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With the escalating cost of natural wood products and the increasing scarcity of good quality lumber, manufacturers have found it necessary to develop alternative products for dimensional lumber (your good old 2x). Products with unusual names, such as Micro-lam, Glu-lam, Parallem or Trus-Joists, can now be found in newer homes. Most of these products are made using one or two common manufacturing processes -–wood fibers, chips and sawdust are compressed under high heat
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