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Design Features

Read here about the Design Features of Sapa Aluminium systems.

We have a comprehensive product range of Windows for any application (Casement, Tilt/Turn, Reversible, Pivot, Window Wall) & Doors (commercial, entrance, hinged, sliding, sliding/folding), in particular: Dualframe 75mm Si Windows and Stormframe ST/202 Commercial Doors.

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Hazlemere Commercial

"From estimating to fitting their approach is professional in all respects"


"We have placed several contracts with Hazlemere Windows and we do so in the sure confidence that we shall not be disappointed with the result. From estimating to fitting their approach is professional in all respects and during all installations their security concerns are paramount."

Design features of our Sapa windows & doors

Dualframe 75mm Si Casement and Tilt/Turn Window – For projects that demand super insulated performance in low or high rise configurations, where fast manufacture and efficient installation is key and when ease of use is paramount – there is simply no better solution than this.

Dualframe 75mm Si aluminium windows can achieve a generic ‘A’ rating against BREEAM’s Green Guide criteria for commercial windows, in addition to delivering exceptional u-values and a Window Energy Rating of ‘A’ using conventional double glazed units. A whole window u-value of 1.4 Wm2K is achieved with double glazed units and a stunning figure of 0.9 Wm2K is achievable by moving to triple glazed. This is made possible by the innovative thermal breaks, gaskets and seals and means that there is no need to use costly foam filled profiles.

Stormframe ST/202 Commercial Doors – The Sapa Stormframe range of commercial doors and framing includes: a thermally broken door (STII); a non-thermally broken door (202) and both thermally broekn and non-thermally broken framing. Together the Stormframe range (formally known as Stormforce) offers specifiers a choice of systems to suit the specific demands of their clients.

Choice of pivot (with anti-finger trap stile option) or rebated doors can be installed with a BS8300 bottom tail adaptor, Part M compliant drained threshold and up to 32mm glazing. Designed to accept a wide range of industry standard hardware including Dorma, Axim and Adams Rite. The Stormframe suite consists of a range of aluminium profiles that can be integrated with other products from the extensive range of systems including curtain walling.

Commercial Aluminium Suppliers across the South of England

Based in High Wycombe, Buckinghamshire, we have worked on projects across the home counties and beyond. We have excellent relationships with several local authority bodies and work closely with project managers and company leaders to ensure all projects run as smoothly as possible.

From Swindon to Sussex and Kettering to Kent; our wide-ranging experience makes us the perfect choice for your commercial installation project. For the best in commercial aluminium, choose Hazlemere Commercial.

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