Standard sizes: thicknesses, widths and lengths
Standard sizes: thicknesses, widths and lengths
Dimensions mean nominal sizes with the moisture content of the sawn timber at 20%.
The most common lengths vary between 2.7 m and 5.4 m in steps of 300 mm. Other lengths and modules must be agreed separately. Thickness and width dimensions mean the nominal sizes of the timber at a moisture content of 20%.
The standard measurements of sawn, dimensioned and all-round planed timber are shown in the following tables:
MOST COMMON CROSS-SECTIONAL DIMENSIONS FOR SAWN TIMBER |
|||||||||
---|---|---|---|---|---|---|---|---|---|
THICKNESS (mm) |
WIDTH (mm) |
||||||||
50 |
75 |
100 |
125 |
150 |
175 |
200 |
225 |
250 |
|
19 1) |
|
|
X |
O |
O |
|
|
|
|
22 2) |
JH X |
JH X |
X |
X |
X |
O |
O |
|
|
25 1) |
O |
O |
X |
O |
O |
O |
O |
O |
|
32 |
|
O |
X |
O |
O |
O |
O |
O |
|
38 |
|
|
X |
X |
O |
O |
O |
O |
|
44 2) |
|
|
O |
O |
O |
O |
O |
O |
O |
50 |
|
JH X |
X |
X |
X |
X |
X |
O |
|
63 |
|
|
O |
O |
O |
O |
O |
O |
|
75 |
|
JH O |
O |
O |
O |
O |
X |
X |
|
100 |
|
|
X |
O |
O |
O |
O |
O |
|
125 |
|
|
|
X |
|
|
|
|
|
150 |
|
|
|
|
X |
|
|
|
|
1) usually pine 2) usually spruce JH = usually done by splitting afterwards, whereby the width is 2 mm less that the nominal size x =standard size o = rarely produced size |
MOST COMMON CROSS-SECTIONAL DIMENSIONS FOR DIMENSIONED SAWN TIMBER |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
THICKNESS (mm) |
WIDTH (mm) |
||||||||||||
|
48 |
66 |
73 |
95 |
98 |
120 |
123 |
145 |
148 |
173 |
198 |
223 |
248 |
20 1) |
|
|
|
X |
|
X |
|
X |
|
|
|
|
|
42 |
|
X |
O |
|
O |
|
O |
|
O |
O |
O |
O |
|
48 |
X |
|
X |
|
X |
|
X |
|
X |
X |
X |
X |
O |
1) finely-sawn surface x = standard size o = rarely produced size |
MOST COMMON CROSS-SECTIONAL DIMENSIONS FOR ALL-ROUND PLANED SAWN TIMBER |
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
THICKNESS (mm) |
WIDTH (mm) |
||||||||||
|
15 |
21 |
28 |
33 |
45 |
70 |
95 |
120 |
145 |
170 |
195 |
8 |
|
X |
|
X |
X |
X |
X |
|
|
|
|
12 |
|
|
|
X |
X |
X |
X |
|
|
|
|
15 1) |
X |
|
|
X |
X |
X |
X |
X |
X |
O |
|
18 2) |
|
|
|
|
X |
O |
X |
X |
X |
O |
O |
211) |
|
X |
|
|
X |
X |
X |
X |
X |
X |
X |
28 |
|
|
X |
|
X |
|
X |
O |
O |
|
|
33 |
|
O |
|
X |
X |
X |
X |
O |
O |
|
|
45 |
|
|
|
X |
X |
X |
X |
X |
X |
O |
X |
70 |
|
|
|
|
|
X |
|
|
O |
|
O |
1) usually pine 2) usually spruce x = standard size o = rarely produced size |