Sash Jammer for UPVC Windows

sash jammer

Sash Jammer

A fantastic cost effective security product often overlooked by homeowners are sash jammers for UPVC and wooden windows.

A sash jammer is a proven piece of window security equipment that will stop your window from being levered open.

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What are Sash Jammers?

Sash Jammers are UPVC levers that are designed to be installed internally or (externally via a locking version) by securing to the frame at specific areas. This significantly strengthens the window against attempts being made to open the window using an object such as a crowbar.

They are simple to use in that once installed the user simply closes the window and then moves (or locks) the sash jammers lever over the frame area that opens as pictured below:

We have created a window security article if you want to find out more about window security.

sash jammer

Can I fit Sash Jammers myself?

Yes you can however, like most security products, they need to be installed correctly and professionally to maximise the usage and more importantly the defence they offer.

Our advice is to have these and other security products installed correctly by experienced professionals like ourselves as home security if installed correctly is a fantastic thing to have in place.

Be aware of You Tube type videos claiming everything is easy to do and install yourself. The installation of sash jammers involves drilling holes into your window or door frame at specific areas to strengthen the windows security against attack. If done incorrectly, it could be an extremely costly mistake!

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sash jammer

Where should sash jammers be installed?

It is important to confirm that as a company we strongly advise that sash jammers are not installed for use with UPVC doors but in theory they can also be used for UPVC doors for additional security if you wish.

The reason for this is that UPVC doors/ composite doors should already have installed adequate Police approved (Secure by Design accredited) PAS 24 multi point locking mechanisms which makes “spreading” the door open extremely difficult and certainly not a quick and easy task.

It has fast become a house insurance requirement that external doors meet the PAS24 accreditation requirements. We advise for maximum security that for each door or window, 2 x sash jammers should be installed. One in the top area and one in the bottom area.

sash jammer

What is the best Sash jammer?

There are various versions of sash jammers that either include models that are lockable with a key or versions that come without a key.

SheffLOCK advise that sash jammers be lockable, this is so that should a Burglar smash a window they cannot simply reach in, undo the sash jammer by hand without a key and then proceed to lever open the window.

Remember criminals are forensically aware and do not want to climb through windows and broken glass as there is a significant chance they may cut themselves and leave blood at the point of entry.

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Using a sash jammer

They are simple to use in that once installed the user simply closes the window and then moves, or locks, the sash jammers lever over the frame area that opens as pictured above:

The Sash Jammer Video is a demonstration to show the sash jammer in a locked window state and how to operate the sash jammer to open the window.

The last part of the demonstration is to show how to lock the sash jammer from an open window state to a closed window.

sash jammer

Cost of a Sash Jammer?

The cost of a good quality lockable Sash Jammer varies between £10-£20 inc VAT to buy yourself depending on the make and model.

SheffLOCK offer a fantastic value for money offer on numerous lockable sash jammers to be installed at a property so please contact the team your requirements to receive a free quote.

sash jammer

Buy Sash Jammers

You can buy sash jammers direct from us to send in the post or you can call us to fit them at a time and date convenient to you.

They are simple to use in that once installed the user simply closes the window and then moves, or locks, the sash jammers lever over the frame area that opens as pictured above:

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Shefflock
Unit 6 Niagara Works
Niagara Road
Sheffield
South Yorkshire.
S6 1LU
Call: (0114) 44 262 00
Kevin, Chris & Richard

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Sash Jammer
Chris Hanson
8 Apr 2021