Peter wood
Created page with "Heart shakes in lumber refer to cracks or separations that occur along the growth rings of a tree, typically near the center of the trunk where the heartwood is located. These types of cracks are also known as radial shakes, as they run radially along the tree trunk. Heart shakes are caused by natural stresses that occur within the tree as it grows and ages, such as changes in temperature, moisture, or wind load. These stresses can cause the wood fibers to separate or c..."