Reclaimed Douglas fir is the best structural timber available in Colorado if you know where to find it and what to look for. It's stronger than new-growth timber, has better moisture stability, carries a story, and costs less than new structural lumber when you account for the fact that you need fewer large pieces to create the spans you want.
The sourcing network exists, but it's not obvious. You need to know barn deconstruction specialists, demolished warehouse salvage yards, and the handful of places that actually deal in genuine structural salvage rather than just selling old-looking wood to restaurants.
Where It Comes From
The best source is barns and other agricultural structures built between 1900 and 1980. These were built with what's called "old-growth" or "vintage" Douglas fir — not because it was special at the time, but because that's what was logged from Colorado's forests. The growth rate was slower, the grain tighter, the density higher. Modern timber, grown in managed forests with more spacing, has wider rings and less density.
Barn deconstruction specialists like Rocky Mountain Reclaimed and a few others do careful work to preserve beams during deconstruction. They're expensive compared to demolition, but they're the only way to get structurally sound large timbers. When a barn is demolished for development, the beams get buried in a landfill. When it's deconstructed, the beams become salvage.
Demolition salvage yards have inventory of reclaimed wood, but you have to be careful. Anything that came from a demolition site is mixed quality. You might find excellent structural timber next to wood that's water-damaged, insect-compromised, or loaded with fasteners that have to be removed.
What to Look For
Structural-grade reclaimed timber has specific characteristics. The grain is tight — you can count the annual rings and typically see 15+ rings per inch in old-growth Douglas fir. The wood is significantly heavier than new-growth timber (old-growth Douglas fir weighs about 35 lbs per cubic foot vs. 30 lbs for new-growth). The color is typically darker, sometimes significantly so depending on storage and age.
You need to check for structural integrity. Look for checks (radial cracks that develop as the wood ages) that are acceptable and checks that aren't. A superficial check that's stable is fine. A check that runs through a critical dimension might compromise the beam. You need timber expertise to assess this, not just visual inspection.
Avoid timber with embedded fasteners, bark still attached, or significant insect damage. Surface marking from old nails is fine. Holes through the beam are not.
Sourcing for a Project
For the Gilpin cabin, we needed roughly 2,000 board feet of beams in various dimensions. We started with a yard search two months before framing. We found approximately 60% of what we needed from a barn deconstruction project ninety miles south. The remaining 40% came from a demolition salvage yard, carefully selected and tested for structural soundness.
The cost was roughly 30% less than new structural lumber at the same size. You save on labor and fabrication because old-growth timbers have better dimensional accuracy than modern lumber.
Transport is a real cost. These beams are heavy. A 6x8x16 beam weighs roughly 500 pounds. You need equipment to move them, and the yard needs to coordinate with your structural engineer to verify sizing and placement before delivery.
Finishing and Protection
Reclaimed Douglas fir is typically used exposed in contemporary design — the patina and character are part of the aesthetic. This means you need to protect it after it arrives on site. A simple oil finish maintains the appearance and prevents surface checking from UV exposure. Some designers prefer sanding and staining. The beams can accommodate either approach.
In interior applications (as we used them in the Gilpin cabin), the finish is simple. Surface dust is removed, a natural oil is applied, and that's sufficient. The wood develops a natural patina that improves over time.
The Sourcing Network
If you're building in Colorado and interested in reclaimed timber: contact Rocky Mountain Reclaimed (specializes in barn deconstruction), check demolition salvage yards in the Denver area and along the Front Range, and have a timber engineer pre-approve pieces before purchasing. The network exists, but it requires direct contact, site visits, and relationship-building. It's not a commodity supply chain.
The final point: using reclaimed timber has a real impact. Every beam you source from an old structure is a structure that mattered, that served its purpose for decades, and that now serves again instead of being discarded. That's not just aesthetics. That's materials consciousness.