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Seal out the sound: a smarter inter-tenancy choice with Knauf Insulation R2.2

1 June 2026

3 minutes to read

Seal out the sound: a smarter inter-tenancy choice with Knauf Insulation R2.2

If you’re building townhouses, apartments or duplexes, inter-tenancy walls are a critical component in achieving comfort and acoustic compliance. When selecting the infill insulation for your acoustic wall systems, choose Knauf Insulation R2.2 acoustic wall insulation from CARTERS and give your clients quieter, more efficient homes. 

Knauf Insulation’s R2.2 acoustic wall insulation, now an approved alternative for use in inter-tenancy wall systems, gives New Zealanders more choice without compromising acoustic performance and market leading material properties. This substitution is supported by system providers and a statement of equivalence from Marshall Day Acoustics.

Why choose Knauf Insulation glasswool?

  • Acoustic assurance: Helps achieve inter-tenancy noise control targets for multi‑dwelling designs. 
  • Thermal efficiency: R2.2 wall performance to support energy goals and occupant comfort. 
  • Sustainability focus: Manufactured with sustainability front-of-mind to support project ESG objectives. 
  • Premium handling: Clean, consistent, and easy to cut and install for faster, neater walls. 
  • Trusted support: Local technical guidance, specification resources and test data to streamline design. 

Proven in a range of acoustic system, Knauf Insulation R2.2 wall insulation has already been successfully installed in multi-dwelling projects around the country—delivering building code compliance, strong thermal performance and healthier, more comfortable homes for residents. 

Ready to specify or order? Talk to your CARTERS Account Manager or visit knauf.com and watch as the team create a complete thermal and acoustic solution for a Christchurch multi-dwelling project using a selection of Knauf Insulation’s products. Visit knauf.com for more information.

For more information see:
Knauf Insulation

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