上滑式车库门按照洞口上方的空间可分为单轨和双轨两种，但是它和上排挂车库门的运行方式都是一样的，它在启动的时候，门体在轨道运行且垂直直线上升。上滑式车库门是现在车库门的主要原理。而现在的车库门整个门体由门板、开门机、门体零配件三个主要部分组成。门板按材料不同分为彩钢板、罗普司金、不锈钢、实木四种，其中彩钢板包括白色彩钢板、喷塑（海蓝色）钢板、木纹钢板三类。门板按接口不同分为：梯级接口、凹凸接口、防夹手。
According to the space above the opening, the sliding garage door can be divided into monorail and double track. However, the operation mode of the upper row garage door is the same. When it is started, the door body runs on the track and rises vertically. Sliding garage door is the main principle of garage door. Now the garage door is composed of three main parts: door panel, door opener and door body parts. According to the different materials, the door panels are divided into color steel plate, ROPS gold, stainless steel and solid wood. The color steel plate includes white color steel plate, plastic spraying (sea blue color) steel plate and wood grain steel plate. The door panel is divided into step interface, concave convex interface and anti pinch hand.