BU573 Flexible wall underlays
- Abbreviation
- BU573
- Valid from
- 1/06/2014
- Information provider
- BRANZ Limited
- Information type
- BRANZ Bulletin
- Format
Description
This bulletin focuses on the performance, specification and installation of flexible wall underlays applied to wall framing.
Scope
The bulletin covers:
- function of wall underlays
- codes and standards
- performance parameters
- specifying a wall underlay
- installation, including important installation requirements, fixing, limiting exposure to weather, intermediate restraints and flashing tape
- factors affecting performance.