best wood CLT – CEILING Cross laminated timber for solid ceiling constructions
The best wood CLT is a solid wood element for load-bearing purposes. It consists of at least three layers of cross-glued solid wood panels. Due to its excellent structural-physical properties, it is suitable for any structural requirement.
The crosswise construction in combination with high-quality flank and surface gluing ensures a high degree of dimensional stability and only leads to minor swelling and shrinkage deformations in the case of moisture changes in the panel plane.
A high degree of prefabrication of the best wood CLT with downstream joinery as well as the simple connection of the best wood CLT elements ensures fast and economical assembly.
Fields of application
Type of wood & Quality
- local spruce, industrial quality
- scandinavian spruce, visual quality
- local spruce KNOT-FREE
- 3 layers
- 5 layers
- 7 layers
|900 to 1200|
|Width||900–1200 mm, shiplap edge ≤1150 mm coverage dimensions|
|Minimum production length||per element width 8.00 m|
|Other cross sections||Available on request|
|General building approval||Z-9.1-874|
|Application classes||Use in application classes 1 and 2 according to EN 1995-1-1|
|Drying||Kiln dried, wood moisture max.12 % (±2%) at delivery|
|Bonding||Clear, water-proof gluing with polyurethane adhesives (free of formaldehyde)|
|Lamellae||20, 30 and 40 mm, sorted for quality and finger-jointed|
|General information||Planed on four sides, bottom side chamfered 4 mm (measured diagonally), trimmed precisely ± 1 mm|
|Heat conductivity||λ = 0.13 (W/m*K) according to EN ISO 10456|
|Specific heat capacity||1600 (J/kg*K) according to EN ISO 10456|
|Diffusion resistance||µ ≈ 40 according to DINV 4108-4 for the thickness of the lamellae and an additional 13 mm of wood thickness for each glued joint|
|Emission class||E1 according to DIN EN 717-1|
|Shape change||At board level ≈ 0.02 % per 1 % change in wood moisture perpendicular to board level ≈ 0.24 % per 1 % change in wood moisture|
|Reaction to fire||D-s2, d0 according to DIN EN 13501-1|
|Fireproofing||Verification possible via the free best wood STATICS software|
|Airtightness||Airtight after testing in accordance with EN 12114 from 60 mm|
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