelis board with an industrially applied, transparent vapour barrier on one side. Thanks to this technology, the Vapourbock vapour barrier has a constant μ value of 510 over the whole surface of the board. This ensures that the board is extremely airtight (< 0.001 m3/m2/h/Pa at 50Pa-1Ąmm). It is important to always seal all joints and cracks with suitable airtight tape. Durelis Vapour ock boards can be used in service class 2 (limited temperature and atmospheric humidity), in biological hazard classes 1 and 2 of EN Standard 335-3.
Durelis Vapourblock is an ideal solution for applications in timber-frame construction and in low-energy passive house building.