Door insulation in a practical set - For installation outside the door frame
- Door insulation set with easy-care felt surface
- Available in various standard formats and 20 trendy colour variants
- Installed outside the door frame

Product data
Format, surface | Set consisting of 5 rectangular elements (1 x recess for jack), acoustic foam core with felt surface |
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Material thicknesses | 3 cm, 5 cm |
Material | Open-cell PUR acoustic foam with acoustic felt lamination |
Colours | Acoustic core in anthracite Felt colours: Marbled sandstone, marbled ivory, marbled light grey, marbled cream white, marbled graphite grey, marbled maroon, marbled amber, marbled fuchsia red, black, ash grey, terra brown, mocha brown, design red, may green, royal blue, sky blue, sunny yellow, marbled blackberry, marbled lavender, marbled forest green |
Property right | Protected product, property right no. 007797253-0001, 007797253-0002 |
Fire classes | DIN 4102 B2 (only with aixFOAM self-adhesive equipment) More information about the fire classes of our sound absorbers is available the relevant aixFOAM knowledge article (German). |
Fastening options | Self-adhesive kit |
Assembly recommendation | Always attach the absorbers in the direction of the sound source/noise source for optimum effectiveness. In order to avoid the elements grinding on the frame when opening the door, the parts are slightly shortened at the factory, so that they should be glued all around with a distance of 1 cm to the outer edge of the door leaf. A shadow joint of 1 cm should also be left between the individual elements. Detailed instructions for installation can be found in the supplied installation instructions. |
Temperatureresistance | - 40 °C to + 100 °C |
Harmful substance information | Mineral fibre free |
Tolerance | This high quality acoustic product is made on our precision machinery according to DIN 7715 Part 5 P3. |
Notes on measuring | To select your suitable door insulation set, you need the door leaf outer dimension. To do this, measure both the width and the height of your door leaf on the outside, i.e. on the side in the direction of which your door can be opened.
Why do I ALWAYS have to specify the external dimensions of the door leaf? The door leaf outer dimension is ALWAYS specified as the nominal dimension (standard dimension) for doors. It does not matter whether you want to attach your door insulation set to the inside or outside of the door leaf. If you decide to mount it on the inside of the door leaf (inside the door frame), you will receive your set from us shortened so that it does not rub against the door frame. ![]() |
Notes on the door rabbet | ![]() |
Product variants | For the sound insulation of a room door inside the frame, use our door insulation set for installation inside the door frame. |
More information about this product is available, if required, in the accompanying datasheet. We are happy to provide you with this upon request.
Absorption values
The measurements of the absorption coefficient were performed on polyester acoustic foams from RWTH Aachen. All values refer to absorbers with a size of 100 cm x 50 cm and were calculated according to DIN 52212.
Frequency range |
![]() Height 3 cm |
![]() Height 5 cm |
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125 Hz | 0,10 | 0,17 |
250 Hz | 0,50 | 0,73 |
500 Hz | 0,78 | 0,71 |
1000 Hz | 0,63 | 0,59 |
2000 Hz | 0,49 | 0,57 |
4000 Hz | 0,53 | 0,45 |

Profit from sound insulation directly from the manufacturer!
At aixFOAM we make sound insulation for applications in room acoustics and technical acoustics. And because we do this particularly well, we have been doing it for 60 years. Over this time we have been constantly working on the further development of our products and therefore are able to offer you highly effective sound absorbers in a modern design.
Our aixFOAM philosophy: We combine customer-oriented advice with the individual, needs-based production of sound insulation solutions. Or in other words: We help you with free advice to find the ideal sound insulation for your project and start to make your absorbers directly after receiving your order. You then receive your sound insulation directly from the factory – naturally in the best quality.
- Use of high quality acoustic foams from Germany
- Precision manufacturing on the latest CNC cutting machines and systems
- Standard solutions or individual small and series manufacturing of noise insulation
- Advice, planning, production and brokering of assembly partners

"Made in Germany"
in a few days
soundproofing experts

„Our practical door insulation kits are a simple and ingenious solution to insulate room doors against sound. For maximum effectiveness, the absorbers should always be mounted in the direction of the noise source.“
Do you need help or do you have any questions about the product?
Use our help area with brief answers to the most frequently asked questions from our customers.
Of course we are happy to help you with advice, free of charge.
+49 2403 / 83830 - 22
Monday to Friday
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sales@aixfoam.com
Daily from 00.00 – 24.00 hours