Advantages of Concrete Lumber
Concrete Lumber has a greater span capacity than same-size wood lumber and will not burn, rot, warp, rust, delaminate or splinter. It does not require any chemical treatment for insects or for ground or below grade uses.
2X Concrete Lumber Joists and Planks
| Part Number |
Nominal Size |
Actual Size |
Weight Per LF |
Usage |
| 2x6JW1K6C5 |
2"x6"x 16' |
1.5"x5.5"x 16' |
5.4 LBS |
Plank |
| 2x8JW2K6C5 |
2"x8"x 16' |
1.5"x7.25"x 16' |
7.2 LBS |
Joist / Plank |
| 2x10JW2K6C5 |
2"x10"x 16' |
1.5"x9.25"x 16' |
9.1 LBS |
Joist / Plank |
| 2x12JW3K6C5 |
2"x12"x 16' |
1.5"x11.25"x 16' |
11.1 LBS |
Joist / Plank |
| 2x14JW3K6C5 |
2"x14"x 16' |
1.5"x13.25"x 16' |
13.1 LBS |
Joist / Plank |
4X Concrete Lumber Beams, and Planks
| Part Number |
Nominal Size |
Actual Size |
Weight Per LF |
Usage |
| 4x6PW2K6C5 |
4"x6"x 7'-6" |
3.5"x5.5"x 7'-6" |
12.6 LBS |
Post / Plank |
| 4x6BW2K6C5 |
4"x6"x 15' |
3.5"x5.5"x 15' |
12.6 LBS |
Beam / Plank |
| 4x10BW6K6C5 |
4"x10"x 15' |
3.5"x9.25"x 15' |
21.3 LBS |
Beam / Plank |
| 4x14BW8K6C5 |
4"x14"x 24' |
3.5"x13.25"x 24' |
30.0 LBS |
Beam / Plank |
| 6x6PW3K6C5 |
6"x6"x 15' |
5.5"x5.5"x 15' |
19.9 LBS |
Post / Timber |
2X Joist Span Comparison - Concrete Lumber to Wood
| Joist Size |
Concrete Lumber 50LB/SF |
Pine 50LB/SF |
Concrete Lumber 100LB/SF |
Pine 100LB/SF |
| |
Span |
Span |
Span |
Span |
| 2"x8" W2 |
14’ |
12’ |
10’ |
9’ |
| 2"x10" W2 |
17' |
16’ |
12’ |
11’ |
| 2"x12" W3 |
20' |
19’ |
14' |
13’ |
| 2"x14" W3 |
22' |
21’ |
16' |
15’ |
2X and 4X Plank Span Comparison - Concrete Lumber to Wood
| Plank Size |
Concrete Lumber 50LB/SF |
Pine 50LB/SF |
Concrete Lumber 100LB/SF |
Pine 100LB/SF |
| |
Span |
Span |
Span |
Span |
| 2"x8" W2 |
72" |
24" |
60" |
16" |
| 2"x12" W2 |
72" |
24" |
60" |
16" |
| 4"x10" W6 |
168" |
24" |
150" |
16" |
| 4"x14" W8 |
168" |
24" |
150" |
16" |
Functional Comparisons
| Function |
Concrete Lumber |
Wood |
Steel |
Engineered Wood |
| Rot |
No |
Yes |
Yes |
Yes |
| Termites and Bugs |
No |
Yes |
No |
Yes |
| Burn |
No |
Yes |
Not Good |
Yes |
| Splinter |
No |
Yes |
No |
Yes |
| Freeze-Thaw |
Excellent |
Not good |
Excellent |
Not good |
| Warp |
No |
Yes |
No |
Yes |
| Delaminate |
No |
No |
No |
Yes |
| Chemicals |
No |
Yes |
No |
Yes |
| Life Cycle Maintanence |
Excellent |
Not good |
Excellent |
Not good |
| Rust |
No |
No |
Yes |
No |
