Glu-lam Manufacturing Process Extends Laminated Wood Pole Life

utility poles line construction construction projects Laminated Wood Systems LWS
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Laminated Wood Systems Inc. (LWS) has developed a new, patent-pending, glu-lam manufacturing process called PentaTrate. The PentaTrate design features a grooved, un-glued edge joint on multiple-layup E-LAM laminated wood poles. The PentaTrate groove runs the entire length of the pole on the inner edge joints, allowing for full-length penetration of preservative during the pressure treating process.

Once the poles are installed, the PentaTrate grooves also facilitate drainage of any moisture that may enter the pole. Forensic tests have been conducted that confirm the successful migration of preservative treatment around the PentaTrate grooves the entire length of the pole. This improved glu-lam manufacturing design is expected to significantly increase the already long life of E-LAM laminated wood poles for many additional years.

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