Push-pull frameless window

Principle: Two-track, three-track, four-track push-pull structure frameless window, multiple pieces of glass can be pushed to the sides of the balcony, but can not be rotated open.

Advantages: The maximum opening areas of the two rails, three rails and four rails are 50%, 60%, and 75%, respectively.

Disadvantages: Can not be fully opened; outdoor glass is not convenient to clean; safety factor is lower than the previous two.

Process: The installation is the simplest and the lowest cost.

Applicable balcony: only for "one" shape, "L" type balcony.