23 Aug, 2024
In the American countries, American style Upvc Windows is very popular，double-hung or single-hung window styles are the most common. Single-hung windows have a fixed upper sash and a movable bottom sash, whereas double-hung windows have two sashes in the frame that move vertically.
In the American countries, American style Upvc Windows is very popular，double-hung or single-hung window styles are the most common.
Single-hung windows have a fixed upper sash and a movable bottom sash, whereas double-hung windows have two sashes in the frame that move vertically.