The basic structure for all our exterior door models. U-value = 0.7-1.0 (Door thickness 66 mm, triple glazing, door frame 131 mm (standard)/170 mm/210 mm, 2 seals, adjustable burglary resistant hinges, LC-102 lock case)

A more robust version of our standard structure, available for all models. U-value = 0.6-0.9 (Door thickness 78 mm, triple glazing, door frame 131 mm (standard)/170 mm/210 mm, adjustable burglary resistant hinges, LC-102 lock case)

An affordable option for facilities that do not require the best thermal insulation, available in some of our basic models. U-value = 0.78-1.0 (Door thickness 60 mm, double glazing, door frame 115 mm, 1 seal, LC-190 lock case)