Is Spouwmuur Isolatie (cavity wall insulation) Useful ?

Is my home appropriate for spouwmuur isolatie¬†(cavity wall insulation)?¬†As a rule, your home will be appropriate for spouwmuur isolatie(cavity wall insulation) if: The outside walls are unfilled spouwmuur The stonework, as well as block work, is in great condition Your hole is no less than 35mm wide (or 50mm for a few types of insulation) However, where the accompanying circumstances…