Durations Premium Plus 'A' Rated Aluminium Windows
Our top of the range BSI certified Premium Plus aluminium windows are beautiful looking, highly energy efficient and environmentally friendly aluminium windows that have achieved and been certified to have an 'A' rating in energy efficiency. It has achieved this rating with DOUBLE glazed units. You will get a fast return on the extra cost of this GREEN, environmentally friendly window as it could save you upto 10% on your heating bills. Now available with our Chelton Handle Range.
Features
- (WER) 'A' RATED - registered and certified by BSI.
- Slim-line using the natural strength of aluminium to give you increased glass area.
- Curved / Arched windows can be fabricated using this system.
- Equal Leg, Odd Leg and Direct Fix frames.
- White, Silver, Brown or Black colours, RAL or dual colours.
- Internally glazed 28mm sealed units.
- High security, double glazing.
- 74mm depth of frame (85mm for odd leg frame, non-rusting aluminium).
- Polyamide thermally broken, for high thermal efficiency.
- High security modern shoot bolt locking.
- Friction, Egress or Restrictor hinges.
- High weather performance.
- Complies with Doc. L of building regulations.
- Sash jammers available.
BSI Energy Rated Windows
Duration windows has been fully certified by the British Standards Institute (BSI) and fully registered with a Kitemark licence in respect of the Window Energy Rating Group Scheme. BSI is the National Standards Body of the UK, with a globally recognised reputation for independence, integrity and innovation in the production of standards that promote best practice. BSI is an approved independant agency that is reponsible for auditing our manufacturing process and systems. They have to ensure that we are in a position to fabricate and provide customers with a product, which is complient in the respect of Window Energy Rating Group scheme.
Read More »
Chelton Handle
Unique to Duration Windows the Chelton® Handle Range (patent pending), consists of a modern slim-line handle, an art deco style handle, designed to look like traditional steel window handles and a period monkey tail handle. These handles are fitted directly into the glazing bead, for clean lines and for added security. With a choice of three different designs available in a range of colours the Chelton® handle range has something to suit every home.
Read more »
Window Performance
W/M²K
Permeable
Tightness
Resistance
These statistics apply for: Double-glazing, 90% argon filled Swisspacer bar (low-E, en=0.05, soft coat), 20mm or more ( U Value centre Pane - 1.181 W/M²K Glass *)
Recommended Sizes
- Fixed light window - maximum of 3000mm wide and a maximum of 3000mm high
- Top hung casement - maximum of 1250mm wide and a maximum of 1500mm high (Maximum weight of 50kg)
- Side hung casement - maximum of 750mm wide and a maximum of 1500mm high (Maximum weight of 24kg)
It is possible to exceed these sizes depending on design and application. For more advice on sizes larger than we recommend please seek advice from our technical department.
Colours
- Colours are White, Black, Brown and Silver
- Dual colours such a black outside and white inside.
- Any custom RAL colour. There are hundreds of colours in the RAL range and you can choose to have your windows/doors the same RAL colour inside and out, or different colours inside and out. Please see the RAL Colour Range page for examples.
