Sports floor During the construction process, a gap of about 2mm wide will be reserved to avoid bulging and deformation of the sports wood floor due to the increase of moisture content due to seasonal changes and other reasons. This gap is called an expansion joint.
In winter, when the air humidity is low, the moisture content of the sports floor will decrease, and the expansion joints will slowly increase. When the indoor air humidity returns to normal, the expansion joints will also return to normal. The usage rate of sports flooring is higher in winter than in summer. In winter sports wooden floors have large expansion joints, which are easy to retain dirt. In some venues, when the sports wooden floor is maintained in winter, the expansion joints are not arranged. Excessive debris in the expansion joints. After the air humidity in the gym returns to normal, the expansion joints cannot be reduced normally. It affects the aesthetics and practicality of the sports wood floor.
