Masons Roof Underlays – VHP Strong, VHP Ultra, VHO Maxi, UNI FR

Abbreviation
CM70093
Valid from
4/02/2021

Information provider
Ministry of Business, Innovation and Employment
Author
Bureau Veritas Australia Pty Ltd
Information type
Product Certificate (CodeMark)
Format
PDF

Description

Masons roof underlays are manufactured from synthetic multi-laminate spun-bonded, non-woven polypropylene membranes. This certificate covers the following products:

  • VHP Strong (140 gsm)
  • VHP Ultra (180 gsm)
  • VHP Maxi (220 gsm)
  • UNI FR (180 gsm)

Masons Roof Underlays are for use as a self-supporting roofing underlay and as a flexible air barrier.

Scope

1. Masons Roof Underlays are certified for use as a roof underlay and air barrier:

  • a) on buildings situated in wind zones up to and including Extra High (as set out in NZS3604) with a minimum roof pitch of 3°,
  • b) under masonry or metal tile and profiled metal roof claddings,
  • c) in all locations including where it is exposed to view.

2. Masons Roof Underlay shall be:

  • a) installed in accordance with Masons Roof Underlay Installation Instructions Version 1.0, Jan 2021, and
  • b) installed run vertically or horizontally with or without support for roof pitches greater than 10°, run horizontally with or without support or run vertically with support for roof pitches less than 10°, provided that support is provided where the span is greater than 1200mm, and
  • c) protected from direct sunlight within 21 days of installation (30 days for UNI FR).
For assistance with locating previous versions, please contact the information provider.
View on Information Provider website Download this resource (PDF, 674KB)
For assistance with locating previous versions, please contact the information provider.
This resource is not cited by any other resources.

Masons Roof Underlays – VHP Strong, VHP Ultra, VHO Maxi, UNI FR

This document is not CITED BY any other resources:

Masons Roof Underlays – VHP Strong, VHP Ultra, VHO Maxi, UNI FR

Description

Masons roof underlays are manufactured from synthetic multi-laminate spun-bonded, non-woven polypropylene membranes. This certificate covers the following products:

  • VHP Strong (140 gsm)
  • VHP Ultra (180 gsm)
  • VHP Maxi (220 gsm)
  • UNI FR (180 gsm)

Masons Roof Underlays are for use as a self-supporting roofing underlay and as a flexible air barrier.

View on Information Provider website Download this resource (PDF, 674KB)
Masons Roof Underlays – VHP Strong, VHP Ultra, VHO Maxi, UNI FR
Description

Masons roof underlays are manufactured from synthetic multi-laminate spun-bonded, non-woven polypropylene membranes. This certificate covers the following products:

  • VHP Strong (140 gsm)
  • VHP Ultra (180 gsm)
  • VHP Maxi (220 gsm)
  • UNI FR (180 gsm)

Masons Roof Underlays are for use as a self-supporting roofing underlay and as a flexible air barrier.

View on Information Provider website Download this resource (PDF, 674KB)
This resource does not cite any other resources.

Masons Roof Underlays – VHP Strong, VHP Ultra, VHO Maxi, UNI FR

This resource does not CITE any other resources.
Feedback