Manufacturer of 
Quality Rolling Steel Doors

Made In USA

Specialty & High Security Overhead Doors

Alpine Overhead Doors manufactures specialty rolling doors for demanding and unique applications and environmental conditions. Alpine’s specialty coiling doors can be fully customized to suit your specific overhead door needs. Shown below are two of our popular specialty doors, and a unique custom door system is shown to the right. Contact us with your requirements for a specialty project.

Specialty Overhead Doors

Specialty Overhead Doors

Combination/Dual Curtain Door Mounted on Single Set of Wall Angles

Heavy Duty 6″ Curved Slat Non-Weather-Stripped Service Door

High Security Rolling Doors

Economical Security Doors

High Security Doors

Low Cost 4″ Curved Slat Box Spring Counter Balanced Rolling Security Door

Economical 4″ Curved Slat Torsion Spring Security Door

3″ Curved Slat Non-Weather-Stripped Service Door

2-3/4″ Flat Slat Service Door Weather Stripped Door

Maximum Security Doors

7/8″ Thick with 2-3/4″ slats and an R-Value of 8.01

15/16″ Thick with 3″ Dual Layer Interlock Slats and Dual Riot-Lock™ for Maximum Protection

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High Security Doors

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High Speed & Performance Rolling Doors

New! 2-3/4″ High Performance Roll Up Door

New! High Performance Insulated Roll Up Door

NEW! High Performance, High Speed Grille

Alpine’s Super-Imposed security gate (double doors) provides a unique method for getting the best of both worlds in one installation. The Super Imposed aviation doors are a rolling door and rolling grille combination fixed on a common bracket, making it perfect for applications with differing seasonal or security needs.

Alpine’s Dockport 6 doors feature heavy duty construction design. These coiling doors and rolling steel doors are ideal for use in factories, parking garages, harsh environments, airports, rolling loading docks, ferry loading dock doors, helicopter hanger doors and many other extreme and demanding applications.