As the development world property in Indonesia, we tend to prefer things that are easy and practical when building the House. Most real facts can be seen one of them on the selection of the material for the window sills. Initially only sills used to be made from wood, but nowadays there are also sills choice of materials from aluminum.
The availability of the wood materials rarely cause the price is also more expensive, making one of the considerations for the society are more likely to choose the material of aluminum as an alternative replacement, as well as aluminum has a much cheaper price. Of aluminium sills also guarantees more weatherproof and resistant to disturbance of termites.
Good wooden sills and frames from aluminum materials have advantages and drawbacks of each. If wooden, this time because of the availability of stock of materials more scarce then the price tends to be more expensive, it is also susceptible to weather changes. Wood in long periods of time will experience a shrink and expand, which will be difficult to open (crashes). As for the sills of the material aluminium, insist the accuracy and accuracy when using the mounting mounting because fischer can only be done once so that if an error occurs would be fatal.
Consideration on design style property also determines the choice of materials the sills will be used. For more wood sills can be applied to almost any concept of the building but for the choice of materials can only be applied to aluminum buildings, homes or minimalist classic style.
