In addition to visual inspection, some lumber is put through a process known as machine stress grading. This involves using machines to test the structural integrity of the wood. By applying pressure ...
Most choices are heavier and more expensive than pressure-treated pine ... decking products don’t make the grade for rigidity, and some tonier wood products outperform most composites.
For example, kiln-dried lumber is a value-added product because it has been processed to remove moisture, making it less likely to warp or shrink. Pressure-treated wood, another value-added timber ...