Sash jammers can be a brilliant addition to your door security; they are simple to fit and they do a good job of keeping the burglars at bay. ... The effect of this on a sash jammer is that it becomes loose and then it loses its effectiveness.

Are sash jammers secure?

Sash jammers provide excellent additional home security for uPVC windows and doors. The sash jammer handle pivots and is secured over the frame, offering resistance to deter forced entry.

What does a sash jammer do?

Sash jammers are a small device that can improve the security of your uPVC windows and doors. They attach near the window or door frame and pivot over the door or window securing it into place, offering another level of security that can help prevent against forced entry.