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TRIM BOARDS | SIZES  

Thickness Width
Nominal (inches) Nominal (mm) Actual (inches) Actual (mm) Nominal (inches) Nominal (mm) Actual (inches) Actual (mm)
Rough (Undressed)
1


5/4



25


32
¾
13/16
7/8
1-1/8
19
21
22
29
2
3
4
6
8
10
12
51
76
102
152
203
254
305






11¾
44
70
95
146
197
248
298
S1S2E or S4S (Dressed)
1



5/4
2

25



32
51

11/16
23/32
3/4
13/16
7/8
1-1/32
1-1/2
1-9/16
17
18
19
21
22
26
38
40
2
3
4
6
8
10
12
51
76
102
152
203
254
305
1-9/16
2-9/16
3-9/16
5-9/16
7-3/8
9-3/8
11-3/8

40
65
90
141
187
238
289


Note: These are nominal sizes, actual sizes may vary by manufacturer.



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