Acoustic Doors

Block Out Unwanted Noise & Focus On Your Sound
Our Certifications
Secure-by-Design
Approachable UKAS Logo
Certificate 10725
chas
lpcb
constructions
Acoustic steel doors
Our Certifications
Secure-by-Design
Approachable UKAS Logo
Certificate 10725
chas
lpcb
constructions

British-Made

High-Quality Doors

Guaranteed Response

Within 24 hours

Family-Run Business

Established in 1995

Security Rated Doors

Huge Range of Options

Supplied & Fitted

By our Specialists

soundproof doors

Soundproof Doors

Security Doors Direct’s acoustic steel doors will:

Soundproof internal doors with Security Doors Direct

Our high-performance acoustic doors are individually certified and designed with security in mind. Whatever your project, the Defender Soundguard offers the perfect balance between acoustic performance, security, and durability. These soundproof doors are available for both internal and external use, manufactured to almost any size, and tailored to your specific requirements.

Designed with security in mind

The Defender Soundguard acoustic steel doors offer acoustic ratings of 30-40dB+, combining noise reduction with tough security. Manufactured from 1.5mm galvanised steel as standard, with upgrades to 2.0mm galvanised or stainless steel, the 56mm leaf features a mineral wool core and anti-jemmy flange.

Available in single sizes up to 1470mm x 3800mm and doubles up to 2860mm x 3800mm, it includes DDA-compliant stainless thresholds, a 90mm galvanised steel frame, and stainless ball-bearing hinges with security dogbolts. With a thermal performance from 2.2 W/m²K (upgradeable to 1.4 W/m²K), these soundproof doors also offer fire-rated options on request.

Finishing Options

Our acoustic steel doors can be powder coated in any RAL colour, including marine-graded finishes, with textured, metallic, and even woodgrain effects available for a premium appearance.

Designed with security in mind

From Quote to Installation -
We Handle It All.

  • Accredited Custom and Standard Doors
  • Secured by Design Available
  • Designed to Insurance Specification
Custom and Standard Doors
Browse

Browse our range of Security Doors

Discuss

Discuss your requirements with us

Measure

Arrange free measurement visit

Manufacture

Manufactured in as little as 5 days

Delivery

Quick-turnaround delivery & fitting

We offer a full supply & fit service to our customers nationwide.

cta-bg
Browse

Browse our range of Security Doors

Discuss

Discuss your requirements with us

Measure

Arrange free measurement visit

Manufacture

Manufactured in as little as 5 days

Delivery

Quick-turnaround delivery & fitting

British Made Products

Security Doors Direct

Security is our passion. Whether you’re running a business, operating an office or in charge of managing a block of flats, safety will always be at the forefront of your mind to ensure ease of mind. This is why you can count on Security Doors Direct. All our security doors meet safety requirements to ensure that everyone is protected and feels secure.

Frame Construction

  • Reinforcing – Strengthening around locks, hinges, and with 3mm steel hinge brackets
  • Material – 2.0mm galvanised steel as standard, with a stainless steel option available
  • Infill – Mineral wool for acoustic and thermal performance.
  • Profile – 90mm single rebate frame with custom dimensions and alternative profiles available (double rebated, face-fixed, ModuleX cloaking, etc.); bolted corner construction

Leaf Construction

  • Material – 1.5mm galvanised steel as standard (upgrades: 2.0mm galvanised or 1.5mm stainless steel, grades 304/316)
  • Size – 56mm thick leaf with anti-jemmy flange to protect the lock side from attack
  • Core – Mineral wool core with internal reinforcing strengtheners, designed to reduce sound transmittance and enhance resistance
  • Steel Door Fitting Instructions
    Download our handy guide for steel door installations Here Download
  • Steel Door Operations & Maintenance Manual
    Download our O&M Manual for Steel Doors Here Download
  • Download Colour Chart
    Download Colour Chart here Download
  • Hardware & Finishes
    Download our hardware and finishes datasheet here Download
  • Defender Soundguard
    Download our specification datasheet here Download
Brands & locations of projects we’ve worked on...

Not sure which Security Door is right?

Speak to our trained and friendly team today for free, no-obligation expert advice.

Monday – Friday: 8:30 – 5:00

Our Defender Soundguard acoustic doors are designed for environments that need to control noise levels, including commercial and industrial sites, retail units, warehouses and public buildings.

The usual lead times are 12–18 working days, depending on specification. Get in touch with our team for more detail on lead times for your project.

Yes – our acoustic doors can be fitted with vision panels offering varying sound reduction levels.
No, louvred designs aren’t available for our acoustic doors.
A wide range of locking options is available for our acoustic doors, including personnel locks, fire exit hardware and integrated electromechanical access systems.

British-Made Steel Security Doors

We build, supply & fit bespoke Security Door Solutions nationwide at competitive prices

Our Certifications

British-Made

High-Quality Doors

Guaranteed Response

Within 24 hours

Family-Run Business

Established in 1995

Security Rated Doors

Huge Range of Options

Supplied & Fitted

By our Specialists

What type of door do you require?

Not sure which Security Door you need?

Call 0121 468 2063

Monday – Friday:

8:30 – 5:00

Project Details

Your Contact Details