Technical Information Thickness of the Door:- 35mm to 45mm Standard sizes of the Doors (with frames):- a) 7ft X 3.5ft b) 7ft X 3ft c) 7ft X 2.5ft Composition of the Door:- Sandwich Construction, premium Galvanised steel sheets of desired thickness are spot welded on C channel frame. Insulated with Polyurethane foam (PUF)/ Polystyrene Door Finish a) Matt,super matt and broad texture Frame:- Hollow Frame filled with mortar Insulation:- Ecofreindly PUF Insulation Installation:- Simple and easy to install