SBC Aluminium Bi-Folding Doors & WIndows
SBC Aluminium Bi-Folding Doors & WIndows

Contact Us


Aluminium Bifold Doors & Windows


Specialists in

Heritage Alitherm

Crittall Style Windows & Doors

0800 612 5592





Crittall Style Heritage Aluminium Doors

This aluminium door system is designed as a slim-line and thermally efficient replacement for steel doors. As part of the Heritage Range it uses Crittall style profiles which will maintain the character and integrity of your period property. There are optional dummy butt hinges and traditional furniture complete the classic look. The Heritage Windows are suitable for use in listed buidlings heritage and conservation areas.


The Heritage Doors will be a huge improvement on your old steel Cirttall doors. They use the latest Polymide thermal break technology and have high security multi-point locking options, slim double glazed sealed units and are still a fraction of the cost of steel doors. Due to their high specification the Heritage Doors exceed the requirments for new build, replacement and refurbishment projects  alllowing the system to achieve a U Value of 1.5


Technical Performance
U Value 1.5 W/m2K (using sealed unit 1.0 w/m2K)
Air Test result pending
Water Test result pending
Wind Test result pending
Glass 24mm – 32mm
Typical Sightlines 59mm
Recommended Design Limits
Max Sash Width 900mm
Max Sash Height 2100mm
SH Sight Line 59mm
Max Sash Width 900mm
Max Sash Height 2100mm


Print | Sitemap
© AJS Aluminium Bifold Doors & Windows