Rosboro Manufactured Timber | RMT®

Buy what works for you.

Rosboro RMT® is a size-for-size, grade-for-grade manufactured timber
alternative to Douglas Fir timber.


  • Certified under the same lumber grading rules as solid sawn, Rosboro RMT® is structurally engineered to meet or exceed the same solid timber stress ratings
  • Manufactured to uniform dimensions, so it’s completely interchangeable with solid-sawn timber of the same size and grade
  • Preferred lengths are no problem
  • Uses readily-available standard timber hangers, not more costly glulam-sized hangers
  • Because it’s kiln-dried to a moisture content of less than 15 percent before assembly, it resists twisting, splitting, cupping, and warping


  • Available in specified lengths up to 60′

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Technical Specs

Weight Span Calculator

Enter the beam width and depth to lookup the approximate weight (per foot):Enter the type of beam, span, and weight to calculate.Crunch the numbers for your next project!

User Guide

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Inventoried Locally

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Truly Green

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Case Study

Rosboro glulam, famous for its long-span applications, spanned effortlessly across the largest of the H-E-B stores, and the glulam lent itself to the resource-efficient commercial architecture.

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FAQsView More

What effects does mold have on plywood?

A warm, wet, or humid environment provides ideal conditions for the development of mold and mildew on a variety of surfaces, including wood structural panels. Mold and mildew are terms commonly used interchangeably, although mold is often described as black, blue, green, and red fungal growths, while mildew is described as whitish growths. The color depends on the infecting organism and the type and moisture condition of the nutrient. For example, white mold is commonly found on water-saturated laboratory test samples of wood stored at room temperatures overnight. Mold and mildew alone do not deteriorate wood, but decay may occur under similar high-moisture conditions. These conditions normally do not include humid air, which may produce mold and mildew, but not the degree of moisture content that causes wood decay. As a general rule, wood will not decay if it is kept air dry. Allowing the wood to dry to a moisture content not exceeding 20 percent stops further growth of mold or mildew fungi. The surface growth often can be easily brushed or surfaced off. Additionally, a chemical spray solution of 10 percent household bleach and water will kill the fungi. However, under renewed moist conditions, new infestation may occur.

How has Rosboro worked to improve quality?

In our commitment to Building Better™ for you, Rosboro has invested in new technology throughout the stud mill. Our improvements at the headrig, resaw, and edger systems help us hold better size tolerances. Our improvements at the dry kilns give us better drying consistency and our new planer auto grade and sorter systems allow us to offer a wide variety of premium quality products for you.

Can my glulam be exposed to the elements?

Untreated glulam that is normally used in residential construction is not recommended for exposed conditions. Although waterproof adhesives are used in the manufacturing of the beams, Douglas Fir and Southern Yellow Pine wood react unfavorably without proper care. Pressure treatment to American Wood Preservers Association (AWPA) standards, use of naturally decay-resistant wood species such as Alaska Yellow Cedar, or maintaining a weather-resistant surface coating is required.

Contact Rosboro

P.O. Box 20
2509 Main Street
Springfield, OR 97477

Corporate Office: (541) 746-8411
Corporate Fax: (541) 726-8919
Toll-Free Sales Office: (888) 393-2304
Toll-Free Technical Service: (877) 457-4139
Sales Fax: (541) 726-0972