Merry Christmas! We are closed for the Holidays from 22nd Decembe
Merry Christmas! We are closed for the Holidays from 22nd Decembe
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  • ABOUT PIR
  • Products
    • Insulation Board
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    • Accessories
    • ACE Wall
  • Fixing Details
    • DIRECT FIXING
    • FIXING TO BATTENS
    • FIXING BETWEEN STUDS
    • PROFILED CUT ROOF BOARD
    • INSULATED PRECAST SYSTEM
    • WARM ROOF SYSTEM
    • NEW ROOF
    • RETROFIT
    • CEILING
  • Gallery
  • FAQ
  • Documents
  • Contact Us
  • More
    • Home
    • ABOUT PIR
    • Products
      • Insulation Board
      • Profile Board
      • Accessories
      • ACE Wall
    • Fixing Details
      • DIRECT FIXING
      • FIXING TO BATTENS
      • FIXING BETWEEN STUDS
      • PROFILED CUT ROOF BOARD
      • INSULATED PRECAST SYSTEM
      • WARM ROOF SYSTEM
      • NEW ROOF
      • RETROFIT
      • CEILING
    • Gallery
    • FAQ
    • Documents
    • Contact Us
  • Home
  • ABOUT PIR
  • Products
    • Insulation Board
    • Profile Board
    • Accessories
    • ACE Wall
  • Fixing Details
    • DIRECT FIXING
    • FIXING TO BATTENS
    • FIXING BETWEEN STUDS
    • PROFILED CUT ROOF BOARD
    • INSULATED PRECAST SYSTEM
    • WARM ROOF SYSTEM
    • NEW ROOF
    • RETROFIT
    • CEILING
  • Gallery
  • FAQ
  • Documents
  • Contact Us

RETROFIT

The above detail depicts PIR insulation between the rafters at roof level. This is considered a 'warm roof' application, maintaining the roof space at similar temperature to the room below. However, in this application the rafters act as a thermal bridge. Therefore, this is less efficient compared to a 'new roof' where PIR insulation is installed above the rafters. The roof cavity is warm.

  • Contact Us

CNZ Insulation

49 Hammersmith Drive, Wigram, Christchurch 8042

021 902 412

Copyright © 2021 CNZ Insulation - All Rights Reserved

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