It’s a safety feature. When the bottom sash is opened (or can be opened) wider than a few inches (4” is max.) then a small child can climb/fall out. This feature is especially important on second / third floor windows.

Are sash stops necessary?

Sash Windows Stop Security locks On Sash Windows Are Essential! Sash windows are so vulnerable to break in’s and burglary due to their original insufficient sash window fasteners.

Why do windows have stops?





Window screens are designed to keep bugs out, not kids in. A window screen will fall out if a child pushes on it so it’s important to install window guards or stops on your windows to prevent window falls.

What do sash stops do?

Sash stops are fitted on the upper sash and this prevents the sashes from sliding over each other. This, therefore, prevents them from opening the window. There are two types of sash window locks for sash stops.

What is the point of a double hung window?

Double-hung windows differ from single-hung in that they offer the homeowner the ability to open each sash, rather than just the bottom sash. This allows for better air flow and ventilation. The ability to open and tilt each sash makes cleaning easier, too.

What are stops on a window?

A small strip nailed or screwed around a cased frame to hold a sash (of a double-hung window) in place; also called a window stop.

Why are my double hung windows hard to open?





Hard to Open Double and Single Hung Windows



As time passes, dirt, dust, and other debris can accumulate on the window frame, resulting in more friction. This is going to make it hard to open and close with ease. The best solution is to clean the window frames and to spray them with a lubricant.

Which is better casement or double hung windows?

Durability: Double hung windows have the edge over casements. Because casement windows open outwards, they’re more exposed to the elements and can degrade faster than double hung windows. Because double hung windows are secure in a frame, these windows are typically more durable than casement windows.

Are single-hung windows more efficient than double hung?

Single-hung windows are more energy-efficient.



However, according to the US Department of Energy, both single and double-hung windows tend to have higher air leakage rates than projecting or hinged windows.

How do you open a double hung sash window?

Grasp both sides of sash. Gently pull up on one side while pushing down on the other. Lift sash up and out.

Are sash windows easy to break into?



Sash windows are usually fixed with reinforced glazing. This glass is also called safety glazing or impact resistance glass. This glass is made several layers thick to make break-ins difficult. To break through reinforced glass, a burglar will have to hit the same spot multiple times.

What is the difference between sash and casement windows?

Window Styles



Casement windows open via a hinge, whereas sash windows traditionally slide over one another using a pulley system. While casement and sash windows are the two most popular styles, they often come in a number of different forms, which should be carefully selected based upon the type of property you own.

What is the difference between a single hung and a double hung window?

The difference between single-hung and double-hung windows is the number of sashes that move. A single-hung window has one fixed, or non-operable, sash and one operable, or moveable, sash. A double-hung window has two operable, or moveable, sashes.

How do you open the top of a double hung window?




Quote from Youtube video: But there's these vent latches on either side of the frame you pop them out and you can open your window that much from the bottom.

What are triple hung windows?

Triple-pane windows are more energy-efficient.



Triple-pane windows are more efficient than dual-pane windows, which are more efficient than single-pane windows. The additional panes of glass provide more insulation. But it’s not just the glass. In between each pane, there’s a layer of insulating gas.

Can you replace sliding windows with double hung?

Another difference is that sliding windows can’t tilt in and out to make cleaning easier; easier cleaning is one of the benefits of getting double-hung replacement windows installed. If you would like a window style that minimizes air leakage, then a double-hung replacement window could be the solution you need.

Why are casement windows popular?

Casement windows are the most popular, most typical operational window used in residential homes today. They open out sideways up to 90 degrees. They are attractive, secure and tend to provide better energy efficiency than hung, slider and awning windows that are configured with standard glass and gas fills.

Are double hung windows safe?



Double pane windows generally are not made with security glass or shatter-resistant glass. This leaves them and the home vulnerable to break-ins, lowering the safety and security of the possessions and residents inside.