Yale Blade Locking System

Signature Windows is now offering a new security locking system on all Double Glazed uPVC windows products. We have gone with the new security locking system to increase the durability and value you receive by dealing with Signature and our high-quality products.

Key Benefits of the "New" Yale Blade Security Locking System

  • Improved security lock with aluminium construction providing enhanced security
  • Longer life expectancy and simplified installation and maintenance for future useproviding peace of mind for your existing and future customers
  • Tested to BS EN 1670 Grade 4 (240 hours NSS) and endurance tested to 30,000 cycles
  • Exceeding PAS24 requirements, the lock also comes with Secured by Design accreditation
  • Best of all, Yale Blade even comes with a 12-year mechanical guarantee

Yale Bi-Directional Blade


We are now offering the Yale Blade Bi-Directional Window Lock on all our new orders. This improved security locking blade has aluminium construction, providing enhanced security, longer life expectancy and simplified installation and maintenance.

Yale Blade

Yale Encloser


The Yale Encloser window lock delivers Secured-by-Design security with extremely fast fitting and absolutely no cropping. It's designed to work with all our uPVC window products at Signature Windows.

Yale Encloser

Get on the phone to us now for a competitive quote - just call 0808 1230013 or if you prefer you can use our Web Enquiry Form and we will answer any enquiries that you may have.