1st Class Pine Tree:
It is a type of soft trees. For the places where are walked with shoes on, wood softness is a disadvantage in the construction of wooden stairs. It does not matter in terms of stair stiffness There may be abrasions on the step caused by impacts and scratching. It is more durable than beech against humidity. But it can deteriorate in direct contact with the water. It must be passed pre-protection in the usage for outer areas. (It appears (Impregnated or water-resistant paints) slightly bird's eye sized, knotty generally moiré and streaks in the form of milling. Moires lead to an aesthetic appearance, especially when it's painted darker than its own color. Light yellow color is used more particularly in places decor made from pine trees. Drying of the tree is easy.
Extra Pine Tree:
It is one of soft type woods Wood softness is a disadvantage in the construction of wooden stairs, for the places where are walked with shoes on. There is no difference in terms of stair stiffness. There may be abrasions on the step because of impacts and scratching. It is more resistant to humidity compared with beech. But deterioration can ocur in direct contact with the water. It must be passed pre-protection in the utilization for outdoors(Impregnated or water-resistant paints) Comparison with the 1st pine tree, they are completely selected knotless trees Overall, the moiré and milling shaped streaks are visible. Moires cause to an aesthetic appearance, especially when it's painted darker different from its own color. Straw yellow color is used more in places especially decorated with pine trees. It is easy to manage this tree for kiln-drying.
Beech Tree:
It is one of hardwood kinds. Aesthetically versatile, it fits well with other wood species and media colors. This tree is knotless As it is not resistant to humidity and water, can not be used in construction of stairs in outer regions. Because of being the most economical among hardwoods with red brown color is the most widely used type of wood in creative design and stairs. It is easy to be dried. Due to being economical at the price among hardwoods as said before, currently it is the most preferred type. It is preferred in the construction of stairs often; rather than its natural color, due to the fact that beech wood can be painted suitable to the color of the door, parquet and furniture colors in the environment.
Oak-tree:
It is one of hardwood types. It has a high degree of strength and elasticity, buckling and shrinkage features are almost no absent. It is highly resistant to water and weather conditions. Its color is similar to dirty yellow. It's hard to dry and it takes a lot of time. Aesthetically it looks pleasing to the eye, its streaks are moiré and milled. Throughout the history, it is the most widely used type of wood in the construction of stairs. However, due to the high price of beech trees in recent years, it has dropped to second place in stair construction. Stairs can be made easily with this tree type interior and exterior facades.
Sapele Tree:
It is a kind of hardwood. It is plenty in 8–9 countries that origin from Africa. All over the World, there are great demands on this tree because of its natural color. It is a medium hard tree species. Drying is done by baking gradually at low temperatures. Its streaks are highly prominent, moired and and milled.. Its color becomes iridescent darkened by the effect of weather conditions at the moment when it is cut, the outer wood gray and inner wood is between yellow and red brown according its type. It is used its own natural colour of sapele in the staircases made of this tree type. Any coloring is usually not needed. Due to resistance to water, it is used in shipping. Conveniently stairs can be made from this tree type in the interior and exterior facades The cost of stairs is about the same as Oak, Iroko and Merbau type trees.
Merbau Tree:
It is one of hard tree species. Merbau tree which is not imported as logs and round timbers come into Turkey just as parquets. For this reason, 14 mm-16mm thick Merbau hardwood is laminated onto 18 mm mdf, contra or solids and then wooden steps are made. Wavy and milling streaks are very prominent. Color fluctuation is less than that of sapelli.
Walnut:
It is a kind of tree with diffuse porous, medium hard and tight fiber. The ability to connect with nails, screws and glue is sufficient. Resistance to physical effects is good. It does not create problems in dry environments, but in humid environments there is wood working and shrinkage. It is used frequently because it is an indispensable tree in terms of its decorativeity. Its color varies from light milky brown to dark brown. Walnut tree which grows in many different regions in our country is hard and durable and it is also a kind of tree which is very attractive by its appearance. For these reasons, it is mainly used in furniture manufacturing.
Iroko Tree:
It is one of hard tree species. Another name of the Iroko tree is Kampala. It is a hard tree of West African origin. Known for its resistance to outdoor conditions as a tropical tree, iroko is a kind of tight-textured and oily tree that we prefer because of its resistance to water, humidity and all kinds of climatic conditions. Iroko is highly resistant to naturally decay, insects and diseases. Its kind is easy to dry, does not rot and is preferred in particular due to being durable against water and moisture. Conveniently, stairs can be built from this tree type in the interior and exterior facades.