The attraction of a door that simply folds out of the way is undeniable.  It’s a boon when entertaining, and it’s wonderful on a balmy summer evening. But a bifold that isn’t well built can spell trouble. The forces and the weight are considerable which is why our doors are ideal. Crystal’s doors have all the strength a bifold needs and packs a real punch with its ultra-slim sashes. Because it includes full-length thermal break technology in its sections, they are also highly insulating. The tough polyester powder coating resists damage from scuffs and day-to-day knocks.

The doors can be configured to your exact needs and is a fabulous example of great engineering. Its components include double hinge fixings for reliable long-term performance, multipoint locking to the main door and shootbolts for high security. There’s also an outstanding track and roller system that’s easy to operate and maintain, ensuring they are always reliable and always ready to impress.