Solid wood flooring is generally to strengthen the wood floor, it has a lock with each piece, can be connected, but also to strengthen the floor of the expansion coefficient of stability, can be directly laid on the ground.
Overhead type wooden floor generally adopts fixed keel, light steel keel now, the principle is following a distance on a keel, steel clip to the floor are fixed and the advantages: applicable to all floors (wood, composite), the shortcoming is: different coefficient, steel keel and floor expansion and contraction time for a long time will appear crack phenomenon. Two, steel keel has a certain height, virtually reducing the housing space. Three, will step up squeak sound, especially at night, very ugly.
The main difference is that the installation of overhead wood floors, the laying of the keel on the ground, keel and wood fixed, the actual shop is directly installed on the ground.