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Brave the Elements With Rosboro Treated Glulam

Introducing Rosboro Treated Glulam, a 24F 1.8E treated glulam from the leading producer of glulam products in the U.S.

A Product You Know and Understand
Made from Southern Pine, Rosboro Treated Glulam is a 24F glulam beam treated to resist rot and decay. Installation is easy because the beam is straight, has no top or bottom, and matches standard framing widths.

Treated with Permapost K-8
K-8 is an industrial wood preservative and water-repellent treatment. It contains solubized copper-8-quinolinolate, which provides chemical resistance to insects, decay, mold, mildew and bacterial growths. It is clean, non-swelling, non-leaching, and non-corrosive treatment.

Easy and Safe to Work With
Rosboro Treated Glulam is both easy and safe to install. K-8 is low in toxicity and is the only wood preservative approved by the U.S. Food and Drug Administration.

Recommended Applications
Rosboro Treated Glulam is perfect for decks, porches, trellises, balconies and other applications where the member may be exposed to the elements but will not reach the equilibrium moisture content level of 16% (the threshold for wet-use). To learn more, visit

Available in common sizes
Lengths: 48 feet
Widths: 3 1/2" and 5 7/16"
Depths: 9 1/2", 11 7/8", 14", 16" and 18"

For more information, please contact one of our authorized distributors:
U.S. Glulam, Oak Forest, IL, 800-344-4526

From July issue, LBM Journal.

Gruen-Wald Classic Columns


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