Licensed & Insured California Contractor — CSLB #1025448

Commercial & Industrial Door Services

Installation, service, repair, replacement, automation, and preventative maintenance of commercial and industrial door, access, and loading dock systems across Sacramento and Northern California.

Request Service (833) 424-3667

Installation
Service
Repair
Replacement
Automation
Preventative Maintenance

Commercial & Industrial Door • Automation • Loading Dock Solutions

Guardian Door LLC provides comprehensive commercial and industrial solutions for roll-up doors, rolling steel doors, security grilles, sectional overhead doors, high-speed doors, hollow metal doors, storefront entrances, automatic doors, parking garage systems, commercial operators, gate operators, barrier arms, dock levelers, and loading dock equipment. We are commercial only — no residential garage doors — and we serve property managers, facility teams, retail centers, warehouses, medical buildings, and general contractors.

Rolling & Overhead Doors

Roll-up, rolling steel, grilles, sectional, parking, and high-speed doors.

Roll-Up Sheet Doors

Commercial sheet doors — curtains, guides, springs, bottom bars, weather seals, chain hoists, and motor operators installed, repaired, and replaced.

Rolling Steel Service Doors

Heavy-duty rolling steel doors — insulated, slat, high-cycle, chain-hoist, and motorized doors installed and serviced with replacement components.

Rolling Steel Security Grilles

Manual and motorized rolling security grilles for storefronts, parking structures, commercial facilities, and secured access openings.

Commercial Sectional Overhead Doors

Steel, insulated, full-view aluminum, standard-lift, high-lift, and vertical-lift commercial sectional doors installed and serviced.

Parking Garage Doors & Grilles

High-cycle rolling doors, grilles, sectional doors, operators, controls, and vehicle access equipment for parking structures and multifamily properties.

High-Speed Doors

High-speed fabric, rubber, and rigid door systems for warehouses, distribution centers, manufacturing, and other high-traffic environments.

Entrances & Automatic Doors

Hollow metal, storefront, automatic sliding, and ADA swing door systems.

Hollow Metal Doors & Frames

Hollow metal doors, welded and knock-down frames, fire-rated assemblies, security doors, hinges, closers, exit devices, locksets, and thresholds.

Aluminum Storefront Doors & Entrances

Aluminum entrance doors, storefront framing, glass, pivots, hinges, closers, panic hardware, locks, thresholds, and complete entrance replacement.

Automatic Sliding Doors

Single-slide, bi-parting, and telescoping automatic sliding entrances — operators, sensors, controls, and safety devices installed and serviced.

Automatic Swing Doors & ADA Operators

Automatic and low-energy swing door systems — ADA operators, push plates, touchless activation, wireless controls, sensors, and safety equipment.

Operators, Gates & Loading Dock

Door and gate operators, barrier arms, and dock levelers.

Commercial Door Operators

Rolling door, sectional door, jackshaft, hoist, trolley, high-cycle, and automatic sliding and swing door operators installed, repaired, and replaced.

Commercial Gate Operators & Automation

Operators and automation for existing commercial swing and slide gates — controls, safety devices, vehicle loops, photo eyes, edges, keypads, remotes, and access control.

Barrier Arm Gates

Commercial barrier arm systems — high-cycle operators, arms, vehicle loops, photo eyes, safety equipment, controls, keypads, card readers, remotes, and access control.

Dock Levelers & Loading Dock Equipment

Mechanical, hydraulic, air-powered, and edge-of-dock levelers — plus bumpers, seals, shelters, vehicle restraints, controls, and hydraulic components.

Repair & Maintenance

Troubleshooting, automation repair, and scheduled maintenance programs.

Commercial Door Repair & Service

Broken springs, damaged tracks and guides, rolling door curtains, hardware failures, alignment issues, vehicle-impact damage, and doors that won't open or close.

Operator & Automation Repair

Troubleshooting of door operators, gate operators, barrier arms, motors, control boards, sensors, activation equipment, safety systems, and access components.

Preventative Maintenance Programs

Scheduled inspection, adjustment, lubrication, and safety testing of commercial doors, automated entrances, rolling doors, gate operators, barrier arms, and loading dock equipment.

Where We Work

Every service above is available to commercial and industrial properties within about 100 miles of Sacramento — the greater Sacramento region, the Central Valley from Chico to Modesto, the Sierra foothills, and the East Bay.

See every city we serve

Not sure which service you need?

Describe what the door, gate, or dock is doing and we'll tell you what it takes to fix it — no runaround.

Request Service (833) 424-3667