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Full Consumer Brochure

Maintenance Guide

10 Year Guarentee


All of J and K's windows are built with Liniar's UPVC lead free 70 mm profile system, using 'K' glass double glazed units to give an 'A' Rated energy saving window, they help keep the warmth in your home whilst maximising the light allowed in. All of our double glazed units are argon gas filled helping to prevent heat loss, helping make a saving on your heating bill.

With all our windows, doors and conservatories manufactured on site our staff start creating your order as soon as its placed. Once it has been built our fitters will deliver and install your new double glazing within a short space of time. They remove all the existing windows and replace with your new purchase, finishing with new sills and trimming to our high standards. All our windows are fitted with espagnolette night vent locking system for added security to your home.

Our fitters are at hand to measure up and install at a time that suits you.






Benefits of Liniar Profile

  • To be aesthetically pleasing to the end user
  • To be thermally efficient
  • To be safe and secure
  • To meet all existing and known future legislation
  • To be environmentally friendly
  • To design out unnecessary costs
  • To design in ease of manufacture and installation
  • To design in unique features and benefits for the end user


Upvc Windows, Doors and Conservatories local to King's Lynn, Terrington St Clement, Hunstanton, Downham Market,
Swaffham, Fakenham, Norwich, Peterborough, Cambridge, Boston and Spalding.
Over 30 years in the industry supplying the highest quality to our customers all over the country. British Craftsmanship At Its Best
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