Acoustic Door

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Acoustidor leads the way in noise control. With certified noise reduction from 41dB to 56dB, when it comes to keeping sound in or noise out Acoustidor, acoustically rated steel doors, can be configured to meet your need. Suitable for use in noise-sensitive environments, such as recording studios, generator rooms, cinemas, night clubs and churches. Acoustidor is certified to EN ISO 140-3 with a leaf thickness of either 75mm or 100mm and can be supplied in four versions, rated to 41dB, 47dB, 53dB and 56dB. Acoustidor sound-insulating doors have a double-walled door leaf, made from galvanised steel sheeting.

The doors contain interior insulation material and are supplied complete with frame (made of 2 mm sheeting) and fitted with a double-seal. Extras include:

  • Fire Rating
  • Burgular Resistant
  • Ballistic Resistance
Unique Range Features

World class steel doors
Trustpilot rated Excellent
1 year warranty
Easy fit doors

Download Tech Specs

Product Features

Leaf Thickness

75mm to 100mm

Air Permeability

Upgrade to air and gas tight to 5 kPa. Class 4 EN 12207 and Class A1/12

Fire Resistance

Upgrade to Fire Rated tested to EN 1634-1

Strongdor Icons Acoustic
Acoustic Rating

Up to 56 dB

Further information


Manufactured from 2mm zintec steel formed to single rebated profile 100mm wide frame with additional rebate for flush lip. Double rebate frame available on request

Manufactured from 45mm zintec steel with flushlipped astragal constructed from. 2mm thick Zintec steel sheets
Core Infill: 42mm Atakcore 2mm Leafshield protection

Aluminium with neoprene seal - see below or flat threshold

Grade 13 Stainless steel ball bearing dog bolt butt hinges (Complies with EN 1935:2002). 5 fitted.


Self-adhesive P-Seal as standard
Brush seal on the flat threshold

Acoustic drawing

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Acoustidor Tech Specs


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Standard Colours

Standard Colours & Coatings

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Acoustidor Fitting Guide

Acoustidor Fitting Guide

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