Watertight Roof Underlay

Abbreviation
Appraisal number 938
Amendment
31 January 2019
Valid from
20/12/2017

Information provider
´╗┐BRANZ Limited
Information type
BRANZ Appraisal
Format
PDF

Description

Watertight Roof Underlay is a synthetic building underlay for use under roof claddings.

The product consists of a micro-porous water-resistant polypropylene film laminated between two layers of spun-bonded polypropylene and is coloured grey.

Scope

Watertight Roof Underlay has been appraised for use as a roof underlay on buildings within the following scope:

  • the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area; and,
  • with masonry tile roof cladding; and,
  • with metal tile roof cladding; and,
  • with profiled metal roof cladding; and,
  • situated in NZS 3604 Building Wind Zones up to, and including Extra High.
For assistance with locating previous versions, please contact the information provider.
View on Information Provider website Download this resource (PDF, 188KB)
For assistance with locating previous versions, please contact the information provider.
This resource is not cited by any other resources.

Watertight Roof Underlay

This document is not CITED BY any other resources:

Watertight Roof Underlay

Description

Watertight Roof Underlay is a synthetic building underlay for use under roof claddings.

The product consists of a micro-porous water-resistant polypropylene film laminated between two layers of spun-bonded polypropylene and is coloured grey.

View on Information Provider website Download this resource (PDF, 188KB)
Watertight Roof Underlay
Description

Watertight Roof Underlay is a synthetic building underlay for use under roof claddings.

The product consists of a micro-porous water-resistant polypropylene film laminated between two layers of spun-bonded polypropylene and is coloured grey.

View on Information Provider website Download this resource (PDF, 188KB)
This resource does not cite any other resources.

Watertight Roof Underlay

This resource does not CITE any other resources.
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