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Span chart
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Proj.
|
8'
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9'
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10'
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11'
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12'
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13'
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14'
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15'
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16'
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17'
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18'
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19'
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20'
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10#
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X
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20#
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X
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30#
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X
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35#
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X
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40#
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X
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Notes: Spans are for 3" Thick Roof
Span chart
|
Proj.
|
8'
|
9'
|
10'
|
11'
|
12'
|
13'
|
14'
|
15'
|
16'
|
17'
|
18'
|
19'
|
20'
|
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10#
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X
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20#
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X
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30#
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X
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35#
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X
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40#
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X
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Notes: Spans are for 4" Thick Roof
Span chart
| Proj. |
12' |
14' |
16' |
18' |
20' |
22' |
24' |
26' |
28' |
| 10# |
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X |
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| 20# |
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X |
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| 30# |
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X |
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| 35# |
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X |
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| 40# |
X |
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Notes: Spans are for 6" Thick Roof
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