Resource Center
Everything you need to know about reclaimed lumber — sizes, grades, species, and expert advice. Reference-quality guides built by the Lumber Portland team.
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Knowledge Base
Expert Guides & References
Whether you're a professional contractor specifying reclaimed materials or a homeowner planning your first project, these guides will help you make informed decisions.
Lumber Size Guide
Complete dimensional reference for softwood and hardwood lumber. Nominal vs actual sizes, board foot calculations, hardwood thickness fractions, beam dimensions, and weight estimates per species.
Read Guide →Reference02Lumber Grading Guide
Understand hardwood and softwood grading systems, how reclaimed lumber grading differs from new lumber, defect types, and which grade is right for structural, flooring, furniture, or accent applications.
Read Guide →Reference03Wood Species Guide
Detailed profiles for every species we carry — Douglas Fir, White Oak, Heart Pine, Redwood, Western Red Cedar, and more. Janka hardness, grain patterns, workability ratings, and reclaimed sources.
Read Guide →Support04Frequently Asked Questions
Answers to the most common questions about reclaimed lumber — from ordering and pricing to species selection, delivery, milling services, and environmental certifications.
Read Guide →Insights05Blog & Articles
In-depth articles on sustainable building, reclaimed lumber trends, project inspiration, and industry insights from the Lumber Portland team.
Read Guide →Built by Experts
Guides You Can Trust
Our resource library is written by the same team that processes, grades, and sells reclaimed lumber every day. We've handled hundreds of thousands of board feet from historic Pacific Northwest structures, and that hands-on experience informs every guide we publish.
These aren't generic articles — they're practical references designed for builders, architects, designers, and woodworkers who work with reclaimed materials.
Our grading standards come from hands-on processing of tens of thousands of board feet each year.
From Pacific Northwest Douglas Fir to rare American Chestnut, we stock a diverse range of reclaimed species.
Our team includes certified lumber graders, master woodworkers, and sustainable building specialists.
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Most-Read Resources
These are the pages our customers visit most often. Start here if you're new to reclaimed lumber.
Can't Find What You Need?
Our team is happy to answer any question about reclaimed lumber — species, sizing, grading, pricing, or project planning. Get in touch and we'll help.