Sound Control Solutions

Acoustic Door Sets for Commercial Sound Control

Build quiet spaces without over-specifying. Euwoo manufactures commercial door sets designed for sound control, with engineered frames, perimeter seals, and adjustable door bottoms.

Assembly-based
Frames, seals, thresholds designed as one
Spec-ready Docs
Shop drawings to reduce RFIs
OEM Flexibility
Sizes, finishes, seal packages
STC 35-55 options
10-30 sets typical MOQ
25-45 days lead time
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STC 35-55
Rating Options
ASTM/ISO
Test Standards
ISO 9001
Quality System
OEM
Customization

Key Performance Features

A high-performing acoustic door is more than a heavy slab. It is a tested assembly that combines leaf construction, frame geometry, seals, threshold strategy, and hardware reinforcement.

Assembly-Based Engineering

Leaf, frame, and seal package designed as a matched system. Reduces sound leakage at common failure points: latch side, head, and floor line.

High-Mass Leaf Constructions

Steel skins with reinforced internal frame, composite acoustic cores with damping membranes, and timber-veneer face options for architectural interiors.

Multi-Stage Sealing

Continuous perimeter gaskets, optional magnetic seals, and automatic drop seals. Threshold options balanced for accessibility and performance.

Hardware Reinforcement

Reinforced hinge, closer, and lock areas to handle heavier leaves. Prep for panic devices, access control, and concealed wiring paths.

Architectural Finishes

Powder-coated steel, wood veneer or HPL facings, stainless or galvanized options for humid environments. Color matching to RAL standards.

Documentation Support

Shop drawings, configuration codes, material declarations, and third-party acoustic test reports for the exact door set when required.

Technical Specifications

Use these ranges as a starting point. Final specifications depend on opening size, rating target, finish, and hardware.

Acoustic and Sealing

Acoustic rating optionsSTC 35-55 depending on configuration
Reporting standardsASTM E90 / E413 or ISO 10140 / 717
Perimeter sealingContinuous compression gasket; optional magnetic seals
Bottom sealingAutomatic drop seal; threshold options available

Leaf Construction

Leaf thickness45-70 mm typical; thicker for higher targets
Face materialGalvanized steel, veneer, or HPL facings
Core optionsHigh-density mineral wool, composite cores, damping layers
ReinforcementHinge/lock plates; closer and panic device backing

Frame and Dimensions

Frame typeWelded steel with seal channels; knock-down options
Frame depth100-250 mm matched to wall thickness
Single leaf width700-1200 mm typical
Height2000-2400 mm typical; custom available

Hardware and Finishes

HingesHeavy-duty ball-bearing; qty based on leaf weight
LocksMortise or cylindrical; panic device prep available
Electrified hardwareConcealed wiring paths, access control prep
FinishesPowder coat, wood veneer, HPL; RAL color matching

STC Ratings and Specification Tips

When you specify an acoustic door, the number you write needs a clear test basis. Field gaps and poor frame-to-wall sealing can reduce real-world isolation.

Key Takeaways

  • STC is lab-derived; field performance depends on frame alignment and airtight sealing.
  • Small gaps at the latch side and floor line are often the biggest sound leaks.
  • Specify the door as an assembly: leaf, frame, seal package, threshold, and undercut limits.
  • Ask for documentation tied to your exact configuration, not a generic brochure.

Recommended Targets by Space Type

Offices & Meeting Rooms
STC 35-40

Improves speech privacy when aligned with partition performance.

Hotels & Hospitality
STC 40-45

Balances privacy with smooth closing and accessibility details.

Healthcare
STC 40-50

Supports confidentiality and quieter recovery environments.

Studios & Test Labs
STC 50+

Often pairs with vestibules or double-door systems for higher isolation.

Door Types and Configurations

Different spaces need different door set strategies. The right choice depends on rating target, traffic level, and accessibility requirements.

Single Leaf Commercial Swing Door Set

Best for: Offices, classrooms, consult rooms, hotel guestrooms

Steel-faced or architectural veneer, perimeter gasket + automatic drop seal, closer and lock reinforcement, optional threshold for higher isolation.

Note: Confirm final floor finish thickness early so undercut limits are correct at handover.

Pair (Double Leaf) with Meeting Stile

Best for: Large openings, equipment access, assembly spaces

Coordinator or latch strategy for consistent closing, meeting stile solutions (astragal or controlled joint), dual drop seals and enhanced perimeter seals.

Note: The center joint is the most common leak path on pairs; precise alignment is critical.

With Vision Panel

Best for: Healthcare observation, corridor safety, controlled access

Acoustic glazing build, limited panel size to reduce vibration risk, reinforced cut-out framing and gasket detailing, optional blinds or privacy glazing.

Note: Panel size and glazing type can reduce overall isolation; confirm early during submittals.

With Access Control Prep

Best for: Server rooms, executive areas, secure meeting spaces

Concealed wiring paths and hardware cut-outs, electric strike or electrified lock prep, door position switches and contacts, reinforced lock edge.

Note: Unplanned field drilling creates air paths; coordinate all penetrations before production.

Applications in Commercial Projects

Sound control is a functional requirement in many buildings, not just a studio feature.

Offices and Conference Rooms

Improved speech privacy, fewer distractions, and better video-call quality because background noise is contained. Align door ratings with partition performance.

  • Sound-rated door sets with controlled undercuts
  • Access control prep for secure spaces

Healthcare Consult Rooms

Privacy and rest are operational requirements. Sound insulated door sets reduce conversation leakage and corridor noise, supporting confidentiality.

  • Smooth, easy-clean surfaces
  • Acoustic vision panels for observation

Hotels and Hospitality

Guest satisfaction depends on noise control at the entry and between back-of-house zones. Stable sealing and controlled closer action reduce corridor bleed-through.

  • Architectural finish options (veneer, HPL)
  • High cycle count hardware reinforcement

Studios and Test Labs

Higher isolation requirements, especially in low frequencies. Vestibule layouts using two doors separated by an air gap often outperform single extreme builds.

  • Higher-mass constructions, enhanced seals
  • Vision panels with acoustic glazing

Installation and Integration Notes

Achieving sound control is as much about installation as manufacturing. The goal is airtightness at the perimeter, consistent gasket compression, and reliable latching.

1

Set and Anchor Frame

Plumb, level, and square the frame. Use appropriate anchorage and prevent twisting during tightening.

2

Seal Frame-to-Wall

Seal the full perimeter joint with backer rod and sealant. This is an airtightness detail, not just cosmetic.

3

Hang Leaf and Hardware

Install hinges and hardware per schedule. Confirm door swings freely and latching is positive.

4

Install and Adjust Seals

Fit perimeter gaskets evenly. Install drop seal and adjust after final flooring so bottom gap closes when latched.

5

Commission and Verify

Check reveals, latch function, and gasket compression. Perform leak checks at perimeter and listen for rattles.

Common Mistakes to Avoid

Leaving unsealed gaps behind trims or around frame anchors
Over-sized undercuts that exceed drop seal adjustment range
Frames set out of square, causing uneven gasket compression
Late field drilling for access control, creating air paths

FAQ

Common procurement, specification, and documentation questions.

What STC target should I specify for my space?
Start by looking at the function of the room and the partition you are tying into. Many office meeting rooms target STC 35-40; hotels and healthcare often move toward STC 40-50; studios may require STC 50+ and sometimes a vestibule. The door should not be dramatically weaker than the surrounding wall.
Is a soundproof door the same as a lab-tested sound-rated door set?
Marketing terms are inconsistent. Focus on what is actually specified: leaf build, frame geometry, seal package, threshold strategy, and controlled undercuts. Ask whether the supplier can provide a configuration code that ties together the components, and whether documentation matches the exact door set you are buying.
Do you offer an STC rated door as a complete pre-hung set?
Yes. We can supply pre-hung door sets where the leaf, frame, perimeter seals, and door bottom are designed to work together. This makes it easier to achieve consistent results across multiple openings.
How much do seals and thresholds influence real-world performance?
Most sound leaks are air leaks. Even small gaps at the latch side or floor line can reduce isolation dramatically. The seal package and threshold strategy should be specified, not left as an afterthought.
Can you combine sound control with fire or smoke requirements?
Yes, but these combinations require careful configuration because hardware, seals, and clearances affect every performance attribute. Share the standard and rating duration early so the door set can be aligned with the correct construction and documentation.
What is your typical MOQ and lead time?
MOQ is typically 10-30 sets per configuration, with smaller sample quantities available for approval. Typical production lead time is 25-45 days after drawings and samples are approved.
Steel vs wood: which construction is better for sound control?
Both materials can work when the design focuses on mass, damping, and airtight sealing. Steel-faced constructions are durable and easy to prep for heavy-duty hardware. Wood or veneer-faced options are popular where appearance is a priority. The total assembly matters most.

Why Choose Euwoo

Commercial buyers need predictable performance, clear scope, and documentation that stands up to submittals.

Complete Door Sets

Matched door set with frame, seal channels, and hardware reinforcement designed together. One configuration code ties leaf build, frame type, and seal kit.

Engineering Support

Shop drawings that show frame profile, seal locations, and undercut limits. Faster approvals and fewer RFIs during installation.

Repeatable Fit-Up

Controlled welding, surface preparation, and pre-assembly checks for hinge alignment and latching. Fewer punch-list items across the project.

Factory-Direct Pricing

Clear scope quotes with export packaging designed to protect edges and seal contact surfaces. Troubleshooting support from photos and measurements.

Request a Quote for Your Acoustic Door Program

Tell us your target STC range, opening sizes, finish, and hardware list. We will return a configuration summary, drawing set, and a clear quote.

What We Provide

Configuration-based quoting and documentation
OEM sizes, finishes, and hardware prep
Seal packages and installation notes
Export packing and labeling for smooth receiving
Request a Quote
sales@euwoo.com
+86 152 3616 2255