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Sorry, insulating closed walls requires drill-and-fill, which isn't a service we offer, so we're unable to quote this project. But we can absolutely help keep your existing home warm with underfloor and ceiling insulation — just update your selection above.

If you would like to use NZ Foam insulation as part of your retrofit, the internal wall linings must be removed so the wall cavities are open and accessible.
NZ Foam does not offer drill-and-fill insulation for closed wall cavities.
If you are considering removing the wall linings, we’d be happy to review your project and advise whether NZ Foam insulation is suitable.

For underfloor insulation, NZ Foam requires approximately 600mm minimum clearance to safely access and install insulation beneath the floor.
If your underfloor space has limited access or reduced clearance, please continue with the form and include any details you can. We’ll review your project and advise whether underfloor insulation is suitable.