Calumet Harbor Lumber actively trades and sells nearly all types of softwood dimension lumber and timbers, specializing in hard-to-find structural grades and treatments.
- To eliminate freight concerns, we service from reloads throughout the country, including our Chicago hub
- Less-than-unit quantities are available upon request and custom products can be shipped reliably and efficiently throughout North America
- All of our products can be machine sized to fit your specs
Standard dimension lumber
- Fir, Pine, Spruce and more
- Grades select structural #1, #2, Standard & BTR, #3, Economy, #4
Treatments
- CCA
- Firetreat – Interior/Exterior
- Penta
- Creosote
- ACZA
- ACA
- ACQ
- MCA
- CBA
- Kopper 8
- CA
SPECIALTY STOCKED ITEMS
| Treated Dimension | ||
| Size | Finish | |
| 3" x 10" | .60 CCA + .31 CA | |
| 3" x 12" | .60 CCA + .31 CA | |
| 6" x 8" | .60 CCA + .31 CA | |
| 8" x 8" | .60 CCA + .31 CA | |
| 12" x 12" | .60 CCA + .31 CA | |
|
Douglas Fir | Select Structural, #1, #2 Rough and Smoth |
|
| Size | Length |
| 3" x 10" | 8' through 20' |
| 3" x 12" | 8' through 20' |
| 6" x 8" | 8' through 20' |
| 8" x 8" | 8' through 24' |
| 12" x 12" | 8' through 32' |
| 12" x 16" | 8' through 32' |
These are just a few select examples of the wide variety we have to offer, each of which can be re-milled to fit your finished dimensions.