Yes – Insulmax is Certified to insulate the walls of older New Zealand homes! The Insulmax Retrofit Wall Insulation Method is CodeMark certified. CodeMark Certification is administered by the New Zealand Government and is the highest form of product assurance in New Zealand. External auditing by AssureQuality ensures that our high levels of quality are always met. Providing the product is used within the limitations of the certificate, legislation requires that building consent authorities (usually councils) must accept a CodeMark certificate as evidence of compliance with the building code. Building owners and designers can have increased confidence in the Insulmax product and method and be assured of a smoother compliance pathway. CodeMark is the highest form of certification in New Zealand and is an unchallengeable form of product assurance. The Insulmax Retrofit Wall Insulation Method is CodeMark certified to be used in all existing (not new) buildings in New Zealand of any construction type or style. Learn more about CodeMark Certification