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Exterior Commercial Door Installation
Exterior commercial doors protect buildings from weather, unauthorized
entry, energy loss, and daily wear. A successful installation requires more
than choosing a replacement door. The frame, wall, threshold, hinges,
closer, lock, seals, glazing, access-control hardware, and surrounding
opening must all work together.
Automatic Door Doctors installs and replaces exterior commercial doors for
offices, warehouses, retail stores, schools, medical facilities, apartment
buildings, restaurants, service areas, and other commercial properties.
This guide explains what property managers and business owners should
consider before beginning an exterior door project.
The Entire Opening Should Be Evaluated
An exterior commercial door is part of a complete opening that includes the
door, frame, hinges, closer, lock, strike, threshold, weather seals, glazing,
wall, and surrounding construction. Replacing only the door slab without
evaluating these components can leave existing problems unresolved.
The right solution depends on how the entrance is used, how often it operates,
whether it is exposed to wind or weather, what level of security is needed,
and whether the opening includes automatic operation, panic hardware, access
control, or fire-rated components.
affected by a bent frame, worn hinges, a loose threshold, closer problems,
building movement, or improper hardware.
Exterior Commercial Door Options
Hollow metal doors
Hollow metal doors are commonly used for warehouses, service entrances,
mechanical rooms, schools, offices, and other high-use exterior openings.
Aluminum storefront doors
Aluminum and glass doors provide visibility and a professional appearance
for retail stores, offices, restaurants, and customer entrances.
Full-glass entrance doors
Glass entrance doors can provide an open appearance while working with
commercial pivots, closers, locks, rails, and access-control hardware.
Fire-rated exterior doors
Some exterior openings require labeled doors, frames, glazing, and
hardware that operate together as a fire-rated assembly.
Security doors
Security-focused openings may use reinforced doors, heavier frames,
commercial locks, continuous hinges, and controlled-access equipment.
Automatic and ADA doors
Exterior entrances may include automatic operators, push buttons, wave
plates, sensors, electric locks, and card readers.
What Should Be Inspected Before Ordering?
Accurate measurements are only one part of exterior door planning. The
condition and function of the complete opening should be reviewed before the
door, frame, and hardware are selected.
| ✓ | Measure the door, frame, rough opening, and wall thickness. |
| ✓ | Confirm the door swing, handing, and direction of travel. |
| ✓ | Inspect the frame for rust, movement, damage, or poor anchoring. |
| ✓ | Check the surrounding wall and floor for deterioration or movement. |
| ✓ | Evaluate hinges, pivots, continuous hinges, and reinforcement. |
| ✓ | Inspect the closer, lock, latch, strike, and panic hardware. |
| ✓ | Review thresholds, sweeps, weather seals, and drainage conditions. |
| ✓ | Identify access control, alarms, operators, and automatic-door equipment. |
| ✓ | Determine whether the opening has fire-rating or emergency-exit requirements. |
Plan for Wind, Rain, Snow, and Temperature Changes
Exterior commercial doors are exposed to conditions that interior doors do
not face. Wind, moisture, sunlight, freezing temperatures, snow, ice, and
temperature changes can affect door movement, hardware, finishes, seals, and
closing performance.
Perimeter weather seals
Proper gasketing can reduce drafts, light, moisture, dust, and air leakage
around the sides and top of the door.
Door sweeps
A properly selected sweep can help close the gap between the bottom of the
door and the threshold without preventing smooth operation.
Thresholds
The threshold should coordinate with the door bottom, flooring, drainage,
accessibility needs, and surrounding exterior surface.
Rain protection
Overhangs, drip caps, flashing, sealants, and drainage conditions can help
prevent water from entering around the opening.
Wind exposure
Strong wind can affect door control, closer selection, hinges, stops,
automatic operators, and the safety of people using the entrance.
Corrosion resistance
Exterior doors and hardware should be selected with moisture, deicing
chemicals, weather exposure, and maintenance conditions in mind.
prevent the door from closing and latching reliably.
The Frame Must Support the Door
A replacement door cannot perform properly in a damaged, loose, spread, or
poorly anchored frame. Exterior frames must support the weight of the door,
resist daily use, hold the hardware securely, and remain properly aligned.
| ✓ | Inspect the frame for rust, cracks, dents, twisting, or separation. |
| ✓ | Check whether the frame moves when the door opens or closes. |
| ✓ | Review anchors and attachment points to the wall. |
| ✓ | Inspect hinge and strike reinforcement inside the frame. |
| ✓ | Check whether old hardware cutouts have weakened the frame. |
| ✓ | Confirm that the frame remains square and properly aligned. |
extensive corrosion, movement, damage, or poor anchoring may make complete
frame replacement the better long-term solution.
Protect the Exterior Opening
Exterior doors are often a building’s first line of defense against
unauthorized entry. Security depends on the coordination of the door, frame,
hinges, lock, strike, glazing, closer, and access-control system.
Commercial locksets
Cylindrical and mortise locks are available in different functions,
grades, finishes, and credential options.
Deadbolts
Deadbolts may improve after-hours security on appropriate openings but
should not interfere with required exit operation.
Panic hardware
Exterior exit doors may use panic or fire-exit hardware that allows
occupants to exit while helping secure the door from the exterior.
Electric strikes
Electric strikes can work with card readers, keypads, intercoms, and other
controlled-entry equipment.
Electrified locks
Electrified locksets or exit devices may provide controlled access while
maintaining the mechanical function of the opening.
Continuous hinges
A continuous hinge can help support worn, heavy, or high-use exterior
doors and distribute the door’s weight along the frame.
The Door Must Close and Latch Reliably
An exterior door that remains partially open can allow weather, unauthorized
entry, pests, and energy loss. The closer should control the door and provide
enough final movement for the latch to engage.
| ✓ | Select a closer appropriate for the door’s size, weight, and use. |
| ✓ | Evaluate wind and building-pressure conditions. |
| ✓ | Confirm that the closer mounting area is properly reinforced. |
| ✓ | Adjust closing speed without creating a slamming hazard. |
| ✓ | Confirm that the latch engages without pushing the door closed. |
| ✓ | Coordinate closing force with accessibility needs. |
Plan Accessible Exterior Entrances
Exterior entrances may include automatic operators, push buttons, wave plates,
card readers, electric locks, and request-to-exit devices. These components
should be planned as one complete system.
The physical door must operate smoothly before automatic equipment is added.
A door that drags, binds, sags, or fails to latch can cause incomplete cycles
and repeated operator problems.
| ✓ | Evaluate the clear opening and available maneuvering space. |
| ✓ | Inspect the threshold and transition between interior and exterior surfaces. |
| ✓ | Review manual opening resistance and closer operation. |
| ✓ | Coordinate automatic operators with locks and access control. |
| ✓ | Plan push-button, wave-plate, and card-reader locations. |
| ✓ | Confirm that the door closes, latches, and resecures after each cycle. |
Exterior Aluminum and Glass Door Installation
Storefront entrances require careful coordination between the aluminum door,
frame, pivots, closer, lock, glazing, threshold, and surrounding storefront
system. Damage or movement in one component can affect the entire opening.
Pivots and hinges
Worn pivots or hinges can cause the door to sag, drag, rub, or fail to
align with the lock and strike.
Concealed closers
Floor and overhead concealed closers should be evaluated for leakage,
control, alignment, and compatibility with the door.
Narrow-stile locks
Storefront locks and electric strikes require accurate alignment and
properly prepared aluminum framing.
Glass and glazing
Glass type, thickness, stops, gaskets, rails, and surrounding conditions
should be evaluated during replacement planning.
Thresholds and sweeps
Storefront thresholds and door bottoms should reduce weather exposure
without interfering with movement.
Access control
Readers, electric locks, request-to-exit devices, and automatic operators
should be coordinated with the storefront system.
Some Exterior Doors Require Rated Components
When an exterior opening is fire-rated, the door, frame, glazing, hinges,
closer, latch, seals, and other hardware may all contribute to the performance
of the complete assembly.
| ✓ | Look for labels on the existing door and frame. |
| ✓ | Photograph labels before removing existing components. |
| ✓ | Select compatible door, frame, glazing, and hardware components. |
| ✓ | Confirm that the door closes and latches without assistance. |
| ✓ | Avoid unauthorized drilling, cutting, welding, or field modifications. |
| ✓ | Coordinate access control and automatic operation with the rated opening. |
When Should an Exterior Door Be Replaced?
Not every poorly operating exterior door requires complete replacement.
Hinges, closers, locks, strikes, thresholds, seals, or access-control
components may be repairable.
Replacement may be the better long-term choice when the door or frame is badly
damaged, corroded, structurally weakened, incompatible with the required
hardware, or repeatedly failing despite previous repairs.
| ✓ | The door is bent, twisted, cracked, rusted, or delaminating. |
| ✓ | The frame is loose, spread, corroded, damaged, or poorly anchored. |
| ✓ | The opening has extensive abandoned or damaged hardware cutouts. |
| ✓ | Water or air leakage continues despite reasonable repairs. |
| ✓ | The existing door cannot support the desired security hardware. |
| ✓ | Repeated service costs are approaching the cost of replacement. |
consider repair cost, replacement cost, expected service life, security,
weather resistance, accessibility, and future maintenance.
What to Expect During Exterior Door Installation
1. Site evaluation
The door, frame, wall, threshold, hardware, weather exposure, security,
and accessibility needs are reviewed.
2. Detailed measurements
Door size, frame dimensions, swing, handing, wall thickness, hinge
locations, and hardware preparations are documented.
3. Material selection
The door, frame, hinges, closer, lock, threshold, seals, glazing, and
electronic hardware are selected as a coordinated system.
4. Removal and preparation
Existing components are removed as necessary, and the wall, floor,
threshold, wiring, and surrounding opening are prepared.
5. Installation and adjustment
The frame, door, hardware, seals, glazing, automatic equipment, and access
control are installed and adjusted.
6. Final testing
The opening is tested for smooth movement, closing, latching, locking,
weather sealing, accessibility, and connected-system operation.
What Should Be Checked After Installation?
| ✓ | The frame is secure, square, properly anchored, and sealed. |
| ✓ | The door swings smoothly without rubbing, dragging, or binding. |
| ✓ | Hinges, pivots, and fasteners support the door properly. |
| ✓ | The closer controls the door without slamming or stopping short. |
| ✓ | The latch, lock, strike, and panic hardware align correctly. |
| ✓ | The threshold, sweep, and weather seals do not interfere with movement. |
| ✓ | The opening is checked for visible light, drafts, and water-entry concerns. |
| ✓ | Keys, cards, codes, readers, and release devices work as intended. |
| ✓ | Automatic operators complete their full opening and closing cycles. |
| ✓ | The door closes, latches, and resecures without assistance. |
Protect Your Exterior Door Investment
Exterior doors should be inspected regularly because weather, traffic,
corrosion, impact, building movement, and hardware wear can change how the
opening operates.
| ✓ | Confirm that the door closes and latches without assistance. |
| ✓ | Watch for sagging, rubbing, dragging, or changing clearances. |
| ✓ | Inspect hinges, pivots, closer arms, locks, and fasteners. |
| ✓ | Check thresholds, sweeps, and weather seals for damage or movement. |
| ✓ | Look for rust, paint failure, water damage, and corrosion. |
| ✓ | Test panic hardware, access control, and automatic operation. |
| ✓ | Schedule service promptly when the opening no longer secures reliably. |
How Property Managers Can Prepare
| ✓ | Provide access to both sides of the opening. |
| ✓ | Remove furniture, merchandise, vehicles, and obstructions from the work area. |
| ✓ | Provide available plans, door schedules, and inspection reports. |
| ✓ | Identify keys, cards, codes, alarms, and access-control equipment. |
| ✓ | Notify employees, tenants, customers, and security personnel. |
| ✓ | Plan an alternate entrance while the opening is unavailable. |
| ✓ | Arrange an accessible route when the primary entrance is closed. |
| ✓ | Plan how the building will remain secure during installation. |
Exterior Commercial Door Installation FAQs
What is the best exterior commercial door?
The best choice depends on the building, wall, traffic, weather exposure,
security, appearance, hardware, and accessibility needs.
Can the existing frame be reused?
Sometimes. The frame should be secure, properly anchored, correctly sized,
and compatible with the new door and hardware.
Can only the door slab be replaced?
In some openings, yes. The existing frame, hinges, hardware locations, and
clearances must be evaluated carefully.
Why does the exterior door leak air?
Common causes include damaged seals, poor alignment, frame movement,
threshold problems, door damage, or incomplete closing.
Why does the door not latch?
Hinge wear, frame movement, closer problems, weather seals, wind, floor
contact, or strike misalignment may prevent latching.
Can access control be added?
Many exterior doors can be equipped with electric locks, card readers,
keypads, intercoms, and door-monitoring equipment.
Can an ADA opener be installed?
In many cases, yes. The door, frame, lock, closer, operator, activation
devices, and threshold must be coordinated.
Can a security door have glass?
Yes, depending on the door and opening. Glazing should be selected for
visibility, safety, weather exposure, security, and compatibility.
When should the entire opening be replaced?
Complete replacement may be appropriate when both the door and frame are
damaged, corroded, misaligned, or incompatible with the required hardware.
Information That Helps With Installation Planning
| ✓ | Building address and location of the opening |
| ✓ | Single door, pair of doors, or storefront entrance |
| ✓ | Approximate door width and height |
| ✓ | Photos of the door, frame, hinges, closer, threshold, and lock |
| ✓ | Description of the current problem or installation goal |
| ✓ | Weather exposure, wind, drainage, or water-entry concerns |
| ✓ | Existing panic hardware, deadbolts, locks, or access control |
| ✓ | Automatic-door or ADA accessibility requirements |
| ✓ | Fire-rated or emergency-exit requirements |
| ✓ | Building-access restrictions and preferred work schedule |
| ✓ | Upcoming inspection, occupancy, or construction deadline |
including close-up images of the frame, hinges, closer, lock, strike, panic
hardware, threshold, weather seals, glazing, access-control equipment, and
damaged areas.
Call Automatic Door Doctors
Automatic Door Doctors installs, replaces, repairs, and services exterior
commercial doors, hollow metal doors, steel doors, storefront doors, aluminum
glass doors, fire-rated doors, security doors, frames, continuous hinges,
door closers, locks, panic hardware, thresholds, weather seals, electric
strikes, electrified locks, automatic doors, ADA door openers, and
access-control-related hardware.
Our team can evaluate the complete exterior opening, identify damaged or
incompatible components, and recommend a coordinated door, frame, hardware,
weather-protection, and access-control solution for your commercial property.
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(303) 500-6105
Denver, CO