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Drainage Tray

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Removes Moisture from Aluminium Windows

Fits directly under all types of joinery to divert water to outside of building. Made from uPVC for long service life.

BRANZ Approval Cert.No.424(2005)  Satisfies NZ Building Code see below

Suitable for use with 100mm or greater framed walls.  More details here.


  • Leaking joinery

  • Failed jamb seals

  • Failed flashing

  • Moisture from condensation

  • Leaks caused by wind-driven rain

Quote from BRANZ Appraisal Certificate:
". . . will meet or contribute to meeting the following provisions of the NZBC:
Clause B2 Durability:
Performance B2.3.1(b), 15 years.
Clause E2 External Moisture: Performance E2.3.2 and E2.3.5 . . ."

For Detailed Description click HERE

See SillTray's Website for detailed drawings

More details of  BRANZ Approval


Drainage Tray

Full Description


Download BRANZ Certificate

SillTray's Website


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