A horizontal slider is a window whose operable panel moves side to side as opposed to up and down; the panels are separated by a vertical meeting rail. There are single-slider and double-slider windows.

Horizontal sliders are ideal for areas in which spacing is tight, like decks, mud rooms, courtyards, etc. The sliders don’t open out, making them easy to operate even when situated in these tight spaces.

Many homeowners actually prefer the view through a slider. Because the meeting rail is vertical, the vista through a slider’s sash is largely unobstructed.

The number of movable sashes. A single slider has one operable sash while a double-slider has two. The advantage of a double-slider is that you can open either sash to maximize your ventilation area. 

Yes, sliders have become increasingly popular in all rooms of the house. They’re durable, safe, energy-efficient, and compatible with all architectural styles. Moreover, they’re available with numerous aesthetic attributes.