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M1 BSP crossplan<br />
Product<br />
Lay-up and production<br />
Dimensions<br />
Technical approvals<br />
Types of wood<br />
Lamellas<br />
Strength classes<br />
(lamellas)<br />
Gluing<br />
Density<br />
Moisture content<br />
Dimensional stability<br />
Thermal conductivity<br />
Heat capacity<br />
Water vapour<br />
resistance factor<br />
Airtightness<br />
Sound insulation<br />
Reaction to fi re<br />
Charring rate<br />
Service classes<br />
6 Mayr-Melnhof Kaufmann<br />
TECHNICAL DATA<br />
M1 BSP crossplan is a large-format, solid timber panel (cross-laminated timber panel) with<br />
multi-layered, crosswise laminated lay-up.<br />
Finger-jointed and planed lamellas are loosely laid next to each other and the fl at surfaces of<br />
the layers glued at right angles to one another.<br />
To avoid uncontrolled stress cracks, the narrow sides are not edge-glued.<br />
The layers are pushed laterally to dimension before applying the pressure (1,2 N/mm 2 ) in<br />
order to obtain a gap-free surface.<br />
Lengths to 16,50 m<br />
Widths to 3,00 m<br />
Thicknesses 57 to 278 mm<br />
European technical approval ETA−09 / 0036<br />
German technical approval Z-9.1-638<br />
Spruce (Picea abies) from domestic forests; other wood species on request<br />
19 to 40 mm, kiln-dried, quality graded and fi nger-jointed<br />
C 24 acc. to EN 338 (equivalent to S 10 acc. to DIN 4074)<br />
A proportion of max. 10 % C 16 is permissible (ETA-09 / 0036)<br />
Melamine resin-based adhesive, Adhesive Type I acc. to EN 301 approved for the gluing of<br />
load-bearing timber components, for both interiors and exteriors, weather-resistant with<br />
transparent glued joint<br />
Approx. 480 kg / m 3<br />
12 % (+ / - 2 %) on delivery<br />
II to panel plane 0,01 % per % change in moisture content<br />
⊥ to panel plane 0,20 % per % change in moisture content<br />
λ = 0,13 W / mK<br />
c = 1,60 kJ / kgK<br />
μ = 60 (at 12 % moisture content)<br />
Airtight from a panel thickness of 95 mm<br />
Dependent on wall or ceiling build-up � see tested sample wall constructions<br />
According EN 13501: D, s2, d0<br />
(standard infl ammability, average smoke emission, no combustible drips)<br />
Fire resistance according to classifi cation report of HFA, EN 13501-2 REI 30 to REI 120<br />
Wall: 0,64 mm/min<br />
Ceiling: 0,71 mm/min<br />
1 or 2 acc. to ETA-03 / 0036<br />
Standard widths 2,40 m / 2,65 m / 2,75 m /<br />
2,90 m / 3,00 m<br />
Version 1 / 2011
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