If you still want a roof structure that can be exposed to its natural but was not able to buy quality wood, the material on this one by an accredited interior design schools may be used as alternative options. Generally it can be called Oriented Strand Board (OSB). From the looks we have guessed that this material is made from fragments and small-sized wood shavings are bonded using a resin to the solid and flat. Although solid, this material can be cut arches with a neat result and the free deflection.
By varying the thickness of the data processed by an accredited interior design schools, this material can be used as a horse-riding, rafters. This material can be done should an ordinary timber without special treatment. Even the excess material has been coated with anti-termite material, anti-humidity, and waterproof (moisture resistant), so suitable for use in building a climate of high humidity and periodic rainfall.
The use of this material is based on the experience of the interior design and accredited interior design schools not only gives the advantage of building a beautiful appearance and strong structure, but also helped preserve the environment because it is made from recycled wood and young wood that the regeneration process not too long.