These superior quality, UK manufactured, high security White PVC bifold door systems are supplied fully assembled and tested in the factory, with all ironmongery fitted to make the job of installation as simple as possible on site. These high security bifold doors are supplied with 7 point locking systems and steel reinforced PVC profiles to give ultimate security and rigidity even in those warmer conservatory areas. Designed for easy installation with hinges, runners and locks already fitted, making this the UK's most popular UPVC bifold door system with both homeowners and tradesman for ther simplicity. The toughened double glazed glass units are supplied separately for installation once the doors have been installed into the property. Glass units are supplied fully compliant with latest building regs for thermal performance, and complying with safety glass units to BSEN12150 and BSEN1279. The product is backed with a manufacturers guarantee of 10 years, with 5 years on the glass units. These UPVC White bifold doors remain the most popular patio doors in the UK external door market.