Sustainable Design with Redwood Timbers
Standards & sustainability
Sponsored by Humboldt Sawmill Company
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This course provides evidence that Redwood Timbers are a safe, strong, and sustainable option for exterior and interior building projects where natural wood is desired. It will explore the use of Redwood Timbers for post and beam construction, decorative elements, deck posts, and outdoor living structures such as arbors, pergolas, and gazebos.
The course also provides information about Redwood’s insulation properties and Class B flame spread, as well as details about modern redwood forestry management practices that ensure Redwood will remain a renewable natural resource into the future.
Finally, this course provides details on the product attributes of Redwood Timbers, including grades, dimensions, fasteners, finishing options, and strength, among others Humboldt Sawmill Company, LLC Redwood timbers are a beautiful and durable natural wood solution for timber framing applications and outdoor living structures such as arbors and pergolas.
Humboldt Sawmill Company, LLC
Redwood timbers are a beautiful and durable natural wood solution for timber framing applications and outdoor living structures such as arbors and pergolas.
Humboldt Sawmill Company, LLC manufactures a full line of redwood and Douglas fir lumber products, including boards, decking, fencing, patterns and trim, and timbers. Logs are sourced from company-owned timberlands where harvest levels are consistently below the forests’ annual growth rate, and harvested trees are replanted. Logs are processed into lumber at the company’s sawmills in Ukiah and Scotia, California. All Humboldt Sawmill redwood and Douglas fir products are available certified to the standards of the Forest Stewardship Council®️ (FSC®️ C013133). With unmatched beauty and durability, redwood has been the preferred natural wood species for many building applications, including paneling, siding, decking, entryways, and shade structures, to name a few. Best known for its deep red color, redwood heartwood resists warping and splitting and is naturally resistant to termites and decay. Redwood in exterior applications may last 25 to 35 years. Douglas fir timbers feature excellent span and structural design values for exposed beams, framing, headers, rafters, and timber frame construction. Douglas fir timbers may be used extensively in new construction and remodeling projects in a variety of applications. Humboldt Sawmill redwood and Douglas fir products are available through lumberyards, wholesalers, dealers, and distributors.
Originally published in Architectural Record
Originally published in February 2026
LEARNING OBJECTIVES
- Identify Redwood Timber grades, properties, and uses for durable structures
- Describe Redwood’s Class B flame spread in accordance with ASTM standards
- Compare how California state forestry requirements compare with the two primary forest certification programs, Forest Stewardship Council® (FSC®) and Sustainable Forestry Initiative® (SFI®)
- Identify Redwood Timbers as a renewable resource native to California Explore case studies featuring the usage of Redwood Timbers in both exterior and interior building applications
