In use since about 1906. It is the standard rule used in Massachusetts. The more traditional circular sawblades are wider than the newer band saw blades and produce more sawdust, a waste byproduct of sawmills. Kiln Freshly cut green lumber may be sold green or first dried in a kiln to accelerate removal of the moisture in the wood. Drying wood in a kiln is an art to ensure that the wood dries evenly to retain its strength and aesthetic properties.
Different species dry at different rates.
Kiln dried lumber commands a higher price than green or air dried lumber. Structural grade timber veneers glued together under pressure to form a dimensionally stable and uniform product. LVL can be made from small diameter logs thus creating a market for lower value trees. Log defects Defects affect the log scale and value for which the log may be sold or bought. Deductions for defects are subjective depending on the scaler and a source of confusion in the buy-sell transaction.