You should instead use a pivot lock in combination with a sash stop fitted to allow a 100mm opening gap.
How do sash window locks work.
Louw believed that the sash window was developed in england but concluded that it was impossible to determine the exact.
It doesn t matter whether the window is made from upvc timber or even aluminium they will all use a sash window lock.
These are separated by glazing bars and moulded strips of wood which determine the core design of the window and their primary functionality.
The windows lock by resting the sash into the windowsill locking it into the frame.
The invention of the sash window is sometimes credited without conclusive evidence to robert hooke others see the sash window as a dutch invention.
Just remember to keep track of the key if you opt for this type of window lock.
Window sashes work by moving up and down on tracks.
A sash window lock is used to lock the sash of the window and therefore prevent the window from opening.
They are located on the top of the window sash and latch the two parts of a window together when the window is closed.
Sash window locks are fixed to a vertical sliding sash window.
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.
You re likely familiar with window latches.
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 simply turn the handle on the.
The oldest surviving examples of sash windows were installed in england in the 1670s for example at ham house.
These work with single and double hung windows.