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CLT (Cross Laminated Timber) – cross-glued wooden wall slabs and ceilings for residential and non-residential buildings. Massive building material made of wood. Due to its excellent physical and mechanical properties, it has excellent thermal insulation properties and can withstand heavy loads. The vertical lamellae of the plate set the bearing capacity, the horizontal ones-the longitudinal stiffness. The adhesive seam between the lamellas is formed at the molecular level and is absolutely harmless, since only European-certified adhesive systems are used.
CLT panels in a variety of shapes and sizes. The maximum panel size is 16 meters long, 3.5 meters wide and 0.4 meters thick.
Panels can be polished on both sides, either along or across their length, for improved appearance. The company uses a modern computer-controlled processing center for format processing, milling and cutting finished CLT components.
The entire CLT production line is controlled by a PC-based computer system developed by Ledinek Engineering, which provides production process control, production flow control and visualization, statistics, real-time information feeds and production analysis tools.
ANNUAL CAPACITY
50 thou. m³
APPLICATION
structural elements for walls, floors and roofs
DIMENSIONS
Lengths
up to 16.0 m
Widths
Up to 3.5 m
Thicknesses
60 to 400 mm
Standard width
2,40 m / 2,50 m / 2,70 m / 3,60 m
WOOD SPECIES
spruce
LAMELLAS
kiln dried, quality graded and finger-jointed
LAMELLAS THICKNESSES
20 to 45 mm
STRENGTH CLASS (LAMELLAS)
C24 according to EN338 (equivalent to S10 acc. to DIN 4074)
GLUING
formaldehyde-free PUR adhesive, approved for load-bearing indoors and outdoors timber components use
WEIGHT
Approx. 470 kg/m³ for transport determination; for static calculations – 500 kg/m
SURFACE QUALITIES
non-visible / industrial visible / residential visible
SURFACE
Planed / Sanded
MOISTURE CONTENT
12% (± 2%) at point of delivery
DIMENTIONAL STABILITY
Longitudinal
0,010% per % of change in moisture content
Perpendicular
0,025% per % of change in moisture content
THERMAL CONDUCTIVITY
λ = 0.12 W/(m·K) according to EN ISO 10456
HEAT CAPACITY
c = 1.60 kJ/(kg·К)
AIRTIGHTNESS
airtight for a panel width of 90 mm or more
SOUND INSULATION
dependent on wall or ceiling build-up
Table 1. Types of panels
| Layer Thickness, mm | Numer of Layers | Panel Thickness, mm |
||||||
| 60 | 3 | 20 | 20 | 20 | ||||
| 80 | 3 | 20 | 40 | 20 | ||||
| 90 | 3 | 30 | 30 | 30 | ||||
| 100 | 3 | 40 | 20 | 40 | ||||
| 120 | 3 | 40 | 20 | 40 | ||||
| 100 | 3 | 20 | 20 | 20 | 20 | 20 | ||
| 120 | 5 | 20 | 30 | 20 | 30 | 20 | ||
| 140 | 5 | 40 | 20 | 20 | 20 | 40 | ||
| 160 | 5 | 40 | 20 | 40 | 20 | 40 | ||
| 160 | 5P2 | 30+30 | 40 | 30+30 | ||||
| 180 | 5 | 40 | 30 | 40 | 30 | 40 | ||
| 200 | 5 | 40 | 40 | 40 | 40 | 40 | ||
| 180 | 7 | 20 | 40 | 20 | 20 | 20 | 40 | 20 |
| 200 | 7 | 20 | 40 | 20 | 20 | 20 | 40 | 20 |
| 220 | 7 | 40 | 20 | 40 | 20 | 40 | 20 | 40 |
| 220 | 7P2 | 40+40 | 20 | 20 | 20 | 40+40 | ||
| 240 | 7 | 40 | 40 | 20 | 40 | 20 | 40 | 40 |
| 240 | 7P2 | 40+40 | 20 | 40 | 20 | 40+40 | ||
| 260 | 7 | 40 | 40 | 40 | 20 | 40 | 40 | 40 |
| 260 | 7P2 | 40+40 | 40 | 20 | 40 | 40+40 | ||
| 280 | 7 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| 280 | 7P2 | 40+40 | 40 | 40 | 40 | 40+40 | ||
| 300 | 8P2 | 40+40 | 30 | 40+40 | 30 | 40+40 | ||
| 320 | 8P2 | 40+40 | 30 | 40+40 | 30 | 40+40 | ||
It is allowed to manufacture panels not included in the table with a thickness of 60 mm up to 400 mm by prior agreement
Table 2. Dimension tolerances
| Tolerances in long directions (in lenght), mm | -0/+10 |
| Tolerances in hsort direction (in width), mm | +/- 4 |
| Tolerance in thickness, mm | +/-1 |
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