AluK was established 45 years ago under the well respected Beaufort brand name and is now one of the leading aluminium systems companies in the UK.

With a diverse and advanced product range, Capital Windows manufacture a AluK products that offer excellent performance, high energy efficiency and performance.

AluK products have been installed in a wide variety of housing, commercial, healthcare, hospitality and retail developments.

These include:

• Less frame, more light Evoke’s frames are 30% slimmer than those of the closest competitor. Based on an internally-glazed GGF standard window, with Evoke, there’s an extra 12% glass area

• Swift installation Flat rebates are easy to maintain and can save a couple of minutes per sash when fitting glazing packers. Evoke’s frames also have a flat back that’s easier to pack when you’re on site

• Reduced cost, reduced waste Evoke uses approximately 30% less aluminium than comparable systems. It’s therefore more affordable, more sustainable and less likely to generate waste

• Cleaner lines and adaptable style The Evoke flush range has clean lines and the option of a genuine fully-flush casement. It has a contemporary style that also works with more traditional architecture. With a 36mm cill that replicates timber, it’s also ideal for conservation areas

• Thermal performance Strong aluminium sections allow large glazed areas, while advanced thermal break technology ensures no compromise on insulation. Evoke flush can reach a WER of Band A+ and U-values of 1.2W/m2K with triple glazing

• More integration Evoke is also compatible with PVC-U cills and trims

SAPA Building Systems have been an influential aluminium systems company in the UK for over four decades. Capital Windows are one of the longest established SAPA manufacturers in the UK.

With a comprehensive product range, dedicated specification staff and an excellent track record in commercial projects nationwide, SAPA offer some of the very best aluminium door, window, curtain walling and facade glazing solutions.

These include:

• Pivot screen
  Our pivot screen options provide the flexibility to instantly change the way the internal space is configured. Available up to 2 meters wide and with standard or soft close options.

• Hinged Doors
  With a range of width, glazing, hinge, and furniture options, our doors can be configured to suit any design theme, from traditional to minimalistic and contemporary to industrial.

• Sliding Doors
  Sliding doors provide the option to close or partially open the internal screen, with a choice of contemporary or vintage rail options to echo the over all design.

We designed and developed the Alitherm Heritage ranges specifically to meet the requirements of refurbishment and renewal projects, particularly in sensitive planning areas. Ideal for Victorian and Art Deco projects, the range of commercial and residential windows and balcony doors is already proven in a wide range of renovation, refurbishment, and heritage projects across the UK.

The profile range of PVCu products includes:

• Window systems for casement, tilt and turn and reversible windows

• Sliding patio doors and lift and slide patio doors

• Conservatory systems

• Ancillary profiles such as window boards, trims, facias and more, used in construction