Although totally impossible to predict we do have known areas we can see which impact the wood for wood signs to crack.Дrying вЂ“ Operator or the machine drying the wood. The cause of wood sign cracks is from several different situations. Wood for wood signs is always moving and shrinking due to the amount of moisture and humidity which causes the wood to swell, warp or shrink. It is almost impossible to predict where and when a wood sign would crack or split, some are visible and some are internal and not visible. End Splits вЂ“ End Splits are caused by natural stresses by the tree when growing not by a drying affect such as drying Kilns.Roller Splits вЂ“ Roller Splits are caused by warped or cupped wood rolling through flattening machines causing a split where the wood is being forced against the shape it has mostly dried.It is believed that splits are mostly caused by a drying process such as drying Kilns. Splits вЂ“ Splits are gaps to an adjoining surface due to force ripping wood cells apart.This quick drying causes stress which the end of the board cannot handle causing the end checks.

The reason end checks occur is because the edges of the wood board dries quicker than the internal parts of the wood board. End Checks вЂ“ End Checks are crack and splits which occur at the end of the wood board.Most of the force is developed in the outer wood surrounding the still moist core. They occur when the force of the drying exceeds the strength of the wood to absorb the force. Checks вЂ“ Checks are normal separations which happen in wood around the rings of growth.It is thought to be caused by bacterium which enters the tree from the roots and not the stem of the tree. Shakes are natural when the tree is growing. Some of the shakes a will go half way through the wood and others will be a вЂњThrough ShakeвЂќ which will traverse the complete length of the wood. Shakes вЂ“ Shakes are separation of grains lengthwise in the wood.

Wood slab crack repair