Parka Wrap

If you are looking for a comprehensive deep retrofit upgrade of your existing home, then the Parka Wrap approach is certainly a method to consider. 

The initial ARA – ParkaWrap AOTEAROA HOME RETROFIT PILOT house outlines the six fundamental principles for low-energy, health-centric homes.

  1. Energy Modelling
  2. Airtightness – installed by Enstall
  3. Mechanical Ventilation
  4. Insulation – installed by Enstall
  5. Replacement windows and doors – Installed with the assistance of Enstall
  6. A fresh protective cladding

The Parka Wrap House project aimed to upgrade a standard house by retrofitting external wall insulation. The goal was to enhance thermal performance while allowing occupants to remain during construction.  With around 20,000 houses built annually in New Zealand, refurbishing existing homes becomes crucial for the future of our housing stock.

Challenges that were faced and met:

  1. ​Occupant Retention: Ensuring residents stay in the building throughout with limited disruption.

  2. Thermal Enhancement: Improving insulation without compromising durability.

  3. Practical Application: Real-world outcomes from research.

  4. Testing and Validation: Rigorous testing to prove effectiveness.

The focus was initially on weatherboard walls but holds potential for other wall types. With around 20,000 houses built annually in the nation, refurbishing existing structures becomes crucial for the future housing stock.

​Design Approach:

  • ​Overlaying high-performance materials onto existing external walls.

  • Utilising existing cladding as a substrate.

  • Key components: Solitex Adhero, Rockwool insulation, battens, and new cladding.

  • Strategic window choice for a significant performance boost

The Parka Wrap House project showcases innovation in retrofitting for a more sustainable and energy-efficient future. Find out more at the ARA Parka Wrap website.

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Materials and systems installed by: Enstall

​Airtightness Products: Pro Clima Extasana Adhero – applied to the outside face of the existing weatherboards

Clip & batten:  Parka Wrap proprietary clip, rail, and base strips for fixing of cladding system

Insulation Products: ROCKOOL 60mm Boards & Enertherm PIR 60mm boards

Replacement Windows:  Starke Ambiance uPVC system together with Parka Warp proprietary window cam, and ProClima flashing/seal tapes systems