Decorative function: the lintel plays a certain transitional role. Use different materials and different colors of floor decoration materials inside and outside the room, which will play a transitional role of lintel. Water retaining function: The more important function of lintel is to retain water. If there is water on the kitchen or bathroom floor, the lintel can prevent the water on the floor from overflowing into the living room and prevent the area outside the kitchen and bathroom from getting wet. Moreover, the wooden floor cannot be soaked in water, and the measures in this regard are very important.
The special function of lintel is to adjust the height difference between indoor and outdoor, which is the most important function of lintel. Especially between bathroom, kitchen and living room, between bedroom and living room, it is necessary to cross the threshold. Make the ground low inside and high outside. Especially if the living room is paved with wooden floors, the role of doorstones is particularly important. If the doorsill is not installed, the edge of the wooden floor is easily deformed by moisture.
If the balcony is tile and the other side is floor, then it must be a beam (transition is needed between different materials). Similarly, if the balcony and the other side are both tiles, but the specifications and colors are different, they should also be doorstones. The living room and bedroom are all ceramic tiles, it is best to use beams, otherwise the gap is wrong, and it takes more bricks to sew deliberately, and there is no way to grasp the position.
Threshold is a stone threshold to solve the height difference between inside and outside. A stone plate that can solve the transition between two materials, block water and play an aesthetic decoration role. A beautiful doorstone can often make the finishing point in family decoration. Remember that you can't connect two stones together, it's better to be a complete stone.