How Do Sash Window Locks Work

The windows lock by resting the sash into the windowsill locking it into the frame.

How do sash window locks work. Just remember to keep track of the key if you opt for this type of window lock. It doesn t matter whether the window is made from upvc timber or even aluminium they will all use a sash window lock. However when the temperature or humidity changes sashes may become jammed and not open. These work with single and double hung windows.

The oldest surviving examples of sash windows were installed in england in the 1670s for example at ham house. Sash window locks are fixed to a vertical sliding sash window. You should instead use a pivot lock in combination with a sash stop fitted to allow a 100mm opening gap. Sash lock windows come in single hung and double hung varieties and are usually easy to open.

You re likely familiar with window latches. 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 are separated by glazing bars and moulded strips of wood which determine the core design of the window and their primary functionality. Louw believed that the sash window was developed in england but concluded that it was impossible to determine the exact.

A sash window lock is used to lock the sash of the window and therefore prevent the window from opening. You simply turn the handle on the. 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. How do sash windows work.