What is a jamb?
I’m sure you’ve heard the name before but do you know where the door jamb can be found?
The door jambs, sometimes known as the door posts are the vertical components of the frame. One side takes the hinges while the other side takes the strike plate and a hollowed out slot that the lock fits into when the door is shut.
It’s important that the jambs have a solid wall to fix to. Unlike French doors which only have one door hanging from the jamb, bifolds can have many more, sometimes as many as eight. Part of the weight is taken up by the top and bottom tracks but poor fixings in the jamb can lead to the frame twisting and flexing.
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