Pine wood was originally regarded as suitable only for fruit boxes and boxing for concrete, but soon came into use as house-framing timber. This was made possible by timber grading, drying and preservation technologies. Its knottiness was in contrast to the clear wood of native softwoods, so it was not at first thought fit for furniture, panelling, fittings, flooring, and house cladding. Now it is used for all those purposes.

Wood, a renewable material, occupies a prime position as a raw material, Its versatile Nature has made it unique in many applications. In most of the uses of wood, longevity of wood is very important. A large quantity of timber used in India is not properly dried or seasoned & treated resulting into development of defects like warping, cracking, splitting or decay and insect attack in the products. In Western countries Timber is not allowed to come out from saw mill unless it is seasoned and treated. It is compulsory to season and treat.

BHARATH Rotary kiln is a cylindrical vessel, inclined slightly to the horizontal, which is rotated slowly about its axis. The material to be processed is fed into the upper end of the cylinder. As the kiln rotates, material gradually moves down towards the lower end, and may undergo a certain amount of stirring and mixing. Hot gases pass along the kiln, sometimes in the same direction as the process material (co-current), but usually in the opposite direction (counter-current). The hot gases may be generated in an external furnace, or may be generated by a