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Straight, strong and worry free, quality structural framing enables the high walls, abundant windows, and sophisticated building designs of today. Weyerhaeuser is your one source for engineered wood products that deliver the structural integrity, predictability, and guaranteed performance that reduces shimming and builder callbacks. We stock the full line of Trus Joist engineered wood products, including TJI® joists, Microllam® LVL headers and beams, and TimberStrand® LSL headers, beams, columns, wall framing and rim board. We also offer a wide range of glulam beam choices from the best manufacturers in the business, including custom sizes.