steel enhanced anti-burglary doors -RC2-

Steel class RC2 doors are a product with basic protection against burglary. Doors of this type protect against burglary not only with the use of physical force, but for a specified period of time they withstand attempts to open with simple tools, for example, a screwdriver, pliers or wedges Compared to ordinary classless doors, RC2 doors are characterized by durability and functionality, which makes them perfect for commercial buildings, industrial plants and multi-family housing in common parts of buildings. The structure of the RC2 door is simple and solid; at the same time it ensures reliability of use and an elementary level of safety. This line of products is intended for investors who value quality and safety.

RC2 steel doors

should effectively protect against the actions of accidental and unqualified burglars The design assumptions of the RC2 door assume attempts to force them by occasional burglars using relatively little force and using the simplest tools. The right level of door resistance discourages from continuing burglary and theft attempts without avoiding the associated noise and the risk of being caught by the police or security. The degree of security of the door against burglary is determined by the PN-EN 1627:2012 classification standard, which divides the construction joinery into six classes of burglary resistance. According to this standard, doors classified as RC2 class first undergo rigorous laboratory tests specified in the research standards. Resistance to manual break-in attempts is determined by the PN-EN 1630:2012 standard; the doors are tested by opening them using the tools included in the A1 and A2 sets listed in this test standard. These are simple, but at the same time quite effective devices such as a hacksaw, steel pipe, screwdrivers, pipe wrenches, and wooden and PVC wedges. The time of resistance to manual burglary with the use of such tools was determined for the RC2 door for 3 minutes. Laboratory tests also provide for checking the door in terms of static loads according to PN-EN 1628:2012. Loads through actuators are applied pointwise in places particularly exposed to forcing; in the corners, fastenings of any glazing, locking points and at the hinges. The RC2 door should withstand loads up to 3000 N. Another test performed in laboratory conditions is the dynamic test according to PN-EN 1629:2012, during which the door is subjected to a series of impacts. The tested door classified in the RC2 group according to PN-EN 1627:2012 is a proven product that can be successfully used for basic protection against burglary.

Construction of RC2 steel doors.

RC2 door leaves have a plate structure. They are made of two sheets of galvanized steel sheet, 1.2 to 1.5 mm thick, formed by cold bending, forming the outer and inner plane of the door leaf. The structure of the door leaf is reinforced with steel sections. The RC2 door leaves are filled with an EPS polystyrene board, polyurethane foam with a density of 30 kg/m3 or mineral wool with a density of 60 kg/m3. The filling of the wings provides good thermal and acoustic insulation, and additionally binds the outer sheathing of the wings together, giving them adequate stiffness. The door leaves are made with a three-sided or four-sided thick rebate, and an EPDM gasket is placed in the rebate. The door leaves are equipped with recessed latch and bolt locks of class 5 security in accordance with the PN-EN 12209:2005 standard. RC2 doors can also be equipped with auxiliary locks, usually located above the main locks. RC2 door locks are equipped with double-sided cylinder cylinders of the class -6-. The standard fittings are stainless steel handles on a safe plate protecting the cylinder against burglary attempts. RC2 class steel door leaves are additionally equipped with fixed security bolts embedded in the rebate on the hinge side of the leaf. The leaves are suspended on steel bearing hinges with a diameter of 20 mm, welded to the leaf structure and screwed to the frame. In terms of strength, the hinges are matched to the weight of the leaves and the requirements of protection against knocking out, tearing out, drilling and cutting. The frame is an important element of the RC2 steel door structure. The frame sheathing is made of steel sheet with a thickness of 2.0 mm or even 3.0 mm in order to obtain adequate stiffness and resistance to deformation during a break-in test. Ø12 holes for mounting dowels are punched in the frame elements of the frames. The complementary element of the RC2 door frame is a steel threshold, permanently welded or adapted for cutting. It makes it difficult to force the door leaf open and seals the door at the bottom edge, ensuring very good thermal and acoustic parameters. RC2 door frames are produced in a wide range of shapes; it is possible to order doors with a block, angular frame, covering a given wall thickness. On individual request, additional holes can be made in the frame or mounting anchors can be used.

RC2 door surface finish:

Both the sheathing of the wings and the frame of the RC2 door are made of galvanized steel. Ultimately, to ensure aesthetics and corrosion resistance, the doors are powder coated in a selected color from the RAL palette. Coating according to the RAL palette is a standard method of finishing RC2 doors. The options include non-standard methods of door leaf surface finishing:
- DUOCOLOR varnishing, external and internal sides of door leaves varnished in various colors
- veneer with PVC veneer in wood-like colors
- cladding with MDF board with a thickness of 6.0 to 10.0 mm, varnished according to RAL, with possible milling of the coffers according to the pattern
- cladding with a plywood board with a thickness of 6.0 to 10.0 mm, covered with a veneer
- additional strips of stainless steel in the lower edges of the wings or at the height of the handle

Execution and equipment of RC2 doors.

Thanks to a solid structure, a wide range of frame profiles and numerous equipment options, RC2 steel doors gain new functions and possibilities of application in many areas of the construction industry. The doors can be used as external doors, exposed to weather conditions, but also as interior doors, separating rooms inside the building. The doors can be opened both to the outside and to the inside of the protected room. RC2 doors are manufactured as single or double-leaf doors, in standard and non-standard dimensions. Most of the RC2 class doors are solid, but this type of door can be glazed with glass of the appropriate burglary resistance class. The glazing of the wings can have various dimensions, shapes and arrangements, glazing modules should be filled with glass of at least P4A class to maintain burglary resistance. It is also possible to make doors with transoms and glazed fixed side extensions. RC2 steel doors are distinguished by a wide range of non-standard equipment. A panoramic viewer can be fitted in the door leaves. The door can be equipped with access control elements such as electromagnetic locks, electric strikes, electric locks, opening sensors and other devices. RC2 doors are adapted to the installation of door closers, closing sequence regulators, panic fittings, electric actuators and other elements according to individual projects.

Installation of RC2 class steel doors.

The structure of leaves and frames as well as the selection of fittings are prepared for attempts to force the door open, but the level of protection of the door against burglary is simulated if they are not professionally installed. Steel doors in the RC2 class should be installed in such a way that does not weaken their burglary resistance. Installation of the door should take place in appropriate conditions and be performed by a professional team. Door frames should be embedded in walls of appropriate strength - 100 mm thick for reinforced concrete walls, 125 mm for solid brick walls and 175 mm for cellular concrete walls. In plasterboard walls, door installation is possible only on double frame profiles or on an additional steel structure. The frames can be attached to the walls with expansion dowels, anchors with mounting pins, welded ribbed bars and screws. The door frames are filled with concrete, assembly foam or mineral wool. Correct, professional installation of an RC2 door is of key importance for its proper operation and protection against burglary. Incorrect installation of the door may damage it, or at least reduce its burglary resistance.