Timber is a wood that has been processed into beams and planks and is known as "lumber" in the US and Canada. Basically, it is a wood or firewood of growing trees. Any wood capable of giving a minimum dimension size can be termed timber or lumber. This is a phase of the wood production process. The time is used for the structural purpose. Timber is adapted for the purpose of construction. Different sized finished timbers are supplied in the industries for various use. Timber is used to construct houses and furniture. Buy 4x2 Treated Timber UK