21/10/2026
What happens when an insulated wall needs to support more than just insulation?
Thermal performance is essential, but so is making sure a wall can accommodate the practical demands of everyday use.
This is where Warmotech Phonotherm (RG550) comes into its own.
This high-strength structural insulation board provides a stable base for secure fixings while helping to minimise thermal bridging.
Commonly used around windows, doors and other critical building junctions, its versatility extends to applications you might not immediately think of.
In this project, Warmotech Phonotherm was incorporated into a Gutex Thermoroom internally insulated wall to provide a robust fixing point for heavy wall lights.
🎥 Watch the video to discover how a small detail can make a big difference to the finished installation.
Explore Warmotech Phonotherm here: https://loom.ly/G6V_9_Y