Security grilles provide an array of attractive solutions for a spectrum of retail, commercial and industrial applications. Our side-folding grilles boast the shortest stacking dimension of any grille available today, and feature a handsome clear anodized finish (standard) in a variety of patterns and optional colors. We also offer a line of upward-coiling grilles. Constructed of aluminum, stainless or galvanized steel — with optional electric motor — these grilles are designed for durability and easy operation. Our comprehensive line of security grilles affords both reliability and peace of mind.
Advanced Performance Upward Coiling Security Grilles
Overhead Door’s security grilles provide an array of attractive solutions for a spectrum of retail, commercial and industrial applications. Our side-folding grilles boast the shortest stacking dimension of any grille available today, and feature a handsome clear anodized finish (standard) in a variety of patterns and optional colors. We also offer a line of upward-coiling grilles. Constructed of aluminum, stainless or galvanized steel — with optional electric motor — these grilles are designed for durability and easy operation. Our comprehensive line of security grilles affords both reliability and peace of mind.
FEATURES
- Standard Max Width: 30’4″ (9,246 mm)
- Standard Max Height: 14’4″ (4,369 mm)
- Max Total Area: 240 ft²*
- Curtain: Galvanized steel links and rods with mill aluminum spacer tube
- Curtain Pattern: Straight lattice 9″ center vertical links with 2″ center rod spacing
- Door Roll: Directly driven, springless steel tube roll with integral shafts, keyed on the drive end and supported by self-aligning grease-able sealed bearings
- Hood: 24 gauge black painted steel
- Guides: Three structural steel angles with PowderGuard®Premium finish with black powder coat
- Bottom Bar: Tubular extruded aluminum with mill finish
- Standard Mounting: Face of wall
- Motor: Direct drive, hypoid gear motor/brake assembly with manual hand crank. Opening speed 20 inches/second Voltage: 208VAC, 230VAC, 460VAC Phase: three phase Horsepower: ½, 1 and 2 Left or right hand mount
- Control Panel: NEMA 4X rated; variable frequency drive, self-diagnostics, built-in cycle counter, and timer to close
- Safety Features: Automatic drop stop device (brake), photoelectric sensors with commercial grade guards, 2-wire, electric fail-safe sensing edge, motor cover
- Limited Warranty: 60-month on motor; 24-month/300,000 cycles on door components
* Dependent upon the curtain material and pattern. Consult factory for sizes not listed above.
Upward Coiling Security Grilles
When your project calls for an upward coiling grille that is as versatile and attractive as it is rugged and secure, look no further than Model 670. These grilles provide an attractive yet functional means to secure areas where public access must be restricted, without blocking air, light or sight. A wide range of options make these grilles an ideal choice for interior or exterior use in a variety of retail, industrial and commercial settings.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Material / Finish: aluminum, mill finish
- Panel Width: straight lattice (standard);
staggered brick;
straight with polycarbonate panels - Bottom Bar: Extruded aluminum, mill finish
- Guide Type: Guide channels are extruded aluminum with continuous wear strips;
mill finish;
Wall angles and any pack-out angles are galvanized steel - Warranty: 12 month limited
- Mounting: Interior face of wall is standard
Between jamb options available - Brackets: Steel with black powdercoat finish
- Pipe: Steel sized for maximum deflection of .03” per linear foot
- Springs: Oil tempered, 20,000 cycle, torsion springs
- Locking: Slide bolt for manual and crank operation; chain lock for chain hoist operation
Upward Coiling Grille Model 671 offers a choice of curtain materials to meet the aesthetic and functional requirements of almost any environment. This security grille is fabricated of galvanized steel. Stainless steel and fire-retardant polycarbonate inserts are also options. The standard curtain pattern for this security grille is a straight lattice configuration, but you can opt for a staggered brick design.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Material / Finish: galvanized steel or optional stainless steel (2B or 4)
- Panel Width: straight lattice (standard);
staggered brick;
straight with polycarbonate panels - Bottom Bar: Double angle steel
- Guide Type: Guide channels are extruded aluminum with continuous wear strips;
mill finish;
Wall angles and any pack-out angles are galvanized steel - Warranty: 12 month limited
- Mounting: Interior face of wall is standard
Between jamb options available - Brackets: Steel with black powdercoat finish
- Pipe: Steel sized for maximum deflection of .03” per linear foot
- Springs: Steel sized for maximum deflection of .03” per linear foot
- Locking: Slide bolt for manual and crank operation; chain lock for chain hoist operation
Upward-coiling perforated grille (Model 674) provides an attractive yet functional means to secure areas where public access must be restricted. Perfect for interior applications such as retail, pharmacies and healthcare facilities, the perforated aluminum panels provide security without sacrificing visual access, air circulation or light infiltration.
Available in clear anodized or premium PowderGuard®powder coat finish and with an optional electric operator — our rolling grilles are well-suited to most any interior environment and application.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Material / Finish: aluminum, clear anodized
- Curtain: Perforated aluminum panels
- Bottom Bar: Clear anodized
- Guide Type: Guide channels are extruded aluminum with continuous wear strips;
clear anodized;
Wall angles and any pack-out angles are galvanized steel - Warranty: 12 month limited
- Mounting: Interior face of wall is standard
Between jamb options available - Brackets: Steel with black powdercoat finish
- Pipe: Steel sized for maximum deflection of .03” per linear foot
- Springs: Oil tempered, 20,000 cycle, torsion springs
- Locking: Center locking bottom bar, with 1/2” diameter steel throw rods; Comes standard with cylinder locks on both sides or thumb turn on secured side
Side-Folding Full Enclosure Security Grilles
Overhead Door’s side-folding full closure grilles are ideal for applications that require a secure barrier against theft and debris, such as retail applications in malls and airport concourses. The full closure side folding grille product line includes four panel materials: perforated steel, clear polycarbonate, tempered glass and aluminum.
Side Folding Full Enclosure Security Grilles Model 675 features painted perforated steel for full ventilation. Visibility: 51% of 4-3/4″ (121mm) viewable area.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Frame: Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick
- Panel Width: 7” (178 mm) standard body; 11 1/4” (298 mm) wide body
- Finish: Aluminum clear anodized
- Trolley Assembly: 1 1/8” (29 mm); vertical adjustment 1″ (25 mm) up/down without curtain removal
- Track Detail: Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm) - Track Curves and Radius: 90°: Standard body: 10” (254 mm) and 14” (356 mm) radius;
Wide body: 22” (559 mm) radius
120°, 135° and 150°; Standard body: 10” (254 mm) radius - Post Types: Lead post
Hook lock and wall channel; bi-part; top and bottom shoot bolts
Intermediate post
Bottom shoot bolt
Trailing end post
Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier - Locking Mechanisms: Lead post
Concealed cylinder-operated hook lock accessible from interior and exterior
Intermediate post
Concealed cylinder-operated shoot bolt accessible from one side only
Trailing end post
Attached 10’ max. (3048 mm) protection plate self-locking into a steel V-Stop - Warranty: 24 month OEM limited
Side Folding Full Enclosure Security Grilles Model 677 features clear fire-retardant polycarbonate for visual access and nonbreakable durability. Visibility: 100% of 4-3/4″ (121 mm) viewable area.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Frame: Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick
- Panel Width: 7” (178 mm) standard body; 11 1/4” (298 mm) wide body
- Finish: Aluminum clear anodized
- Trolley Assembly: 1 1/8” (29 mm); vertical adjustment 1″ (25 mm) up/down without curtain removal
- Track Detail: Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm) - Track Curves and Radius: 90°: Standard body: 10” (254 mm) and 14” (356 mm) radius; Wide body: 22” (559 mm) radius 120°, 135° and 150°; Standard body: 10” (254 mm) radius
- Post Types:Lead post
Hook lock and wall channel; bi-part; top and bottom shoot bolts
Intermediate post
Bottom shoot bolt
Trailing end post
Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier - Locking Mechanisms: Lead post
Concealed cylinder-operated hook lock accessible from interior and exterior
Intermediate post
Concealed cylinder-operated shoot bolt accessible from one side only
Trailing end post
Attached 10’ max. (3048 mm) protection plate self-locking into a steel V-Stop - Warranty: 24 month OEM limited
Side Folding Full Enclosure Security Grilles Model 678 features tempered glass for a crystal-clear view and high durability. Visibility: 100% of 4-3/4″ (121mm) viewable area.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Frame: Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick
- Panel Width: 7” (178 mm) standard body; 11 1/4” (298 mm) wide body
- Finish: Aluminum clear anodized
- Trolley Assembly: 1 1/8” (29 mm); vertical adjustment 1″ (25 mm) up/down without curtain removal
- Track Detail: Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm) - Track Curves: 90°: Standard body: 10” (254 mm) and 14” (356 mm) radius;
Wide body: 22” (559 mm) radius
120°, 135° and 150°; Standard body: 10” (254 mm) radius - Post Types: Lead post
Hook lock and wall channel; bi-part; top and bottom shoot bolts
Intermediate post
Bottom shoot bolt
Trailing end post
Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier - Locking Mechanisms: Lead post
Concealed cylinder-operated hook lock accessible from interior and exterior
Intermediate post
Concealed cylinder-operated shoot bolt accessible from one side only
Trailing end post
Attached 10’ max. (3048 mm) protection plate self-locking into a steel V-Stop - Warranty: 24 month OEM limited
Side Folding Full Enclosure Security Grilles Model 679 features a full-height, solid aluminum panel for maximum security. 6-5/16″ standard-width panels constructed of full-height, solid aluminum that slides into aluminum hinges. Visibility: 0%
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Frame: Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick
- Panel Width: 7” (178 mm) standard body; 11 1/4” (298 mm) wide body
- Finish: Aluminum clear anodized
- Trolley Assembly: 1 1/8” (29 mm); vertical adjustment 1″ (25 mm) up/down without curtain removal
- Track Detail: Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm) - Track Curves: 90°: Standard body: 10” (254 mm) and 14” (356 mm) radius;
Wide body: 22” (559 mm) radius
120°, 135° and 150°; Standard body: 10” (254 mm) radius - Post Types: Lead post
Hook lock and wall channel; bi-part; top and bottom shoot bolts
Intermediate post
Bottom shoot bolt
Trailing end post
Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier - Locking Mechanisms: Lead post
Concealed cylinder-operated hook lock accessible from interior and exterior
Intermediate post
Concealed cylinder-operated shoot bolt accessible from one side only
Trailing end post
Attached 10’ max. (3048 mm) protection plate self-locking into a steel V-Stop - Warranty: 24 month OEM limited
Side-Folding Open Air Security Grilles
For applications when security is a priority, but you want to maximize air circulation, light infiltration and visual access to interior spaces. Short on the space required for installation, but long on handsome good looks, these grilles secure premises and guard against theft and debris with superior compactness and nearly endless design possibilities.
Open-air side-folding grilles provide security, while allowing air circulation and full visual access to interior spaces. This security grille offers a wide range of features to fit most any application where an open-air grille satisfies security requirements, such as in retail environments, malls, schools, offices and airports.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Frame: Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick
- Panel Width: 7” (178 mm) standard body; 11 1/4” (286 mm) wide body
- Finish: Aluminum clear anodized
- Trolley Assembly: 1 1/8” (29 mm)
- Track Detail: Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm) - Track Curves and Radius: 90°: Wide body: 22” (559 mm) radius
120°, 135° and 150° - Post Types: Lead post
Hook lock and wall channel; bi-part; top and bottom shoot bolts
Intermediate post
Bottom shoot bolt
Trailing end post
Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier - Locking Mechanisms: Lead post
Concealed cylinder-operated hook lock accessible from interior and exterior
Intermediate post
Concealed cylinder-operated shoot bolt accessible from one side only
Trailing end post
Attached 10’ max. (3048 mm) protection plate self-locking into a steel V-Stop - Warranty: 24 month OEM limited
When security is a priority, but you want to maximize air circulation, light infiltration and visual access to interior spaces, the Model 683 side folding open air grille is an ideal choice. Open-air side-folding grilles provide security, while allowing air circulation and full visual access to interior spaces. Model 683 offers a wide range of features to fit most any application where an open-air grille satisfies security requirements, such as in retail environments, malls, schools, offices and airports. The product line is distinguished by a variety of curtain patterns, colors and finishes.
FEATURES
- Operation: Manual unless size requires chain hoist
- Curtain Frame: Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick
- Panel Width: 7” (178 mm) standard body; 11 1/4” (286 mm) wide body
- Finish: Aluminum clear anodized
- Trolley Assembly: 1 1/8” (29 mm)
- Track Detail: Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm) - Track Curves: 90°: Standard body: 10” (254 mm) and 14” (356 mm) radius;
Wide body: 22” (559 mm) radius 120°, 135° and 150°; Standard body: 10” (254 mm) radius - Radius: 14” (356 mm) standard body 22” (559 mm) wide body. Custom upon request
- Post Types: Lead post
Hook lock and wall channel; bi-part; top and bottom shoot bolts
Intermediate post
Bottom shoot bolt
Trailing end post
Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier - Locking Mechanisms: Lead post
Concealed cylinder-operated hook lock accessible from interior and exterior
Intermediate post
Concealed cylinder-operated shoot bolt accessible from one side only
Trailing end post
Attached 10’ max. (3048 mm) protection plate self-locking into a steel V-Stop - Security / Safety Options: Thumb-turn guards and protection bars
- Warranty: 24 month OEM limited