Latch: Right hand or left hand reversible
Follower: The receiver of the square spindle from the lever that allows for reliable lock operation with no play.
Deadbolt: Depending on the locking system, there is a 1-turn or 2-turn option that both offer a throw of 20mm.
Cylinder Hole: 22 mm in diameter round or profile cylinder
Made by Ottostumm, the FerroFinestra W75 TB is the latest system. This specific system utilizes a visible, tactile surface consisting of slim lines. This system is our most advanced, thermally insulated, glass and steel system we offer. The 75 mm profile allows for highly insulated, energy-efficient glazing. The addition of our polyamide insulator that is fiberglass-reinforced provides superior thermal insulation making these doors fantastic for the most demanding of climates.
Ottostumm's new FerroFinestra W50 TB system allows for the original 20th century design of the hot rolled steel profiles to continue on. Utilizing this polyurethane, high-density insulator paired with the Low-E glass provides the insulated comfort that is needed. Offered with a large selection of finishes. these doors truly stand out against other steel profile doors and can be used for any kind of opening as they are fully customizable.