Dimension & Timbers

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 Dimensions

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 Smooth

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 20′
12″ x 12″	8′ through 20′
12″ x 16″	8′ through 20′

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.