Sash Jammers - Extra Security Locks for uPVC Window & Doors - Brown

Easy to fit and operate, sash jammers can be used on both uPVC windows and doors.

• Brown Finish

• Can be fitted to a window or door to provide additional security 

• 3 different sized button spacers provided to fit rebates up to 20mm maximum

• uPVC Screws provided for use with reinforced windows

• We recommend using Jack Nuts to gain a secure fit onto un-reinforced window frames

• You won't know if frame is reinforced until you drill a pilot hole and feel tension or lack of tension
  

Fitting Advice

We provide access to online fitting instructions and installation video.

How many to use?

1 Sash Jammer - Small Window or Letterbox

2 Sash Jammers - Large Window / Single Door (Top & Bottom Fitting)

4 Sash Jammers - French/ Patio Doors (2 Top, 2 Bottom, on each door)

View our guide on Sash Jammer