Hörmann 340S series Commercial Sectional Door

Hörmann 340S series offers an R-value of 7.4, 3-layer bonded construction with a hot-dipped galvanized, finished steel front and back enclosing a HCFC-free polystyrene core. No matter which door suits your needs best, all 340S doors are manufactured to the highest quality standards and come with thermally broken tongue and groove section joints as standard.