How can I cut my sound absorbers to size?

Acoustic foam is characterised both by its high effectiveness in use and by its ease of processing as a raw material. The material is extremely versatile and has different properties depending on the type and shape, e.g. in terms of sound absorption, thermal insulation, fire protection or mechanical resilience.

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Cutting acoustic foam - here's how!⁣

Sound absorber made of acoustic foam can be easily cut to size using standard household tools. You will need the following tools for this.

Tools for cutting your absorbers

Cutter knife (utility knife) with a long, sharp blade or an electric kitchen knife
Cut-resistant base (e.g. wooden board, cutting board)
Spirit level or similar aid (squared timber, metal bar, etc.) as a cutting aid to guide the blade for a straight cutting edge
Measuring ruler/tape and pencil for measuring and marking
Cut-resistant gloves to protect against injuries

A cutter knife (universal knife) with a long, sharp blade for cutting the acoustic foam.

An electric kitchen knife is particularly suitable for cutting firmer foams.

Preparation
Place your absorber on the cut-resistant base and determine the dimensions according to which you want to cut it. Mark the planned cut edge and position the spirit level accordingly.
Cutting
Extend the knife blade as far as possible, preferably a little further than the material thickness of your absorber. Make sure that the blade is as straight as possible. To do this, position the blade at a 90° angle (right angle) to the absorber if possible. Pull the cutter knife carefully and with sufficient pressure along the spirit level or another cutting aid.

The blade is set at a right angle to the absorber.
Finalising cut edges
Depending on the material thickness and foam type, a further cut may be necessary. Repeat the process to cut the sound absorber completely to size.

In this extract from an assembly video, we show you the cutting process step by step.

Important notes on cutting your sound absorbers

In general, all aixFOAM sound absorbers made of PUR foams (PUR-E, PUR-ES) and duromer acoustic foam (MH) can be cut easily and with little effort. A sharp cutter knife is usually sufficient to achieve a clean cut. With our HEAVY Duty sound insulation panels made of acoustic heavy foam you may need a little more force. Therefore, please be particularly careful when cutting and pull the knife along your cutting aid (spirit level, squared timber, etc.) several times if necessary. The use of an electric knife can make work easier in this case.

HEAVY Duty sound insulation panels made of acoustic foam require a little more force to cut.

Caution! Never use a tool with hot wire (hot wire cutter) to cut your sound absorbers, as is used to cut other insulating materials such as polystyrene. These tools work with high heat and scorch the material of your sound absorbers. Depending on the fire protection class, the sound absorbers may also be highly flammable.

Do you need further help with cutting your absorbers?

In the aixFOAM Shop you will find acoustic elements in various shapes and sizes. However, if you require a different format or special cuts, simply contact us. Contact us. We are of course available to answer any further questions you may have about the processing of your sound absorbers.

Infobox

Acoustic foam is an extremely versatile and flexible material that can be easily processed using standard household tools and equipment such as a sharp cutter knife or an electric kitchen knife. In our guide, we have compiled the most important tips for processing your aixFOAM sound absorbers.

Do you need help?

Give us a call or send us an e-mail. We will find your acoustic solution with a free consultation from our specialist planners.

+49 2403 / 83830 - 22
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