OSB Frequently Asked Questions
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How is OSB made? |
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OSB is manufactured from sustainable, fast-growing trees such as aspen poplar, southern yellow pine, mixed hardwoods, and other suitable species.
Logs are cut to length, debarked, and processed into precise strands ranging from 3 1/2" to 6" (90 to 150 mm) long and approximately 1" wide (25 mm). The strands are dried, sorted, and mixed with wax and a waterproof exterior-type binder and formed into large continuous mats. These mats are oriented in cross directional layers for increased strength, then pressed at a high temperature and pressure to form panels. Throughout this highly automated and fully engineered process, panels are monitored, tested, and certified to meet stringent quality standards for strength and uniformity. |
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