Office Steel Door | EUWOO
Commercial office steel door — flush face, fine powder finish, mortise lock and closer ready, built for the environments where appearance and function both matter.
Sourced factory-direct from EUWOO's 18,000 m² facility in Henan, China. Every unit inspected 100% before shipment. CE and ISO 9001:2015 certified. MOQ from 50 units.
What Makes an Office Steel Door Different from the Rest of Our Line
The office steel door sits in a specific position in our product range — it's not the heaviest door we make, and it's not the lightest. It's the one where the finish quality and hardware integration matter as much as the structural spec.
Walk through a warehouse door and nobody notices the surface. Walk through an office door and the first thing a visitor sees is the face of that door — the flatness of the panel, the consistency of the color, the way the hardware sits flush. That's the environment this door is built for: commercial office buildings, corporate interiors, institutional corridors, and any project where the door is visible to end users who have opinions about what they're looking at.
The construction is 1.0–1.2mm SPCC cold-rolled steel body, flush face profile, with a honeycomb or mineral wool core depending on acoustic requirements. What separates this from our standard interior steel door is the finish specification and the hardware prep: the powder coat surface on office doors runs through an additional surface inspection pass for orange peel and gloss consistency, and every door comes pre-drilled and reinforced for mortise lock and door closer installation.
We added the closer reinforcement plate as standard after several buyers reported that field-installed reinforcement plates were creating visible surface distortion on the face side — factory-installed is cleaner and faster for the installer.
For distributors and contractors supplying commercial office fit-outs, this is the SKU that covers the bulk of interior door requirements — private offices, meeting rooms, corridor access points, and utility room entries where the aesthetic standard of the office environment needs to be maintained.
Extra Finish Inspection
Additional pass for orange peel and gloss consistency — not standard on warehouse or industrial lines.
Factory Hardware Prep
Mortise lock cutout and closer reinforcement plate installed at factory — no field distortion risk.
Dual Core Options
Honeycomb standard; mineral wool upgrade for acoustic-sensitive meeting rooms and corridors.
60+ RAL Colors
Standard palette covers most project specs; custom colors available on runs of 100+ units.
Technical Specifications
Industry-standard values for this product type. Actual specifications may vary by configuration — contact us for a detailed product data sheet.
| Body material | SPCC cold-rolled steel (Q235) |
| Body gauge | 1.0mm standard; 1.2mm available |
| Door leaf thickness | 45mm standard; 50mm available |
| Core options | Honeycomb paper (standard); mineral wool (acoustic upgrade) |
| Frame material | Cold-rolled steel, 1.5mm |
| Frame profile | 100–120mm wall depth (standard); custom depth available |
| Single leaf (standard) | W700–1000mm × H2000–2400mm |
| Double leaf | W1200–2000mm × H2000–2400mm |
| Finish type | Powder coat, 60–80μm film thickness |
| Gloss level | Semi-gloss standard; matte and high-gloss available |
| Color options | 60+ standard RAL colors; custom on runs ≥100 units |
| Hardware prep | Mortise lock cutout + reinforcement plate (standard) |
| Closer prep | Door closer reinforcement plate (standard) |
| Hinge configuration | 3× butt hinges, 100×75mm, ball-bearing |
| Vision panel | Available — tempered glass, 200×400mm to 400×800mm |
| Acoustic core upgrade | Mineral wool core (replaces honeycomb standard) |
Specifications shown are industry-standard values for this product type. Contact us for exact product data sheets and configuration-specific details.
Finish Quality: Where Office Doors Diverge from Standard Production
The gauge and core specs look similar on paper — but the finish process is different. Here's why that matters for office environments.
On our standard interior steel door line, powder coat inspection checks for film thickness and major surface defects. On the office door line, we run an additional pass under raking light inspection — a low-angle light source that makes surface texture variations visible that a straight-on inspection misses. Orange peel, micro-pinholes, and gloss inconsistency across the panel face all get caught at this stage. Doors that don't pass go back to the coating line; they don't get touched up and shipped.
The reason we added this step is straightforward: office environments have ambient lighting conditions — overhead fluorescents, large windows — that make surface texture visible in a way that a warehouse or utility room never does. A door that looks fine under factory lighting can show texture variation under office lighting. We found this out from buyer feedback early on, added the raking light inspection, and the complaints stopped.
Color consistency across a production batch matters for office fit-outs where multiple doors are installed in the same corridor. We run color batches together on the powder line — your 50-unit order doesn't get split across two coating runs with slightly different cure conditions. We've had buyers come to us specifically because a previous supplier split their order and the doors didn't match when installed side by side. It's a preventable problem.
Raking Light Inspection
Low-angle light source catches orange peel, micro-pinholes, and gloss inconsistency invisible under straight-on inspection. Doors that fail go back to the coating line — no touch-up-and-ship.
Edge Coverage Checkpoint
Film thickness is verified at panel edges and hardware cutout perimeters — the first places corrosion starts and where thin coverage is most likely if the coating line isn't set up correctly.
Batch Color Consistency
Multi-door orders run through the powder line together. No split batches, no mismatched cure conditions — critical when multiple doors are installed in the same corridor.
Hardware Integration: Factory Prep vs. Field Modification
Most steel doors arrive on a job site requiring field modification — drilling, chiseling, or cutting reinforcement plates. That adds labor cost and introduces surface damage risk. Ours don't.
Our office steel door ships with mortise lock prep and closer reinforcement as standard factory operations. The mortise lock pocket is CNC-machined to accept standard mortise lock bodies (85mm backset, 72mm centers as default — other configurations available on request). The closer reinforcement plate is welded into the door body at the factory, not surface-mounted, so there's no visible fastener pattern on the face side.
Hinge prep is 3× ball-bearing butt hinges at 100×75mm — the three-hinge configuration distributes the door weight more evenly than a two-hinge setup, which matters for door closer operation and long-term hinge wear. The hinge cutouts are CNC-routed to ±0.5mm tolerance, so the hinge sits flush with the door edge without shimming.
For buyers supplying contractors, this level of factory prep translates directly to installation labor savings. A door that arrives with accurate hardware prep installs in significantly less time than one that requires field modification — and the risk of surface damage during installation drops to near zero when the installer isn't cutting or drilling on a finished door face.
Vision panel options are available — tempered glass inserts from 200×400mm up to 400×800mm, with the steel frame reinforced around the opening. The glass cutout is factory-made, not field-cut, so the frame geometry around the glass is clean and consistent.
Standard Factory Hardware Prep
Standard Industry Practice
- Hardware prep requires field drilling, chiseling, or cutting
- Reinforcement plates surface-mounted on site
- Risk of surface damage during installation
- Higher contractor labor cost per door
- Vision panel openings field-cut — inconsistent frame geometry
EUWOO Office Door
- All hardware prep CNC-machined at factory to spec
- Closer reinforcement welded into door body — no face fasteners
- Surface damage risk near zero — no on-site cutting or drilling
- Reduced installation labor per door for contractors
- Vision panel openings factory-made — clean, consistent frame geometry
Specify your hardware configuration
Mortise backset, closer position, vision panel size — tell us your spec and we'll confirm factory prep availability.
Commercial Office Fit-Out: Market Segments and Order Patterns
The office steel door serves several distinct commercial segments, each with different order patterns and margin dynamics. Understanding which segment you're supplying shapes how you spec and stock this product.
Corporate Office Construction & Fit-Out
New office buildings and major fit-out projects are the highest-volume single orders in this segment — a mid-size office building typically requires 80–200 interior doors, ordered per-project with defined delivery windows.
Contractors in this segment buy to spec: they need exact dimensions, specific hardware configurations, and documentation for the project file. The value you bring as a distributor is reliable delivery against the project schedule and the ability to supply matching frames from the same source.
Key Insight
Sourcing doors and frames separately is the most common cause of fit problems on commercial projects — we supply both, dimensioned against the same template.
Commercial Property Management & Refurbishment
Property managers replacing doors in existing office buildings order in smaller batches — typically 10–50 units per building, but repeat orders as the portfolio turns over. This is a lower-volume-per-order segment but a high-reorder-frequency one.
Standard sizes and consistent color matching across orders are the key requirements here. Distributors who can reliably match a color from a previous order — even 18 months later — build sticky relationships in this segment.
Competitive Advantage
Consistent color matching across orders, even 18 months apart, is the primary loyalty driver in this segment.
Institutional & Government Buildings
Schools, universities, government offices, and healthcare administration buildings. These projects often require compliance documentation — CE certification, test reports, material safety data.
Our certification package (ISO 9001:2015, CE, SGS) covers the standard requirements for institutional procurement in most markets. Order volumes are project-dependent but tend to be larger than commercial fit-out, and the procurement process is more formal.
Growth Markets
This segment has grown consistently in Southeast Asia and the Middle East — government infrastructure spending in both regions has been steady.
Hospitality & Mixed-Use Development
Hotels, serviced apartments, and mixed-use commercial buildings. This segment cares about aesthetics more than most — the door finish needs to match the interior design specification, which means custom colors and sometimes custom panel profiles.
MOQ for custom colors is 100 units, which is typically within range for a hotel project. Margins in this segment are higher than standard commercial because the specification is more demanding and fewer suppliers can meet it.
Margin Profile
Higher margins than standard commercial — demanding spec and limited supplier pool create pricing power for distributors who can deliver.
Customization Options for Office Steel Doors
Standard catalog configurations cover most commercial office requirements. Where they don't, our in-house engineering team handles custom development — 15 engineers, no charge for the design consultation, 3D rendering before you commit to production.
| Customization Dimension | Options | MOQ Impact |
|---|---|---|
| Door size | W600–1200mm × H1800–2500mm single leaf; double leaf up to W2000mm | No MOQ change within standard range |
| Oversized / non-standard | Custom sizes outside standard range | 100 units minimum |
| Core upgrade | Honeycomb → mineral wool (acoustic) | No MOQ change |
| Finish | 60+ standard RAL colors | 50 units |
| Custom color (non-RAL) | Any color with color sample provided | 100 units minimum |
| Gloss level | Semi-gloss, matte, high-gloss | 50 units |
| Vision panel | Tempered glass, 200×400mm to 400×800mm | 50 units |
| Hardware prep | Mortise lock backset, closer position, viewer, electric strike prep | 50 units |
| Frame profile | 100mm, 120mm, 160mm wall depth; custom on request | 100 units for non-standard |
| OEM / private label | Your brand, your packaging | 100 units |
| Panel profile | Flush (standard); embossed panel profiles available | 100 units |
Lead Times for Custom Configurations
Lead time for custom configurations is 25–35 days for standard-range customization (size, color, hardware prep). Non-standard sizes or panel profiles add 5–10 working days for tooling setup on first production run.
Engineering Support — No Charge
Our in-house engineering team handles custom development. 15 engineers, no charge for the design consultation, 3D rendering before you commit to production.
We can also suggest configurations based on what's moving in your target market. If you're building a product line for the North American commercial market or the Gulf hospitality segment, we have order pattern data from existing distributors in those regions that's worth sharing before you finalize your SKU selection.
Send us your spec for a custom quote
Acoustic Performance: Specifying the Right Core for Your Market
Core selection determines acoustic outcome. Here is what the difference means in practice — and when to specify each option.
The standard honeycomb paper core on our office steel door provides basic sound attenuation — adequate for general office corridor applications where the door is not the primary acoustic barrier. For meeting rooms, executive offices, HR rooms, or any space where speech privacy is a specification requirement, the mineral wool core upgrade is the correct spec.
Mineral wool core increases the door's sound reduction index (Rw) from approximately 28–32 dB (honeycomb) to 38–42 dB (mineral wool) — a meaningful difference in practice. A 30 dB door reduces a normal conversation to barely audible; a 40 dB door makes it inaudible.
For buyers supplying office fit-out contractors, the ability to offer both configurations from the same supplier — same face, same hardware, different core — simplifies your product line and lets you cover the full range of acoustic specifications without adding a second supplier.
Acoustic performance figures above are indicative values for this door construction type. Certified acoustic test results are available on request for projects requiring documented performance data.
Standard: Honeycomb Paper Core
General Office CorridorsReduces a normal conversation to barely audible. Suitable where the door is not the primary acoustic barrier — general corridors, open-plan partitions, standard office entries.
Upgrade: Mineral Wool Core
Meeting Rooms · Executive Offices · HRMakes a normal conversation inaudible. Required spec for speech privacy applications. Also adds fire resistance value. Same face, same hardware — different core.
Fire-Rated Acoustic Requirement?
The standard office steel door is not fire-rated. If your project requires a fire-rated door with acoustic performance, see our steel fire door range for fire-rated configurations.
| Application | Recommended Core | Rw Range | Acoustic Outcome |
|---|---|---|---|
| General office corridors | Honeycomb | 28–32 dB | Conversation barely audible |
| Meeting rooms | Mineral Wool | 38–42 dB | Conversation inaudible |
| Executive offices | Mineral Wool | 38–42 dB | Conversation inaudible |
| HR / confidential rooms | Mineral Wool | 38–42 dB | Speech privacy met |
| Fire-rated acoustic | Fire Door Range | See fire door | Separate product line required |
Quality Assurance on Office Steel Doors
The 5-stage QC process that runs across our full steel door range applies here, with the additional finish inspection step specific to the office door line.
Incoming Material
Every SPCC coil checked for gauge and surface condition before entering the cutting line. Approved mill sources only.
In-Process Dimensional
Panels and frames measured against master templates after CNC forming, before welding. Out-of-tolerance pieces are pulled — they don't proceed.
Weld Inspection
Every weld joint visually confirmed for full penetration and surface finish before pre-treatment.
Coating Inspection (Office Line Specific)
Film thickness checked with digital gauge; raking light surface inspection for orange peel and gloss consistency; edge coverage verified.
Final Assembly
Every door test-fitted with its frame, hardware cycled, squareness and gap consistency checked. 100% outgoing inspection — no statistical sampling.
Certifications
Held at factory level and apply to this product. SGS audit reports available on request for import compliance or internal supplier qualification.
100% Outgoing Inspection — No Statistical Sampling
Every door that leaves the factory has been individually test-fitted with its frame, hardware cycled, and checked for squareness and gap consistency. This is not a sampling protocol — it is a unit-level check on every piece.
For buyers who need third-party documentation for import compliance or internal supplier qualification, SGS audit reports are available on request.
Packaging, Container Loading, and Landed Cost
KD flat-pack format, full export documentation, and exact loading data so your freight team can calculate landed cost before you commit.
KD Flat-Pack Format
Door leaf, frame sections, and hardware packed separately in reinforced cartons with foam corner protection. The door face never contacts another surface in the carton — powder coat arrives intact.
Container Utilization
A standard 40HQ container holds approximately 220–260 KD door sets for W900×H2100mm single-leaf configuration. Double-leaf and oversized doors load at lower quantities — exact loading data is provided with every quote.
Batch Traceability
Every carton carries a barcode linked to our production batch record. Trace any unit back to its production date, line, and inspection record within minutes — useful for port-of-entry inspections and downstream customer queries.
Complete Export Documentation
Commercial invoice, packing list, bill of lading, certificate of origin, and test certificates — complete for all active markets. We've shipped to Los Angeles, Houston, Dubai, Singapore, Lagos, and Sydney without supplementary paperwork requirements.
40HQ Loading Reference
Loading data is provided before you commit so your freight team can calculate landed cost accurately.
Active Export Markets
Los Angeles · Houston · Dubai · Singapore · Lagos · Sydney — no supplementary paperwork required in any of these markets.
Frequently Asked Questions
Decision-support answers for specifiers, procurement teams, and importers evaluating EUWOO office steel doors.
What steel gauge is correct for a commercial office steel door?
For standard commercial office environments — private offices, meeting rooms, corridors in office buildings — 1.0mm SPCC cold-rolled steel is the correct specification. It handles normal traffic loads, takes hardware well, and keeps door weight within the range that standard door closers and hinges are rated for. The 1.2mm option is available if your project specifies a heavier gauge or if the doors will see higher-than-normal traffic (main entrance corridors, high-traffic access points). For genuinely high-abuse environments — manufacturing plants, warehouses, logistics facilities — the office steel door is not the right product; specify our industrial steel door instead.
What is the difference between honeycomb core and mineral wool core for office doors?
Honeycomb paper core is lighter and less expensive — adequate for general corridor and utility room applications where acoustic performance is not a specification requirement. Mineral wool core provides meaningful acoustic improvement and is the correct spec for meeting rooms, executive offices, HR rooms, and any space where speech privacy matters.
Honeycomb Core
28–32 dB
Rw rating
Mineral Wool Core
38–42 dB
Rw rating
The face, hardware, and finish are identical between the two configurations — the core upgrade is a factory-level decision that doesn't affect installation or appearance.
Can office steel doors be custom-sized for non-standard rough openings?
Yes. Standard range is W700–1000mm × H2000–2400mm for single leaf, with double leaf up to W2000mm. Outside this range, custom sizes are available at 100 units MOQ. For renovation projects with non-standard rough openings, send us the exact opening dimensions — our engineering team will confirm manufacturability and quote accordingly.
Frame profiles available in 100mm, 120mm, and 160mm wall depths to match different wall constructions.
What certifications does the EUWOO office steel door carry?
These certifications cover the standard requirements for commercial construction procurement in North American, European, and Gulf markets. SGS audit reports are available on request.
Note: The office steel door is not fire-rated. If your project requires a fire-rated door, see our fire door range. Certified acoustic test reports are available on request for projects requiring specific acoustic certification documentation.
What is the MOQ and lead time for a custom office steel door configuration?
Standard catalog configurations
Size within standard range, standard RAL color, standard hardware prep — from 50 units MOQ, 25–35 day lead time from deposit confirmation.
Custom colors, non-standard sizes, custom panel profiles
From 100 units MOQ. Standard-range customization: 25–35 days. Non-standard sizes or new panel profiles add 5–10 working days for tooling setup on the first production run.
Design consultation and 3D rendering are provided at no charge before you commit to production.
How does factory hardware prep reduce installation cost compared to field modification?
A door that arrives with CNC-machined mortise lock pocket, factory-welded closer reinforcement plate, and CNC-routed hinge cutouts installs without field drilling, chiseling, or surface modification. The time saving per door is meaningful on a large fit-out project — and the risk of surface damage during installation drops significantly when the installer isn't cutting or drilling on a finished door face.
Field Modification
- On-site drilling & chiseling
- Risk of surface damage
- Inconsistent tolerances
- Higher labor cost per door
Factory Hardware Prep
- CNC-machined mortise pocket
- Factory-welded closer plate
- CNC-routed hinge cutouts
- No surface modification on site
Our hardware prep is dimensioned to standard mortise lock and closer specifications. If your hardware supplier uses non-standard dimensions, send us the hardware spec and we'll prep to match.
Get a Quote for Office Steel Doors
Send us your project specs — door quantity, sizes, hardware configuration, finish requirements, and target market — and our engineering team will respond with a detailed quote and, for custom configurations, a 3D rendering. Most standard inquiries turn around within 24 hours.
If you're new to this product category or building a product line for a new market, tell us your target market and volume expectations. We can suggest a starter configuration based on what's moving for our existing distributors in that region.
What to Include in Your Inquiry
The more detail you provide, the faster we can return an accurate quote. Custom configurations also include a 3D rendering at no charge.
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Door quantity
Total units per order and expected annual volume.
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Sizes
Leaf dimensions (W × H) and frame rough opening if known.
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Hardware configuration
Lock type, hinge count, closer requirement, access control prep.
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Finish requirements
Color, texture, and any special coating or certification needs.
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Target market
Destination country and distribution channel. Helps us recommend the right starter configuration.
EUWOO — Luoyang Huahui Door Industry Co., Ltd. | Luoyang Industrial Park, Henan, China