Decking board

a) European larch 28 × 145
– length range: 3.0 – 5.0 m
– material; European larch
– moisture content 16-18% +/- 2% (general construction)
– available qualities; AB or BC
– narrow both side groove
– material intended for external use

b) Siberian larch 26 × 145
– length range: 3.0 – 5.1 m
– material; Siberian larch
– moisture content 16-18% +/- 2% (general construction)
– available qualities; AB or BC (first and second grade)
– narrow both side groove
– material intended for external use
comments: possible choice of another profile