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  • Open glass bifold doors lead to a balcony with a view of trees. Inside, a wooden table with sunflowers and an orange sofa are visible. Sunlight streams in, illuminating the room.
  • Open the sf75 bifold balcony doors to reveal a view of a green field and tall trees. A vase with sunflowers sits on a table next to an orange sofa.
  • The living room features an orange sofa, sunflowers on the table, and a view of a lush garden through sleek SF75 bifold sliding glass doors.
  • Large glass sf75 bifold doors open to a balcony with a view of trees and sky, framed by a wooden panel structure. Indoors, flowers are arranged by the entrance.
  • A modern two-story house with large windows and wooden accents, featuring SF75 bifold doors that open to two balconies, and several potted plants on the ground level.
  • This modern two-story house features sf75 bifold doors, large windows, and wooden exterior sections with balconies. The front yard is bare soil, while potted plants adorn the entrance, adding a touch of greenery.
  • This modern two-story house features sf75 bifold doors that open to expansive balconies on both sides, enhancing the rural charm with large windows and elegant wood paneling.
  • Modern two-story house with sf75 bifold doors, large windows, wooden cladding, and a flat roof, set in a grassy area.
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SUNFLEX SF75 Bifold Doors feature on Grand Designs

A modern eco-house where the ultra thermally efficient SUNFLEX SF75 aluminium bifold doors were installed has appeared on Channel 4’s popular Grand Designs television programme.

‘Periscope House’ in rural Norfolk appeared in October 2014 and we are thrilled our advanced, thermally efficient SUNFLEX SF75 bifold doors were showcased as part of the stunning build.

Due to its remote location, it can be hard to win over the hearts and minds of the planning committee as only designs of exceptional quality and designed to the highest architectural standards are approved. However, Periscope House was the first Code Level 6 building built in the UK to gain planning permission through this policy.

Situated close to the River Tud in the beautiful Norfolk countryside, our SUNFLEX SF75 bifold doors are 2.7 metres high as the new builds ceilings are so high.

SUNFLEX SF75 Bifold Doors feature on Grand Designs

The SUNFLEX SF75 aluminium bifold doors provide:

  • The ultimate in thermal efficiency – with a large 44mm multi-chambered thermal break, keeping heat inside your room.
  • Incredibly slim 115mm sight-line – for an optimum, slim look and feel.
  • A 3/1 opening configuration offering French doors to one side.
  • The most weathertight aluminium systems available on the market with 900Pa water tightness, 600Pa air permeability protection and wind load resistance of 2,600Pa.
  • Frames finished in Anthracite Grey RAL7016 and stainless steel handles.
  • DDA compliant due to being low level track – so suitable for wheelchairs.

The result is a contemporary and environmental family home, making the most out of an area of outstanding beauty.

Find out more about the SUNFLEX SF75 aluminium bifold doors used within this build in our brochure.

Modern two-story house with sf75 bifold doors, large windows, wooden cladding, and a flat roof, set in a grassy area.
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