LumberCon Products & Details
2" LumberCon Joists and Planks
| Part Number | Nominal Size | Actual Size | Weight Per LF | Usage |
|---|---|---|---|---|
| LPC2812 | 2"x8"x 12' | 1.75"x7.75"x 12' | 11.5 LBS | Joist / Plank |
| LPC21212 | 2"x12"x 12' | 1.75"x11.75"x 12' | 17.7 LBS | Joist / Plank |
3" LumberCon Beams and Planks
| Part Number | Nominal Size | Actual Size | Weight Per LF | Usage |
|---|---|---|---|---|
| LPC31212 | 3"x 12"x 12' | 3"x11.75"x 12' | 25 LBS | Joist / Plank |
Joist Span Comparisons
2" and 3" Plank Span Comparison - LumberCon to Wood
| Plank Size | LumberCon 50LB/SF | Pine 50LB/SF | LumberCon 100LB/SF | Pine 100LB/SF |
|---|---|---|---|---|
| Span | Span | Span | Span | |
| 2"x8" | 72" | 24" | 60" | 16" |
| 2"x12" | 72" | 24" | 60" | 16" |
| 3"x12" | 204" | 72" | 162" | 60" |
* A 50LB/SF load is recommended for residential construction and a 100LB/SF is recommended for commercial construction.
Stress Test Metrics
Capacity of LumberCon Planks in pounds per lineal foot
| Span Feet | 2 x 8 | 2 x 12 | 3 x 12 |
|---|---|---|---|
| 2 | 1315 | 1400 | 2500 |
| 3 | 575 | 1120 | 2400 |
| 4 | 320 | 600 | 1300 |
| 5 | 195 | 400 | 870 |
| 6 | 135 | 280 | 600 |
| 7 | 95 | 200 | 440 |
| 8 | 150 | 340 | |
| 9 | 124 | 260 | |
| 10 | 100 | 210 | |
| 11 | 175 | ||
| 12 | 150 | ||
| Plank weight | 11.5 plf | 17.7 plf | 25 plf |
Joist Loading Tables
Joist Loading Tables
Load in Pounds/Ft
3 x 12 with five .208" diameter prestressed wires
| Span Feet | 2 x 12 Lumbercon Joists | 3 x 12 Lumbercon Joists with five .208" diameter prestressed wires |
2 x 8 Lumbercon Joists |
|---|---|---|---|
| 4 | 2330 | 3095 | 700 |
| 4.5 | 550 | ||
| 5 | 1500 | 1980 | 450 |
| 5.5 | 370 | ||
| 6 | 1134 | 1375 | 310 |
| 6.5 | 264 | ||
| 7 | 830 | 1010 | 228 |
| 7.5 | 200 | ||
| 8 | 640 | 774 | 174 |
| 8.5 | 155 | ||
| 9 | 500 | 611 | 138 |
| 9.5 | 125 | ||
| 10 | 408 | 495 | 112 |
| 10.5 | 100 | ||
| 11 | 337 | 409 | 92 |
| 11.5 | 84 | ||
| 12 | 283 | 343 | 77 |
| 12.5 | 71 | ||
| 13 | 241 | 66 | |
| 14 | 208 | ||
| 15 | 181 | ||
| 16 | 160 | ||
| 17 | 140 | ||
| 18 | 125 | ||
| 19 | 113 |