Door sill is called a system that is mostly used in American panel doors or MDF doors and makes the door wings stronger. In the door post product category, there are length-adjusted posts, solid posts and door frames. Produced using spruce and pine, the door frame is sliced ​​in different sizes depending on the size of the doors. There are many reasons why spruce and pine trees are preferred in doorpost production. The 8% low moisture content found in these wood species makes the doors stronger. The door sill, which is one of the most important parts of a door, is sliced ​​into the dimensions you need in our production facilities.​.