Two 2x6s can share a size and still be different products. On a Minnesota jobsite, that difference shows up as crown, knots, wane, and how the wall looks after a winter of heat and a summer of humidity. Select and #2 are not lifestyle labels. They are grade names that describe allowed characteristics and, in structural use, how the piece is expected to perform.
Builders, remodelers, and serious homeowners who understand grade waste less time culling piles and have fewer callbacks on visible work. This article explains what common dimensional grades mean in practice, when paying for Select is worth it, and when #2 is the correct, economical choice for Minnesota framing.
How Softwood Grading Actually Works
Most dimensional lumber used in residential framing is visually graded under rules that limit knots, slope of grain, wane, shake, and other defects. The grade stamp names the species or species group, the grade, the mill, and the rules agency. Moisture content markings such as S-DRY or KD matter in Minnesota because wet material will move after it is built into a heated house.
Select Structural and the “Select” appearance conversation are easy to mix up. Select Structural is a high structural grade with tighter limits that affect strength values. Appearance Select, or boards sold as select finish, is about how the piece looks. On a jobsite, confirm whether you are buying a structural grade, an appearance grade, or a yard’s informal nickname. The stamp is the authority, not the bin sign alone.
What #2 Typically Means in the Pile
No. 2 is the workhorse grade for a great deal of wall and floor framing. It allows larger knots and more character than higher grades, and it is graded to published design values for that species and size. A competent framer expects to crown studs, reject the occasional wild piece, and still build a straight wall.
Problems start when #2 is used where the eye is unforgiving and the crew has no time to cull. A long, open-beam look, a stained stair stringer, or a window wall with minimal trim will show every knot cluster and twist. That is not the grade “failing.” That is the wrong grade for the view.
Minnesota weather adds a second filter. Material stored uncovered, or installed very wet, will check and move. Grade does not excuse poor storage. A #2 pile that was kept dry and stickered will outperform a higher grade that sat in a thawing driveway.
When Select or Higher Grades Earn Their Cost
Long spans, tighter deflection limits, and members that remain exposed are the usual reasons to step up. Select Structural or a specified higher grade can be required by the engineer. Appearance-focused select boards earn their keep on interior trim-adjacent framing, some beams that will be clear-coated, and jobs where labor to pick through #2 would exceed the upcharge.
Glenbrook Lumber and similar yards help most when the takeoff names grade, species, moisture, and which walls are visual. A blanket “all Select” inflates cost. A blanket “all #2” on a house with a lot of drywall-bead sensitive runs can inflate labor. Mix the grades on purpose.
Species, Size, and the Minnesota Jobsite
Spruce-pine-fir, Douglas fir-larch, and hem-fir show up with different typical looks and design values. A #2 2×10 in one species is not interchangeable with another just because the bin is closer. Check the plan spec and the stamp. Engineered lumber is the right conversation when spans or straightness needs exceed what dimensional stock can deliver consistently.
Stud grade versus #2 is another common mix-up. Stud grade is intended for vertical use in walls and has its own characteristics. Using random boards as studs because they are on the truck is how walls get wavy. Order the product for the use.
Culling, Crowning, and What Crews Should Still Do
Even good grade requires jobsite selection. Crown studs the same way. Keep wild grain out of long headers if the plan allows a swap. Return pieces with stamp or moisture problems rather than burying them in a closet wall and hoping. Grade is a starting filter, not a promise that every board is furniture.
Communicate with the yard when a package is consistently off. A mill run can vary. Photos of stamps and the defect help more than a general complaint that “the 2x4s are junk.”
Conclusion
Select versus #2 on a Minnesota jobsite is a choice about allowed defects, structural values, appearance, and labor. Read the stamp, match the grade to whether the piece will be hidden or seen, keep the lumber dry, and do not expect #2 to look like finish material. The right grade in the right wall is how a house stays straight without a surprise invoice.
Frequently Asked Questions
The questions below address the issues readers ask most often after this topic. Each answer is written to stand on its own so the section can be used on a website FAQ block.
1. Is Select always stronger than #2?
Select Structural has tighter limits and higher published design values than No. 2 in the same species and size. Informal “select” appearance boards may not be the same thing. Read the grade stamp and the plan.
2. Can I frame a whole house with #2 lumber?
Often yes for typical hidden framing, if sizes and species match the design and the crew crowns and culls. Exposed beams, long spans, or very straight visual walls may need a higher grade or engineered members.
3. Why does my lumber twist after it is installed?
Moisture change is the usual driver. Minnesota heating seasons dry wood quickly. Buy appropriate moisture content, store it off the ground, and avoid sealing very wet material into tight assemblies.
4. What does the grade stamp include?
Typically the grade, species or species group, mill identification, rules agency, and often moisture information. That stamp is how you confirm you received what was specified.
5. Should I pay extra for Select on interior walls that will be drywalled?
Usually not for every stud. Spend extra where straightness is critical or the wood will show. Use #2 or stud grade where it is appropriate and the crew has time to select pieces.
Helpful Links
Explore related resources on this site and trusted references mentioned throughout this article:
- Glenbrook Lumber
- Contact Glenbrook Lumber
- Western Wood Products Association
- American Lumber Standard Committee
Related Reading
- Panelized Walls and Air Sealing Targets: Meeting Tight-Building Goals Without Field Guesswork — Air-sealing panel jobs still need the right framing lumber decisions.