It is a solid, reliable overhead door made with an exclusive reinforced steel profile designed to house the rubber sealing strip. A practical system of counterweights is inserted into the galvanized steel side uprights for an easy and effortless opening. Metal parts are galvanized and painted on request with RAL colors and with stove-enamelled polyester-powder finish for maximum weatherproofing. The external parts of the mantle, uprights and upper crosspiece are covered with okoumè plywood panels; the various models are made with grouting in various designs. The inside of the Pratic legno Isolmant overhead door is covered with okoumè and frames; high density self-extinguishing polystyrene has been inserted between the external covering and the internal panels to provide good thermo-acoustic insulation. The Pratic legno Isolmant overhead door may be supplied with a pedestrian door, glazed areas and, for even easier opening, with an electric motor. Pratic legno Isolmant is supplied with a Yale - type lock with handle, the set-up for motor-drive unit and an anti fall system.
Sizes up to L 550 x H 280 cm
Safety according to CE marking
Prestige overhead doors are CE certified and they are equipped with the following safety systems:
Anti-fall system with double certified cable: breaks cable? The second intervenes. Breaks the second cable? The door is locked in the position in which it is, thanks to the parachute of the series. Since 1998 it has never occurred the break of the both certified cables.
Limitation of forces: an electronic system adjusts the engine power, maintaining the impact forces within the parameters of safety.
Mechanical safety rib: provides continuos self-test excluding any possibility of uncontrolled failure.
Protection of lever arms: safety and beauty. The levers are designed and positioned as the law requires, are coated to balance into the overhead door.
Durability and operability: the overhead doors by De Nardi, were tested for over 20.000 opening and closing cycles without ever needing any extraordinary maintenance and/or the replacement of components.
Wind resistance: certified class 2.
1 Anti-fall system with double certified cable
2 Limitation of the forces
3 Mechanical safety edge
4 Levers protection