Keane Windows have been manufacturing and installing Secondary Glazing for over 20 Years. This System has been in existence for over 35 years and offers a very wide range of designs and features to allow almost any type of building to be treated.

Keane Windows offers a full technical advisory service and installs Secondary Glazing throughout the country

All our secondary glazed windows have been subjected to rigorous independent tests carried out in laboratory conditions. Certificates of such tests and any further details are available and we would be very happy to supply all relevant information upon request.

We offer a large range of secondary glazing products that are are available in white aluminium and are suitable for all types of buildings.

Secondary Glazing benefits acoustic and thermal protection against outside noise. Thermal insulation is another benefit that will keep your home warmer. There are many other benefits:

• Added Security
• Suitable for listed buildings
• Eliminates drafts
• Lower Heating costs
• Ideal for conservation areas   
• Suitable for all types of buildings, including schools, colleges, universities, hotels, offices, grade one and two listed buildings, conservation areas, commercial buildings, public areas and for the home.
• Acoustic and Thermal insulation, are instrumental in specifying and evaluating the materials and methods used to reduce the rate of heat transfer.Our range of Secondary Double Glazing is supplied fully assembled. Suitable for all types of buildings, including schools, colleges, universities, hotels, offices, grade one and two listed buildings, conservation areas, commercial buildings, public areas and for the home. We have a comprehensive range of styles for every application. These include Lift Outs, Vertical Sliders, Hinged Units and Horizontal Sliders, Balanced Vertical Sliders and Tilt-in Balanced Vertical Sliders.
  Our Secondary Glazing System has excellent thermal insulation. Harmful effects of ultra violet radiation can also be reduced whilst letting in solar heat.
  Welcome to The Secondary Glazing Company, in association with UA Glass Ltd. We manufacture secondary glazing in our Norwich based factory, supplying and installing within Norfolk and Suffolk. Our secondary glazing is a light weight, slim-line aluminium system which can be fitted in addition to your existing windows, whether they be single glazed or double glazed, plastic, timber or aluminium, in order to provide increased sound reduction, thermal insulation and security. Key benefits:
  
  
• Reduce Noise Pollution from road traffic, aircraft, and general social noise.
• Reduce Heat Loss saving energy and reducing fuel bills.
• Added Security allowing you to enjoy added comfort without disturbing your view, due to the unobtrusive design of secondary glazing.
• Suitable for Listed Buildings and ideal for Conservation Areas
• Eliminates Draughts
• Easy to Install
• Our range of secondary glazing is supplied fully assembled and glazed, and is available in white, brown or silver. It is suitable for all types of buildings, including domestic homes, commercial buildings, schools, hotels, offices and provides a solution for listed buildings, period properties and houses in conservation areas where window replacement is not an option.
  
   
• 
   Granada is one of the largest manufactures, installers & suppliers of secondary glazing in the UK & Ireland.
  
  We operate from our Head Office & Factory in Chesterfield, Derbyshire, where we have more than 70 staff involved in the manufacture, distribution & administration of our range of secondary glazing products.
  
  In addition to our Head Office operation we have Facilities in London as well as Regional Technical & Trade Representatives, Regional Surveyors and a National Network of Approved Installers.
  
  The Company commenced trading in 1992 and has produced more than 500,000 products.
  
  We currently produce over 35,000 secondary glazed units per year with a capacity within our current facilities & resources to produce more than 50,000.
  
  Our largest single job to date has been the supply & installation of over 700 secondary windows during 2007 to Lloyds TSB for their Faryners House offices, London, on behalf of Main Contractors ISG Interiors.
  
  We also regularly manufacture & supply single secondary glazed windows to all parts of the UK & Ireland.
  
  Quite literally, no job is too small for us, and no job is too large.
  
  It is a matter of pride to us that we make a point of providing the same level Service, Quality and Value for Money to all of our Customers, whether they are interested in the supply of one secondary glazing unit to be delivered to Lands End or John O'Groats, or for the supply & installation of 700 secondary windows anywhere in the Country.
  Our range of Secondary Glazing comprises a slim aluminium outer frame joined to a seasoned hardwood surround, usually all finished in white, which allows for a neat, unobtrusive installation, even in the most difficult situations.
  
  A range of sub-frames and scribing trims are used to assist face fixing, reveal fixing and the coupling of units. This allows for a sympathetic installation to all types of properties and all types of windows. Suitable for all types of premises including Grade One and Two Listed Buildings and Conservation Areas.
  
  Many home owners can only insulate their property with secondary glazing because they live in a listed building or a conservation area. Adding secondary glazing systems is a simple and stylish solution involving adding an extra slim-line internal window within your window reveal or to your existing window frame. This means the external appearance of your property is not affected.
  Hazlemere supply and fit a range of bespoke secondary glazed windows, each custom built to your needs. Like double glazing, it is designed to insulate your home and reduce external noise.
  Secondary glazed windows are available single glazed or double glazed in any RAL colour; however the most popular colour remains white single glazed. Being made of aluminium Hazlemere's secondary glazing is lightweight, durable and requires very little maintenance. All fixing and screws are hidden by specialist trim to give a seamless look. We can even supply and fit curved secondary glazing for arched windows.