Watertight Platinum Plus Roof Underlay

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Abbreviation: Appraisal number 1073 (2020)
Amendment: 15/04/2021
Valid from: 19/10/2020

Information provider: BRANZ Limited,
Information type: BRANZ Appraisal,
Format: PDF,

Description

Watertight Platinum Plus Roof Underlay is a synthetic building underlay for use under roof claddings. The underlay consists of a micro-porous, water-resistant film laminated to two-layers of non-woven, spun bonded polyolefin and is coloured black on top and grey on the bottom.

Scope

Watertight Platinum Plus 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 for timber-framed buildings; or,
the scope limitations of NASH Building Envelope Solutions, Paragraph 1.1 for steel-framed buildings; and
with masonry tile roof cladding; and,
with metal tile roof cladding and 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.

Notes/comments

This Appraisal has been amended to include information about self supportive properties.

View on Information Provider website Download this resource (PDF, 716KB)

For assistance with locating previous versions, please contact the information provider.

This Appraisal has been amended to include information about self supportive properties.

This resource is not cited by any other resources.