Scheme 550

The ‘Scheme’ number relates to how many doors there are and how they will open.

So with a scheme 550, the first digit relates to the number of panes: 5. The second digit relates to how many slide left: 5. The third digit to how many slide right: 0

As standard, our Aluminium Bifold doors come complete with:

• Efficient 28mm Toughened Argon Filled Glass
• High security shoot bolt locking system locates into concealed track
• Choice of internal only or internal and external security handles
• 10 year guarantee
• Made to measure sizes
• Opening inwards or outwards