External Aluminium Bifold Grey 3 Left 1 Right 3990 x 2090mm High

These high performance aluminium BiFold doors designed to give thermal efficiency, ease of installation and low maintenance. Robust thermally broken 73mm thick aluminium doors, 28mm Double glazed Low E coated glass for optimum heat retention helping to keep your energy bills down. Slim sightlines surrounding the glass giving you less interruption to your view and maximum light penetration, when the doors are open or closed. Door set is supplied fully glazed so no specialist glazing skills are required when assembling on site. Almost all of the hardware and seals are already installed into the door and frame making installation quick and easy. 15 Year manufacturing fault guarantee for peace of mind. The powder coating is guaranteed for a period of 10 years and requires low maintenance. Full details are available in the home owner's manual BiFold door set includes doors, frame, sill, folding hardware, tracks, locks, handles, frame fixings, lintel fixings and easy to follow assembly instructions. Required opening is a total of 10mm bigger than the outer frame dimensions shown in both height and width Returns may be subject to a collection charge Trickle Vents included as standard