The Sash Jammer is fixed onto the outer frame of the door/window. The arm of the device slides in front of the window/door stopping anybody opening the window/door therefore stopping them gaining entry. This simple and effective device can be used for both outward and inward opening windows and doors and  is a low cost solution in securing your property!

We have also sold countless numbers of sash jammers to Fire Brigades  to lock  letterboxes to prevent junk mail being posted through your door when your away on holiday, and to prevent arson attacks at likely times of the year e.g. Bonfire Night

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