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Steel Rolling Shutter
The Madoors USA Steel Rolling Shutter is a 100% domestically produced, remote-controlled automatic steel shutter and shutter system providing definitive security, heat insulation, and sound insulation for workplaces, garage entrance doors, villas, building doors and windows, shop windows, and all commercial and residential security applications. Manufactured from ST 42 steel with galvanized metal in the alloy — not merely surface galvanized coating — the Madoors USA steel rolling shutter prevents corrosion and rust throughout the material's working life without the galvanization stripping and rusting that affects competitor shutters using surface-only galvanized coating. With 40 daN/m impact resistance that cannot be opened with hammers, crowbars, sledgehammers, or hand tools, coded remote control that cannot be copied, and shooter and rolling gearmotors that prevent manual lifting from outside, Madoors USA Steel Rolling Shutters provide the highest available security performance in the automatic shutter market.
TECHNICAL SPECIFICATIONS
The Madoors USA Steel Rolling Shutter uses 2.6mm sheet metal thickness — supplied from Ereğli Iron and Steel Factory as first-quality material — providing the structural mass required for the 40 daN/m impact resistance specification. The 2.6mm first-quality steel lamella thickness is significantly greater than the standard 0.5mm to 1.2mm laminates used in lightweight shutter alternatives — providing proportionally greater resistance to forced entry attempts with hand tools.
The defining material quality of the Madoors USA steel shutter is the ST 42 steel with galvanized metal in the alloy — the galvanization is an integral component of the steel composition rather than a surface coating applied after fabrication. This alloy galvanization maintains corrosion protection throughout the full thickness of the steel material even as the surface is worn, scratched, and abraded during years of operational cycling — unlike surface galvanized coatings that strip from rubbing metal surfaces as the shutter operates and leave bare steel exposed to rust.
Impact resistance of 40 daN/m confirms that the shutter withstands the force of hammer, crowbar, sledgehammer, and tin scissors attacks without structural failure or opening. This certified impact resistance provides the security assurance required for shop windows, garage doors, and commercial premises where break-in attempts with manual tools are the primary physical security threat.
The coded remote control system uses encrypted control codes that cannot be copied to another remote — preventing the remote cloning and signal replay attacks that defeat standard fixed-code remote systems. The shooter and rolling gearmotors mechanically prevent the shutter from being lifted upward and opened manually from outside — eliminating the forced manual lift attack method used against standard spring-counterbalanced shutters.
Available product types include perforated shutter — partially permeable panels showing the inside of the store for retail showcase visibility, non-perforated type — solid panel for maximum security and insulation, galvanized automatic steel louver shutter, polyurethane-filled steel louver shutter for maximum thermal insulation, and unfilled type for standard security applications. Aluminum with polyurethane foam filling inside is also available for the highest insulation specification.
Manual operation during power failure is available. Optional UPS battery-powered unit provides 40 to 50 automatic on/off cycles during power cuts. Optional alarm system integration allows the shutter to operate in conjunction with the building security alarm.
Electrostatic powder oven paint in RAL code colors provides the architectural color coordination required for building facade integration — adding aesthetic character while maintaining the security and insulation performance of the galvanized steel substrate.
KEY FEATURES
ST 42 Steel with Alloy Galvanization — Not Surface Coating
The galvanized metal in the ST 42 steel alloy composition is the primary quality advantage of the Madoors USA steel rolling shutter over all surface-only galvanized competitor products. Surface galvanization strips from rubbing metals as the shutter cycles over its service life — leaving bare steel that rusts progressively from the abraded surface inward. Alloy galvanization cannot be stripped by surface abrasion — the corrosion protection is maintained throughout the full material thickness regardless of surface wear. This material quality difference directly translates to a longer corrosion-free service life with no rust maintenance requirement.
2.6mm First-Quality Steel — 40 daN/m Impact Resistance
The 2.6mm first-quality steel from Ereğli Iron and Steel Factory provides the structural basis for the 40 daN/m certified impact resistance — the resistance to hammer, crowbar, sledgehammer, and hand tool attack that is the primary physical security performance specification for commercial and residential rolling shutters. This impact resistance level directly prevents the most common forced entry methods used against commercial premises — hand tools that would breach lighter shutter constructions cannot open the Madoors USA steel shutter within the time available for an undetected forced entry attempt.
Cannot Be Opened with Hand Tools — 40 daN/m Certified
The specific confirmation that the shutter cannot be opened with hammer, crowbar, sledgehammer, or tin scissors provides the security assurance that is the primary selection criterion for commercial property owners choosing between shutter specifications. This tool-resistance certification directly addresses the threat profile of commercial break-in — opportunistic and prepared burglars using the standard tool inventory of forced entry attempts.
Coded Remote Control — Copy-Proof
The coded remote control system prevents control cloning — the encrypted rolling code changes with each transmission, making captured signal replay attacks ineffective and preventing the signal duplication that allows standard fixed-code remotes to be cloned. This coded security directly protects against the remote duplication attack that is increasingly used against commercial and residential remote-controlled shutter systems.
Shooter & Rolling Gearmotors — Manual Lift Prevention
The shooter and rolling gearmotors are specifically designed to prevent the shutter from being manually lifted from outside during normal operation — the gearmotor drive creates a mechanical lock against manual lift that standard spring-counterbalanced shutters without gearmotors cannot provide. This mechanical lift prevention eliminates the most common mechanical bypass of remote-controlled shutters — lifting the shutter manually from the bottom rail to create a forced entry gap below the locked bottom bar.
Perforated Type — Store Interior Visibility
The perforated lamella option provides partial light transmission and visibility of the store interior when the shutter is closed — allowing product displays and store contents to remain visible from outside during closed hours for customer engagement and deterrence of smash-and-grab attacks where the store interior is not visible. Perforated type shutters are the standard specification for retail display window and showcase applications where combined security and visibility are both required.
Polyurethane-Filled Thermal Insulation
The polyurethane-filled steel louver shutter provides thermal insulation in addition to security — significantly reducing the heat transfer through the closed shutter and directly reducing the heating and cooling energy cost of the climate-controlled space behind it. Polyurethane fill is the appropriate specification for refrigerated storage, air-conditioned retail premises, and any application where thermal loss through the shutter position is a significant energy cost.
UPS Battery Backup — 40 to 50 Cycles During Power Cuts
The optional UPS battery-powered unit provides 40 to 50 automatic on/off cycles during mains power failure — maintaining normal remote-controlled shutter operation throughout the power outages that may affect commercial premises. This battery backup directly prevents the security exposure of a shutter that cannot be closed during a power failure at end of business — maintaining the closed and locked security function regardless of electrical supply status.
Alarm System Integration
Optional integration with the building alarm system allows the shutter operation to be coordinated with the security alarm — opening with alarm disarmament and closing with alarm activation, providing an integrated access control and security system response from a single combined operation.
RAL Color Electrostatic Powder Oven Paint — Architectural Aesthetic
RAL color specification with electrostatic powder oven paint provides precise color matching to any architectural facade requirement — the durable oven-cured powder coating maintains color quality throughout the outdoor service life without the fading, chalking, and peeling of standard paint finishes. This color durability combined with the alloy galvanization corrosion resistance provides long-term aesthetic quality with zero maintenance requirement.
PRODUCT TYPE COMPARISON
Standard Non-Perforated Steel Shutter — 2.6mm ST 42 steel, alloy galvanization, 40 daN/m impact resistance. Maximum security and insulation. Workplaces, garages, warehouses.
Perforated Steel Shutter — Same steel specification with perforations. Store interior visibility. Retail showcase and display window applications.
Polyurethane-Filled Steel Louver Shutter — Maximum thermal insulation. Climate-controlled premises. Refrigerated storage applications.
Unfilled Steel Louver Shutter — Standard security without fill insulation. Standard commercial and residential applications.
Aluminum with Polyurethane Foam — Highest insulation specification. Interior and climate-controlled applications.
ASSEMBLY & INSTALLATION SEQUENCE
Opening Assessment & Product Selection
Opening width and height, required product type — perforated, non-perforated, polyurethane-filled, aluminum — color specification, motorization type, UPS requirement, and alarm system integration are confirmed.
Guide Rail & Header Box Installation
Steel guide rails are installed at both sides of the opening — plumb, parallel, and correctly spaced. Header box for the lamella coil is installed above the opening at the confirmed position.
Gearmotor Installation
Shooter or rolling gearmotor is installed within the header box — motor direction, torque setting, and manual lift prevention function are verified.
Lamella Curtain Assembly & Coil Loading
The 2.6mm ST 42 steel lamella curtain is assembled and loaded onto the coil in the header box. Travel from full open to full closed is tested and end-of-travel limit switches are set.
Bottom Rail, Lock Bar & Manual Release
Bottom rail contact with the floor threshold and lock bar engagement are verified. Manual release for power failure operation is tested.
Coded Remote Control & Optional Systems
Coded remote control transmitters are programmed to the encrypted receiver. UPS battery unit and alarm system interface are connected and tested where specified. 40 to 50 cycle UPS operation is verified.
Impact Resistance Verification & Handover
Installation quality, impact resistance of the 2.6mm ST 42 steel lamella construction, gearmotor manual lift prevention, and coded remote copy-proof operation are confirmed. Installation handover documentation is completed.
DEPLOYMENT SCENARIOS & USE CASES
Madoors USA Steel Rolling Shutters are specified for any commercial, industrial, or residential opening requiring the highest available security and insulation performance in an automatic rolling shutter.
- Retail shop and store front security shutters
- Showcase and display window perforated security shutters
- Garage and vehicle workshop entrance rolling shutters
- Warehouse and storage facility security shutters
- Factory and industrial facility door and window shutters
- Villa and residential property security rolling shutters
- Bank and financial institution security shutters
- Pharmacy and healthcare premises security shutters
- Supermarket and grocery store facade shutters
- Office building and commercial premises window shutters
- Restaurant and hospitality premises security shutters
- School and educational facility security shutters
- Sports facility and leisure center rolling shutters
- Hotel and hospitality property service entrance shutters
- Any premises requiring 40 daN/m impact-resistant automatic steel security shutter
- Category: Sectional Doors & Rolling Shutters