Roof boarding or structural roof panels: Kerto® LVL offers a highly material-efficient solution due to its exceptional strength. Primarily, Kerto® Q-panel, Kerto L-panel, and Kerto Kate are utilized for this purpose. Whether as prefabricated elements or individual panels installed on-site, this material is versatile enough to be used in constructing anything from simple garages to complex, specialised building projects. In many cases, the Kerto® LVL surface remains visible, showcasing its natural beauty. Kerto® LVL is employed in creating roof elements for industrial buildings, warehouses, sports halls, detached houses, apartment blocks, offices, and barns.
The element manufacturers benefit from the project-specific dimensions of the boards – lengths of two to a maximum of 25 metres are available. The usual width is 0.9 to 2.5 metres. In addition, thicknesses of 21 to 75 millimetres are possible, with Kerto Kate also thicknesses of 15 and 18 millimetres.
Kerto® LVL has transverse layers, and cantilevers over the corner area – i.e. on the eaves and gable side – are also possible. In addition, the boards can be laid parallel and transverse to the rafter and beam position. The panels are also available with half-laps, which enables them to create bracing roof diaphragms.
Kerto® LVL panels can be connected using coupling boards. The roof diaphragm is typically constructed with offset joints on rafters or trusses, with spans ranging from 0.5 to 2.5 meters. Fastening methods include staples, nails, or screws. Additionally, Kerto® LVL can function as a vapor barrier in the roof area. With the appropriate thickness, this natural wood-based material can achieve fire resistance class F30 without additional measures.
The Finnwood software is ideal for structural calculations, offering the flexibility to select various aspects of the supporting structure, such as spans, support widths, inclinations, loads, and more. Additionally, Kerto® Q-panels are included in most design software. Metsä Support guides proven design principles and detailed execution information.
What are the benefits of using Kerto LVL in roof panel?
- Transverse layers in the material enable two-sided cantilevering (eaves and gable side)
- Bracing roof slab possible without additional measures
- Fine gradation of panel thicknesses from 15 to 75 millimetres for high flexibility and cost-efficient in every project
- High-performance panel material with high strength for slim solutions with low roof height
- Wide standard range and project-specific product dimensions for minimised waste
- Use for prefabricated element construction or as a structural element
- Material efficiency and high performance for a resource-saving construction method
The easy-to-install Top Slab connection is ideal for connecting roof elements to walls or beams, which is achieved by an overhang of the top panel.
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