We sell and install New Zealand wide

50 Year Warranty

Mammoth™ insulation will last for at least 50 years. How good is that?

Mammoth Insulation has a 50 year warrantyOur product warranty covers that - so long as the insulation is installed correctly and remains adequately protected - Mammoth™ insulation will perform as well as when installed for 50 years.*


BRANZ Appraised

All Mammoth™ products have been tested by BRANZ and most of the range is covered by BRANZ Appraisal 797.

Download the Mammoth™ BRANZ Appraisal (No. 797) here.

Why does Mammoth™ last so long?

All Mammoth™ insulation products are heatbonded and contain no glues or other materials that may break down over time.

And if you ever need to remove Mammoth™ insulation, our products are 100% recylcable.

*50 Year Warranty applies only to 100% polyester insulation products manufactured by InsulPro and not to other composite products manufactured by InsulPro.