INSUL - predicting sound insulation
A quick & accurate tool for predicting the sound insulation in walls, floors and ceilings.
Learn more Contact UsLatest News
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Version 10 has arrived!
We are very excited to release INSUL Version 10. The INSUL develo...
23 November 2023 Read More -
Support for macOS 14 Sonoma is pending...
macOS Sonoma (version 14) was released this week. We have tested ...
29 September 2023 Read More -
macOS Ventura Support
We can confirm that INSUL operates on macOS Ventura (macOSv13). ...
24 September 2023 Read More
System overview
About INSUL
With extensive drop down menus to select materials, and simple choices for construction details you can quickly evaluate different constructions.
INSUL shows a picture of your construction and a graph of the 1/3 octave TLs.

INSUL User Guide
The INSUL User Guide includes advice on getting started with INSUL modelling. It also contains information about the technical foundations of INSUL which can assist with developing robust models of sound insulation performance.
The INSUL version 9.0 User Guide is accessible here.

Download INSUL
You can download a trial version of INSUL to evaluate for yourself.
Should you decide to purchase INSUL you may contact Marshall Day Acoustics Ltd, or one of our distributors.