• A row of five large, closed Model 418 sectional steel doors numbered 23 to 27 on a modern industrial building with a gray metal facade, white walls, and yellow safety bollards in front.
  • A brown building with three large closed white sectional steel doors, each featuring a row of small windows near the bottom. There are lights above each door, and trees are visible in the background.

Sectional Steel Door Model 418

Rolling Security Shutters

Model 418

Comprehensive line of sectional steel and insulated steel doors.

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Overview of the sectional steel door model 418

When your project requires a solid sectional steel door system that will hold up to heavy use, rough handling and extreme conditions look to Overhead Door™ 418 to pack an extra measure of toughness. Fabricated of 16-gauge, flush galvanized steel exterior and 26-gauge steel back cover, these 2″ (51 mm) thick doors offer an R-value of 7.35 (1.29 W/m2). A wide array of options allow these doors to meet the most stringent project requirements that call for a degree of thermal efficiency.

A simple black and white line drawing of a bicycle, shown from the side. The illustration clearly displays the wheels, frame, handlebars, seat, pedals, and chain.

Wide array of 
stained and painted finishes

A person sits cross-legged on the floor meditating, with hands resting on their knees. A large clock is behind them, symbolizing mindfulness and taking time to meditate. The background is blank.

Wood-grain
texture

A stick figure sitting at a desk raises its arms in frustration while looking at a computer monitor, with a slanted desk lamp overhead.

Customize with windows and hardware

A person in a wheelchair is depicted ascending a flight of stairs using a stair lift, illustrating accessibility solutions for individuals with mobility impairments.

Superior thermal performance

A black cat sits on a windowsill, looking outside. Sunlight streams through the window, casting a warm glow on the cat’s fur and the surrounding area. Lush green trees can be seen outside the window.

Superior 
durability

A silhouette of a person with their head resting on their hand, appearing thoughtful or contemplative.

Wind load options
upon request

Construction

Product Specifications

Insulation Type:Expanded polystyrene
MaterialSteel
R Value
7.35 (1.29 W/m2)
Max Width
30’2″ (9144 mm)

Get inspired

Explore our photo galleries to get inspired for your new residential or commercial door.

SEE GALLERY
View through large windows of a fire station showing several red fire trucks parked in a well-lit garage, with equipment and tools visible in the background.
A modern building with large glass garage doors labeled SERVICE above the entrance, likely a service center or auto repair shop, with a paved sidewalk in front.
Interior of an industrial facility with metal tracks running down the center, surrounded by machinery, tools, and workbenches. A large yellow crane is mounted overhead, and the space is brightly lit with high ceilings.
A suburban house with a decorative double garage door, surrounded by landscaped bushes, colorful flowers, and trimmed shrubs. The driveway is paved, and the house features tan siding with brick accents.
A modern house exterior with stone walls, a wooden garage door featuring rectangular windows, a balcony with a metal railing, and stairs on either side leading to the entrance.
Modern house with stone and wood siding, large windows, two gray garage doors, and a spacious driveway under a partly cloudy sky.
Modern white two-story house with black-framed windows, wooden accents, and a metal roof. There is a three-car garage with glass doors and a landscaped front yard with small trees and bushes under a clear blue sky.
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