Durations Premium Plus 'A' Rated Aluminium Windows
Our top of the range BFRC certified Premium Plus aluminium windows are beautiful looking, high performance aluminium windows that have achieved and been certified to have an 'A' rating in energy efficiency from BFRC. It has done so as a DOUBLE glazed window. 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.
Features
- (WER) 'A' RATED - registered and certified by BFRC.
- 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.
BFRC Energy Rated Windows
Duration windows has been fully certified by BMTRADA and fully registered and licenced by BFRC to fabricated 'A' Rated windows. But what does this entail? BMTRADA is the approved independant agency that was reponsible for auditing the simulation of the window rating and our manufacturing systems. BMTRADA had to ensure that we are in a position to fabricate and provide customers with a product, which is complient and fully rated under the BFRC scheme.
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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.
