Soundproof doors

Alara-Lukagro soundproof doors

We offer you assurance. Assurance that you select the best internal and/or external soundproof doors for your project.

  • Certified: Alara-Lukagro is a pioneer in certified acoustic internal and external doors. Not only the most diverse combinations but also the most ambitious properties have been tested and certified.
  • Tailor-made: Alara-Lukagro has high-quality engineering capacities and advanced production methods. This provides us the opportunity to manufacture highly specific requirements and custom-made projects. Providing high quality is self-evident to us.
  • Hassle-free: Alara-Lukagro is a compact, committed and flexible organisation. This enables us to quickly adapt. We take care of engineering, manufacturing, delivering, installing and maintaining the doors. You can rest assured that you are in good hands with us, whether you require standard doors or your project is more complex.

Contact us for more information 

Soundproof doors

Combine properties in a soundproof door

Create a safe and comfortable building by combining a soundproof steel door with a high sound insulation value with fire resistance, burglar resistance, anti-panic and different kind of access control. All properties have been officially tested and certified.

View all the performances of our doors

sound insulation soundproof doors

Sound insulation

High sound insulation value: Rw,p 56 dB
Ra pop 51 dB
Ra cinema 47 dB
Ra house 45 dB
NEN-EN-ISO 140-3 tested and certified airborne sound insulation
Read more about sound insulation

fire resistance soundproof doors

Fire resistance

30, 60, 90 or 120 minutes fire resistant
Officially tested and certified (EI1, EI2, EW) in accordance with EN 1634-1
To be combined with soundproofing/burglar resistance
Read more about fire-resistant doors

burglar resistance soundproof doors

Burglar resistance

Resistance class 2
Resistance class 3
Officially tested and certified in accordance with EN 1627:2011
To be combined with soundproofing/fire resistance

Standard door properties

Material doors

Our soundproof doors  are made of an 80 mm or 103 mm thick double-walled door leaf made of electrolytically galvanized sheet steel of various thicknesses, equipped with anti-drumming and insulating material, filled with high-quality absorption package. Aluminum or stainless steel also possible.


Our soundproof doors can be made in standard dimensions as well as custom made.


Datasheet doors

Prestatie Alara-Lukagro deuren 3@4x
Prestatie Alara-Lukagro deuren 2@4x
Prestatie Alara-Lukagro deuren 1@4x

Doors tested and certified

With our soundproof doors you can be sure that you choose the best interior doors or external doors for your project. The properties of the doors are officially tested and certified according the latest European standards. This means that the doors have the most extensive certifications in the Netherlands; this is how we supply the largest soundproof and fire-resistant doors that have been officially tested and certified according the latest European standards.


Download the official certificates and reports.

+ Read more

Of the soundproof and fire-resistant features of the doors

  • Air sound isolation: till Rw 56 dB tested and certified conform NEN-EN-ISO 140-3:
    • Certificates: Air sound isolation per doortype
  • Fireresistants: certified conform EN 1634-1:
    • Certificates type of fire 1 (Ew 60, EI2 30, EI1 30)
    • Certificates type of fire 2 (Ew 120, EI290, EI1 60)
    • Test type of fire 3 (Ew 120, EI2 90, EI190)

Of the other features of the doors

  • Burglary resistance: tested in accordance with EN 1627: 2011, resistance classes 2 (WK2) and resistance classes 3 (WK3)::
    • Certificates: Burglary resistance: one-point lock
    • Certificates: Burglary resistance: multi-point lock
  • Anti-Panic: conform EN 1125 of EN 179:
    • Certificates
  • Air-, wind-, en watertightness:
    • Certificate

For different applications

Culture & Leisure

The culture and leisure sector produces noise with lots of low tones. Therefore the soundproof value of the doors in these audio spectra (Ra pop, Ra house, Ra cinema) is higher than the ‘standard’ Rw values.


  • Robust steel doors with a high soundproof value
  • Large certified dimensions deliverable
  • Safety properties, tested and certified
  • Fire resistant, burglar resistant, anti-panic, etc.
  • Project-specific lock and door fittings possible

Acoustic barrier doors along roads

  • Specially designed as escape doors for acoustic barriers along roads and railway lines.

Relevant door projects

Alara-Lukagro supplies soundproof doors for business-to-business (business) applications in the construction, industry, energy, gas and oil and maritime sectors. View the reference projects with sound-insulating doors. Our steel doors are less suitable for use in private homes (private).

View more reference projects related to doors

Prices Soundproof doors

The price of a soundproof door depands on different factors, under which the size of the door,  the execution and the options desired.
Our specialist helps you with a suitable offer for your project.

Quantity and dimensions

Quantity and dimensions

Number of doors
Single and/or double leaf
Desired opening dimensions

Desired combinations

Desired combinations

Sound insulation ranging from 45 – 57 dB
Fire resistance 30 – 120 min.
Burglar resistance WK2 or WK3
Air, wind or watertight

Options and fittings

Options and fittings

Desired door fittings
Desired preservation treatment
Door closer application
Type of doorstep

The production of soundproof doors

The production of our soundproof doors takes place in our production facility in Groot-Ammers (The Netherlands). From advice & design till guarantee and service, Alara-Lukagro is your partner.

Maintenance & guarantee

Alara-Lukagro’s acoustic doors have a long lifespan because they are manufactured from durable materials. In addition their properties are comprehensively tested and certified. This provides the assurance of durable products for your project.

Is your building fitted with Alara-Lukagro doors? If so, we would be pleased to take their maintenance off your hands. Enquire about the different maintenance contracts at the bottom of this page.

More information about service and maintenance for Alara-Lukagro doors.

acoustic doors – © 2016 Google

Want tailor-made advice for your project? We’d be delighted to sit around the table with you to discuss your needs!

“I’d be delighted to sit around the table with you to devise the optimal solution for your project. I have years of experience at Alara-Lukagro and consequently understand market demands. Are you faced with a challenge? If so, you’ve come to the right place!”

Ronald van Ditshuizen Account Manager +31 (0) 184 820 764
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