Soundproof – Sound absorbing Doors EI 120 RW40dB
Frame made of thick galvanized steel profile. 15/10 mm profiled to “Z”, so shaped as to allow the coplanarity door-frame, with compartment for the insertion of the thermo-expanding gasket, provided with holes for fixing on a frame or clamps to wall. The junction at the corners of the frame takes place by means of an exclusive interlocking system which, in addition to ensuring excellent rigidity, avoids the typical corrosion primers of the welds.
Knocker coplanar with the frame made of double thick galvanized sheet steel. mm 9/10 bent, boxed, welded, with interior package insulating high density and protected in the area of the lock with two layers of calcium-based material sulfate.
No. 2 door hinges made of pressed steel with double sliding ball bearing, dimensioned for intensive traffic and high loads conditions. Their construction allows the registrability of the sash position at any time by means of special screws which, under normal conditions, are covered by special snap inserts. Closing mechanism using a special spring inserted into the hinges, adjustable and invisible from the outside.
Seal hook placed between the two hinges. Fire-resistant, European encryption cylinder type lock with three keys. Black PVC handle with steel core, “U” shaped against accidental hookings.
Thermoexpanding gasket on the perimeter frame.
Surface finishing made with epoxy-polyester powder embossed standard RAL 7035 / 1013 / 5010 / 7016 / 9006 / 9010 The particular construction allows a perfect coplanarity sash-frame, in addition, the abutment wing has a thickness of 19 mm in order to limit at minimum the risks of injury in the even t of impact against people. The handle is placed at a height of 950 mm from the floor.
The door needs to be installed in a wide steel floor threshold c .a 100 mm.
Determination of sound insulation in accordance with standard ISO 140-3: Rw 40 dB.