•  The BRANZ appraisal is the New Zealand Construction Industry’s independent testing authority for building products.
  • Having this seal of approval means the product is backed by and specified by councils nationwide. 
  • Weatherdek is one of only two PVC vinyl waterproofing membranes in New Zealand that have the BRANZ appraisal.
  • With over 10 years of waterproofing decks in New Zealand, and a 15 year manufacturer’s warranty added to that, Weatherdek is a brand you can trust.

Classic, Marble, Tile and Designer all come with a 5 year limited warranty on the material. Designer and Classic Plus comes with a 15 year limited warranty on the material. If leakage occurs within the 5 or 15 year period respectively, Weatherdek will at its option:

a) replace or repair that area which is determined to be defective.
b) or refund to the Owner a portion of the original purchase price that is equal to the percentage of time remaining on the warranty when written notice of the problem was received by Weatherdek.


  • Your installer will provide a 5 year workmanship warranty, and come and repair or replace anything that may happen due to errors with the installation.