Corrosion rates in vented roof cavities - Build 187 (2021)

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Abbreviation: Corrosion rates in vented roof cavities - Build 187 (2021)
Valid from: 1/12/2021

Information provider: BRANZ Limited
Author: Stephan Rupp
Information type: BUILD article
Format: Website, PDF

Description

BRANZ research has provided reassuring results for those wanting to add passive ventilation in roof cavities to counter condensation. Corrosion of metal fixings inside the roof space remains low, even in extreme marine environments.

Over the years, BRANZ has released many publications on passive roof space ventilation, and the topic is still attracting a lot of interest from the industry.

BRANZ Bulletin 630 Roof space ventilation is a good place to start when seeking to understand the intricacies of providing a well-vented roof cavity.

Scope

This article includes:

Does ventilation increase corrosion in roof?
Cold roofs can have condensation issues
Extreme environment selected for study
Samples left for 1 year
Corrosion rates measured
Results reassuring

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

View on Information Provider website Download this resource (PDF, 1.8MB)

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

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