Wood movement diagram Wood shrinks most in direction of annual growth rings - tangentially 1/2 as much across the rings - radially Very little along grain - longitudinally Shrinkage greater in heavier pieces than in lighter pieces Expansion and contraction of wood members from temp change is not an important design consideration Glulam members shrink less than sawn timber members
Air-Drying Lumber It’s the low-cost, low-tech way to dry lumber. Here’s how to do it right. By Dave Munkittrick Want a truly cheap and easy way to dry lumber? Consider air drying. It’s the most economical method for removing water from wood, and when done properly, you’ll end up with perfect lumber. Although air-drying is inexpensive and easy,be aware of these drawbacks: It’s slow. Depending on the species and your …
This Black Walnut log is over 16 feet long, has a straight shape and is loaded with curl from top to bottom! It shows fantastic color & grain with a small sapwood line. The board quality for a log of this size is amazing. It shows very few defects (excluding the pith boards) only an occasional knot or two. A great log for any project!