They are rarely found in a tree and the Timber in this part is very weak and not durable. They develop at points from where branches are improperly cut off or removed. Hence peculiarly curved swelling found on the body of the tree is known as Rind Gall. The rind means Bark and Gall indicate abnormal growth. The wood is sometimes discolored by the chemical action caused with it by some external agency. Defects In Timber Due to Natural Forces Chemical Stain Chemical Stain Today building up long lengths from shorter glued pieces is becoming more common.īuilding up members by lamination also tends to the more economical use of timber.ġ. Often it is more economical to remove defects such as dead knots and replace them with plugs.Natural defects in Timber are described as features developed in the living tree, or soon after it is felled which may detract from the usefulness of the timber.These may be considered defects in timber if they are undesirable visual attributes or structurally affect the timber. Timber develops many growth characteristics during or after milling. The word timber is derived from an old English word ‘ timbrian’, which means ‘to build’. The wood which is suitable for engineering purposes or construction is called timber.

What are the types of Defects In Timber? What Is Timber? Timber.

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