There is a need for optimizing the utilization of timber used in rails and stiles of panel door shutters to achieve economy in panel door manufacturing. A study was carried out to optimize the timber used in the manufacture of panel door shutters without affecting the performance of the door shutter. Keeping aesthetics in view the study was limited to reducing only the thickness of rails and stiles to 25 and 30 mm whereas the specified thickness is 35 mm. Panel door shutters of thickness 25, 30 and 35 mm, and of size 2005 mm (H) x 700, 900 and 1100 mm (W) were made and tested for their performance as per Indian Standard specification on timber panelled and glazed shutters (IS: 1003 (Part 1), 2003). The results revealed that the doors made of 30 mm thick rails and stiles, are comparable with doors made out of 35 mm thick rails and stiles for all widths. Hence, 30 mm thickness can be recommended for panel door manufacturing, which will save about 15% consumption of wood, thereby saving the natural resources.
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