
Dimensional Lumber Products from Fortress
Fortress began our business with dimensional lumber and it’s still at our core today. Beautiful homes need strong, long-lasting lumber and that’s why Fortress provides high-quality products that you can count on.
When ordering dimensional lumber from Fortress, there are a few steps to consider:


Choose Your Structural Grade

Choose Your Structural Grade
#2 Grade
Recommended for most general construction uses where moderately high design values are required. Allows well-spaced knots of any quality
#1 Grade
Recommended for construction where high strength, stiffness and good appearance are desired.


Choose Your Appearance Upgrades

Choose Your Appearance Upgrades
#2 Prime
Recommended where appearance and strength are a consideration. Grade based on No.2 Dimension Lumber except wane and other characteristics that affect appearance are limited. Available on 2x4 and 2x6 products.
#1 Prime
Recommended where appearance and strength are a consideration. Grade based on No.1 Dimension Lumber except wane and other characteristics that affect appearance are limited. Available on 2x4 and 2x6 products.


Choose Your Treatment

Choose Your Treatment
MicroPro®
All Fortress dimensional lumber comes standard with our MicroPro® treatment.
MicroPro MCA (Micronized Copper Azole) technology is a revolutionary preservative process offering many consumer benefits, including protection against termite damage and fungal decay, better corrosion resistance for code approved fasteners and hardware, direct aluminum contact, and better painting and staining qualities. MicroPro treated wood products are US building code compliant and are backed by a Residential and Agricultural Limited Warranty.
FortressPlus
A factory-applied water repellant protection with benefits that include:
Better initial protection from swelling and weathering cycles when compared to wood containing no water repellents.
The factory-applied water repellent provides protection to all six sides of the board, including those sides typically missed by a brush or spray-on repellent applied after installation.
Reduced cracking, warping and twisting due to swelling and weathering cycles. Reduced maintenance.
Guaranteed protection against rot, fungal decay, or termite attack. Brighter appearance for a more natural appearance.
Building code compliant.
Product Grid
Size | Grade/Description | Length Range |
---|---|---|
1x4, 1x6, 1x8 | Appearance Boards S4S | 6' – 16' |
1x4, 1x6, 1x8 | #2 Boards S4S | 8' – 16' |
1x6 | #2 Boards Rough | 16' |
1x4 | D & BTR KDAT | 12' – 16' |
2x4, 2x6 | #1 Prime S4S | 8' – 16' |
2x4, 2x6 | #2 Prime S4S | 8' – 16' |
2x4 | #1 S4S | 8' – 16' |
2x6, 2x8, 2x10, 2x12 | #1 S4S | 8' – 20' |
Not all options are available with all products; please see line card or your local Fortress dealer for complete availability information.
Size | Grade/Description | Length Range |
---|---|---|
2x6, 2x8, 2x10, 2x12 | #2 S4S | 8' – 24' |
4x4 | #1 S4S | 8' – 12' |
8x8 | #1 S4S | 10' – 20' |
4x4, 4x6, 6x6 | #2 S4S | 6' – 24' |
6x6 | #1 Radius Edge | 8' – 20' |
6x6 | #1 Square Edge | 8' – 16' |
6x6 | #1 Square Edge w/ No Wane | 10' – 16' |
Not all options are available with all products; please see line card or your local Fortress dealer for complete availability information.