Solid LLC
Hollow Metal Steel Doors

Versatile Hollow Metal Steel Doors for Commercial & Administrative Buildings

Manufacturing, supplying and installing general-purpose steel doors for commercial and administrative projects, with finishes configured to each project's requirements — without a specific fire or security rating.

ASTM A526 / A653ANSI/SDI A250
Project intake

Start with your project specifications

Share the project essentials and our technical team will review the requirements and recommend the right door system.

01Versatile general-purpose steel doors
02Finishes and colors per project request
03Professional supply and installation
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Get a Project Quote

Our technical team will review your project and get back to you

Project brief
01
02
Specialized manufacturing
Project-specific solutions
Supply & installation
Technical support
Integrated hardware
Documented certifications & tests
Solid / engineered openings

Why Hollow Metal Doors from Solid?

Reliable steel solutions for every commercial and administrative space

01

Versatile Use

Suited to offices, corridors, and commercial buildings of all kinds.

02

Multiple Finishes & Colors

Finish options that match each project's visual identity.

03

Durable Steel Structure

Manufactured to industrial standards built for daily use.

04

Integrated Supply & Installation

A technical team following the project from manufacturing to handover.

05

Custom Sizing

Manufactured to custom dimensions matching project openings.

06

Upgradeable

Can later be fitted to a fire or security specification if needed.

Solid / engineered openings

Hollow Metal Door Types

A range of general-purpose steel solutions for commercial and administrative projects

Regent — Standard Hollow Metal Door01

Regent — Standard Hollow Metal Door

A standard hollow metal door with 20, 18, 16, or 14-gauge steel face sheets and a full honeycomb core, delivering exceptionally flat surfaces with high structural impact resistance.

Use: offices, corridors, commercial buildings

Legion — Hollow Metal Door with Polystyrene Core02

Legion — Hollow Metal Door with Polystyrene Core

A hollow metal door with a polystyrene core for excellent energy efficiency and impact resistance, manufactured with mechanically interlocked hemmed vertical edges or continuous stitch-welded seamless edges for added rigidity.

Use: commercial and administrative buildings

Trio — Steel-Stiffened Laminated Core Door03

Trio — Steel-Stiffened Laminated Core Door

A door with a vertically steel-stiffened laminated core and fiberglass insulation between the stiffeners, available in full flush or seamless styles, in 18-, 16-, or 14-gauge steel face sheets, 1¾" thick.

Use: high-traffic commercial and industrial buildings

Trio-E — Energy-Efficient Steel-Stiffened Door04

Trio-E — Energy-Efficient Steel-Stiffened Door

A steel-stiffened door achieving an industry-leading U-Factor of 0.34 with a Mercury 3 thermal-break frame, free of vertical weld marks on the face for a clean gloss-paint finish, and hurricane rated up to ±100 psf.

Use: exterior entrances requiring energy savings

Imperial with QMAX Thermally Enhanced Core05

Imperial with QMAX Thermally Enhanced Core

A thermally enhanced core for the Imperial (IQ) door series, achieving a 25% improved thermal rating (U-value 0.32) over standard polyurethane cores in a Mercury 3 thermal-break frame, reducing building energy costs.

Use: energy-efficient exterior entrances

High Definition Embossed Panel Doors06

High Definition Embossed Panel Doors

1- and 2-panel hollow metal doors with high-definition embossing, featuring a sharp panel radius and enhanced shadow detail for a sophisticated look suited to upscale residential and hospitality settings.

Use: hotels, upscale residential buildings, office buildings

Applied Moldings07

Applied Moldings

Decorative moldings factory-applied to one or both faces of a flush door for a custom, upscale look — also used to give specialty doors like bullet-resistant units a decorative appearance. Layouts are fully customizable.

Use: entrances requiring a custom decorative look

ColorStyle Factory Prefinish08

ColorStyle Factory Prefinish

A factory-applied prefinish for doors and frames using durable PPG SPECTRACRON® coating, applied in a controlled environment for a flat, blemish-free surface, with style and color options to suit any architectural setting.

Use: projects requiring a consistent, high-quality finish

Factory Installed Glazing09

Factory Installed Glazing

Factory-installed glazing ensures the correct rated glass and glazing material is used to meet the latest fire and safety building codes, saving on-site installation time on tight construction schedules.

Use: projects needing faster turnaround and guaranteed code compliance

Stainless Steel Openings10

Stainless Steel Openings

Sleek stainless steel doors and frames offering corrosion resistance, ideal for cleanroom environments and areas prone to moisture, while providing an added level of safety and security.

Use: cleanrooms, food and pharma facilities, moisture-prone environments

Thrulite Stile & Rail Entrance Doors11

Thrulite Stile & Rail Entrance Doors

Entrance doors with an insulated tubular stile-and-rail construction in heavy-duty 16-gauge steel and continuously welded corners, for the best in ruggedness, versatility, and functionality.

Use: main commercial entrances

Medallion — Steel-Stiffened Insulated Door12

Medallion — Steel-Stiffened Insulated Door

A steel-stiffened hollow metal door with fiberglass insulation to limit thermal and sound transmission, rated for heavy-duty to maximum-duty applications.

Use: high-traffic industrial and commercial buildings

Technical library

Technical Specifications

Industry reference ranges — final certified values are confirmed after a technical project review

Frame TypeKnock-down or welded steel frames, 150mm standard jamb depth, up to 350mm on request
Sheet Thickness1.25 mm to 2 mm (Gauge 18–14)
Door Thickness44.5 mm (1¾") or 50.8 mm (2")
Core Fill TypeHoneycomb or rigid core depending on use
Finishes & ColorsPer project request
Hinges & LocksCompatible with standard hinge and lock systems
Non-Standard SizesPer technical project review
Solid / engineered openings

Certifications & Test Reports

Certificates and test reports are published once scope and applicability to the shown products are verified

ASTM A526 / A653ANSI/SDI A250

Hollow metal doors are manufactured following standard industry practices for steel sheet and metal framing

Certificate details pending verification
Built environments

Sectors & Applications

Door systems tuned to each environment's traffic, safety requirements and required level of protection.

Hospitals
SECTOR / 01

Hospitals

Hotels
SECTOR / 02

Hotels

Schools & Universities
SECTOR / 03

Schools & Universities

Factories
SECTOR / 04

Factories

Industrial Facilities
SECTOR / 05

Industrial Facilities

06
Commercial Buildings
07
Administrative Buildings
08
Malls
09
Stairwells
10
Emergency Exits
11
Government Facilities
12
Warehouses
13
Utility Rooms
Workflow / delivery

How We Work

01

Requirements & BOQ

Receive project specifications or BOQ.

02

Technical Review

Review specifications to confirm project fit.

03

Proposal

Propose the right solution and issue a quote.

04

Manufacturing

Manufacture doors and hardware to approved specs.

05

Supply & Installation

Deliver, install and hand over the project.

Solid / engineered openings

Hollow Metal Door Projects

Real project case studies are being prepared and will be published once documented photos and data are available

[Real project photo]

Tested / documented

Manufactured and Tested to the Following Standards

ASTM A526 / A653ANSI/SDI A250

In-House Manufacturing

Dedicated lines for steel sheet forming, core fill, and final assembly under direct technical supervision.

Engineered per Project

Every door is sized and specified to the project's requirements, not a fixed catalog item.

Installation & Handover

An installation team follows the project on site from supply through final handover.

Questions / answers

Frequently Asked Questions

Hollow metal doors are general-purpose steel solutions without a specific fire or security rating, while fire-rated and armored doors carry additional specifications and requirements.

This depends on the required specification — it's best to define the needed rating from the start of the project to ensure appropriate manufacturing.

Yes, doors are manufactured to each project's dimensions and requirements after technical review.

Yes, we offer supply and installation depending on project scope.

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Need General-Purpose Steel Doors for Your Project?

Send your project specifications, and our technical team will review your requirements and prepare the appropriate solution.

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