How Do Sash Window Locks Work

In simple terms a sash window consists of one or more movable panels or sashes which form a basic frame to hold variable panes of glass. How do sash windows work. A sash window lock is used to lock the sash of the window and therefore prevent the window from opening.

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These are separated by glazing bars and moulded strips of wood which determine the core design of the window and their primary functionality.

How do sash window locks work.

Sash lock windows come in single hung and double hung varieties and are usually easy to open. Or you could use a pair of press button locks as described under common casement window locks in place of the sash stops if the design of the window allows you to do so. You re likely familiar with window latches. Window sashes work by moving up and down on tracks.

It doesn t matter whether the window is made from upvc timber or even aluminium they will all use a sash window lock. Just remember to keep track of the key if you opt for this type of window lock. The windows lock by resting the sash into the windowsill locking it into the frame. The oldest surviving examples of sash windows were installed in england in the 1670s for example at ham house.

You simply turn the handle on the. Sash window locks are fixed to a vertical sliding sash window. Louw believed that the sash window was developed in england but concluded that it was impossible to determine the exact. They are located on the top of the window sash and latch the two parts of a window together when the window is closed.

You should instead use a pivot lock in combination with a sash stop fitted to allow a 100mm opening gap. However when the temperature or humidity changes sashes may become jammed and not open. The invention of the sash window is sometimes credited without conclusive evidence to robert hooke others see the sash window as a dutch invention. These work with single and double hung windows.