Fab & Fix UPVC Casement Window Restrictor Steel Concealed Safety Catch 9.5mm Stack

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Stainless Steel
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Window Restrictor UPVC Casement Hidden Safety Catch 9.5mm Stack Height Fab & Fix

The Fab & Fix Concealed Window Restrictor will take you on a journey to unparalleled safety and peace of mind. Designed to masterfully balance the dual needs of safety and accessibility within your home, this product stands as a guardian, limiting window openings while ensuring a safe escape route during emergencies. It's the perfect ally for the DIY enthusiast looking to bolster home security without compromising on ease of use.

The genius of the Fab & Fix window restrictor lies in its meticulous construction. Fashioned from austenitic stainless steel, it not only promises maximum corrosion resistance but also guarantees enduring performance. Its sleek, fully concealed design not only adds to the aesthetic appeal of your windows but also screws effortlessly into the euro groove, making it a seamless addition to your home's safety features. This versatile tool is your go-to solution for retrofitting, enhancing the security of your living space without the need for extensive modifications.


  • Available in both left and right-handed opening
  • Fully concealed
  • Non-locking for a quick escape in the event of a fire
  • One-handed operation
  • Material: Austenitic stainless steel
  • Fixings supplied
  • Ideal candidate for retrofitting
  • Stud plate included: 9.5mm
  • 10-Year Manufacturer's Mechanical Guarantee

What's in the pack?

1 x Fab & Fix Casement Window Restrictor

1 x 9.5mm Stud Plate

4 x Self Drilling Screws 3.9mm x 25mm


  • Restrictor height: 102mm
  • Backplate width: 16mm
  • Arm pivot to pin placement: 62.5mm
  • Restrictor screw hole centres: 86mm
  • Stud plate length: 40mm
  • Stud plate width: 16mm
  • Stud height (stack height): 9.5mm
  • Stud plate screw hole centres: 24mm

How do I know what size stud plate I need?

The pin on the stud plate should be small enough to allow the window to close but protrudes enough for the restrictor to latch over it. Open the window just far enough to slip a ruler or tape measure into the groove of the frame where the window hinge sits. Measure to the edge of the sash with the window just open, this is often called the 'Stack Height'. The Stack height of this restrictor is 9.5mm

Do I need a left or right-handed restrictor?

Please refer to the image in the gallery to help you choose.

We aim to deliver your products as quickly as possible. Orders taken before 12:00pm will normally be dispatched the same day. Orders taken after 12:00pm on a Friday will be dispatched the following Monday. For all Next Day Delivery Services (next working day excluding Saturday's) please order before 12:00pm for same day dispatch. Depending on the delivery service selected on checkout, we either use a next-day courier service, Royal Mail Tracked 48 or Royal Mail Tracked 24 postage service.

Free Shipping

Free shipping is available for all order over £10.00, delivery time estimates for free delivery is 3-5 working days.

No Quibble Money Back Returns Policy

Shop with absolute confidence knowing that if you are not satisfied for any reason we will refund the full purchase price providing you return the item within 30 days and in the same condition as when dispatched. Except for those cases where an item proves to be faulty, damaged on delivery or incorrectly described, return delivery charges and postage expenses are not refunded.

How do I return Items?

If you need to return an item please log into your account and click on the orders tab. Locate the order you wish to return and on the right click on 'Return Items?' You will then be taken to the returns tab; on the right hand side enter the quantity you wish to return; then on the left below the item, select the return reason and then the return action (whether you would like a replacement or a refund). If a replacement is not available, we will issue you a refund. There is a comments box to the right if you need to enter any more details.

Once you are happy that all the details have been correctly entered then click on the 'Submit Return Request' button. You will then be sent a return request email from JCP Hardware with instructions.

If you have placed an order as a guest and you wish to return it, then please email.

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