Soundproofing Acoustical Doors Manufacturer in India | PackSound

PackSound manufactures certified High-Performance Acoustic Doors in India with STC ratings from 38 to 60+ dB, fire-rated options, and custom finishes for studios, hospitals, offices, and industrial facilities. As a direct manufacturer based in Greater Noida, Uttar Pradesh, PackSound supplies Soundproof Acoustic Doors and Acoustical Doors across Delhi NCR, Mumbai, Bengaluru, Hyderabad, and pan-India with end-to-end design, supply, and installation support.

Acoustic Door

What is an Acoustic Door and Why Does it Matter?

An Acoustic Door is a specially engineered door assembly designed to block, absorb, and isolate sound transmission between two spaces. Unlike standard interior doors that offer near-zero acoustic resistance, a properly rated Soundproof/wooden Acoustic Door uses a combination of mass, damping layers, perimeter seals, and drop-down bottom seals to achieve meaningful STC (Sound Transmission Class) performance.

At PackSound, we manufacture Acoustical Doors and Soundproof Interior and Exterior Acoustic Doors that are built to perform, not just marketed to look the part. Every door system we supply is backed by third-party lab-tested STC certificates, not showroom claims.

Acoustic Door Specifications
Parameter Specification
STC Rating Range STC 38 to STC 60+ (custom ratings available)
Door Leaf Thickness 60mm to 120mm depending on STC requirement
Core Material Mineral wool, Mass Loaded Vinyl (MLV), honeycomb composite
Frame Material Steel, Aluminium, or Solid Timber with acoustic rebate
Seal System EPDM perimeter seals + automatic drop-down bottom seal
Fire Rating Option FD30 / FD60 available (acoustic + fire-rated combo)
Finish Options Laminate, veneer, powder-coat, fabric-wrapped, or custom
Acoustic Door Features
Feature Benefit
Lab-Certified STC Ratings Guaranteed performance backed by third-party test certificates
Full Perimeter Seal System No flanking paths, every gap is sealed for true acoustic isolation
Fire + Acoustic Combined One door system meets both safety codes and acoustic specs
Custom Sizing and Finish Fits any opening and matches your interior design language
Minimal Maintenance Stainless or aluminium hardware resists corrosion and wear
Pan-India Supply and Install Factory-direct pricing with professional installation support
Compliant with IS Norms Meets NBC India and international acoustic standards
Application Why Acoustic Doors Are Critical Here
Recording and Broadcast Studios Even -1 dB of flanking noise can ruin a professional recording
Hospitals and ICUs Patient privacy and sleep recovery depend on door-level isolation
Corporate Boardrooms and Cabins Confidential conversations must not leak to open-plan areas
Cinemas and Multiplexes STC 60+ prevents audio bleed between adjacent screens
Hotels and Service Apartments Guest satisfaction scores directly correlate with room quietness
Industrial Control Rooms Machinery noise must stay outside operator spaces
Schools, Courts, and Places of Worship Speech clarity and privacy cannot coexist without sealed doors
Acoustic Door Installation Process
Step Action
1. Site Survey Measure opening, check wall construction, identify flanking paths
2. STC Requirement Assessment Determine required STC based on source noise and target ambient
3. Door System Selection Choose leaf thickness, core, frame type, and seal combination
4. Factory Manufacturing Custom-cut door leaf and frame manufactured under quality control
5. Frame Installation Steel or timber frame fixed to structural wall with acoustic mastic
6. Door Leaf Hanging Heavy-duty hinges rated for door weight; alignment checked
7. Seal Fitting & Commissioning Perimeter seals and drop-down bottom seal fitted; STC field-verified
Acoustic Door Myths vs Reality
Myth Reality
Heavy door = soundproof door Mass helps but seals and decoupling determine real STC.
Any foam seal works the same Incorrect. Only rated EPDM seals maintain STC over time.
STC 40 is enough for studios Professional studios require STC 55+ with treated flanking paths.
Acoustic doors are always thick STC 42 achievable in 75mm leaf with correct core and seals.
Wooden doors cannot be soundproof Solid timber with MLV core achieves STC 45+ comfortably.
Double doors double the STC Only true with an air gap of 100mm or more between leaves.
Interior acoustic doors are optional Internal doors are the primary flanking path in most builds.

Why Specify PackSound as Your Acoustic Door Manufacturer?

PackSound is a division of Ecotone Acoustic Limited, one of India’s most experienced acoustic solutions companies with projects delivered across Delhi NCR, Mumbai, Bengaluru, Pune, Hyderabad, and beyond. Our acoustic door systems are not imported and relabelled; they are engineered and manufactured in India with controlled material sourcing and verifiable test certificates. We are one of the few acoustic door suppliers in India who offer: complete door system supply (leaf, frame, hardware, seals), acoustic design consultation before specification, STC field verification after installation, and combined acoustic and fire-rated assemblies under one warranty. Our technical team includes trained acoustic engineers who can read room noise surveys, specify STC targets correctly, and identify flanking paths that a standard contractor would miss. This is the level of expertise your project deserves.
Also Read: Fire Rated Doors.

Frequently Asked Questions

What STC rating do I need for a recording studio acoustic door?

Professional recording studios typically require acoustic doors rated STC 52 to STC 60 depending on external noise levels and the studio’s target NC (Noise Criteria) value.

How much does a soundproof interior acoustic door cost in India?

Pricing depends on STC rating, door size, and finish. Entry-level STC 38 acoustic doors start at approximately INR 18,000 to 25,000 per unit installed; high-performance STC 55+ systems range from INR 60,000 upward.

Can I get a fire-rated and acoustic-rated door together?

Yes. PackSound manufactures combined FD30 or FD60 acoustic-fire door assemblies tested and certified as a complete system, not individual components

What is the difference between an acoustic door and a soundproof door?

They refer to the same product category. ‘Soundproof acoustic door’ is commonly used in India; acoustically, both terms describe a door assembly with a certified STC rating and a full sealing system.

Do acoustic doors need special hinges?

Yes. Acoustic door leafs are significantly heavier than standard doors. PackSound specifies heavy-duty ball-bearing hinges rated for 80 to 150 kg door weight to prevent sag and seal gap over time.

How long does acoustic door installation take?

A single acoustic door installation typically takes 4 to 8 hours including frame setting, door hanging, seal fitting, and commissioning. Multiple openings are scheduled over consecutive days.

Can high-performance acoustic doors be used for exterior applications?

Yes. PackSound manufactures exterior-grade soundproof acoustic doors with weather seals, powder-coated steel frames, and stainless hardware rated for outdoor exposure and rainfall.

Will an acoustic door completely eliminate all outside noise?

No acoustic door eliminates all sound. A correctly rated and installed acoustic door will reduce noise to a level where it is no longer disruptive. Total elimination would require STC 80+, which is impractical for a door opening.

Does PackSound supply acoustic doors outside Delhi NCR?

Yes. PackSound supplies and installs acoustic door systems across India including Mumbai, Bengaluru, Hyderabad, Chennai, Pune, Kolkata, and Tier 2 cities through our project delivery network.