With a wealth of test data ready for review, VELFAC windows and doors ensure a quick sign off from Building Control & Construction warranty Suppliers allowing you to get new homes on the market as fast as possible to maximise return on investment.


If windows and doors are not installed correctly, however, they can cause delays, issues and frustration.

For complete peace of mind we recommend using a VELFAC approved installer as they are specially trained in fitting our windows and doors and will make sure that every installation meets your quality and workmanship expectations.

If, however, you do wish to self-fit the units this video will provide you with a step-by-step guide to install your new VELFAC windows within the three most typical interfaces:

  • Brickwork
  • Render
  • Timber Cladding