Keels are mainly used as materials for shaping and fixing structures. The specific method is to use wood thread (commonly used as larch) and other materials, and fix them with nails or wooden nails into a grid-like scaffold with crisscross and equal spacing, which looks like a keel, so this process is called "playing keel".
At present, the traditional keel paving method is mostly used for solid wood flooring, but at the same time, a new paving method is more and more favored by consumers, which is suitable for laying solid wood flooring in national floor heating and non-floor heating environments. The steel buckle fixing scheme of natural solid wood floor, which won the national utility model patent, is a new type of steel buckle fixing method in the industry at present. Each floor is firmly fastened by tough alloy steel buckles and spliced into a whole. Compared with the traditional keel laying method, it does not need keel, has high construction efficiency, reduces auxiliary materials and reduces installation cost. At the same time, there is no need to nail the floor to avoid damaging the overall structure of the floor, so that the solid wood floor can be disassembled and renovated repeatedly.