- 24-gauge steel, baked polymer paint guarantee 20 years (white only).
- Triple weatherstripping (compression, magnetic and polyflex ).
- The frames are made from selected , dried and finger jointed timber to minimize warping. The frame sizes are 1½ x 7½ inch and 1¼ x 7½ in.Possibility of 9¼ inches depth.
- Door made with folded 90º steel at the top and at the bottom, to obtain greater precision and rigidity.
- Ball bearing hinges.
- Aluminum threshold with a white vinyl thermal break eliminating frost.With the weatherstripping at the bottom, it creates a barrier against air and water infiltration (exclusive Auroral, B.E.S.T. patented system).
- A solid wood block of 18'' supports firmly the handle and the deabolt.
- High quality Polyurethane insulation CFC-11 designed and tested to provide insulation and structural strength (R16).
- UPVC protective strip on the locking side of the door facilitating maintenance and improving the appearance of the door ( steel door).