BU561 Timber-frame parapets, balustrades and columns (2013)

Care is required when detailing timber-framed parapets, solid framed balustrades and framed columns to ensure the completed element will be weathertight. This bulletin addresses ways to design and construct timber-framed parapets, balustrades and columns using E2/AS1 Third Edition (including Amendment 5) as a means of compliance.

This bulletin updates and replaces Bulletin 466 of the same name.

The bulletin covers:

• Building Code requirements
• cavity requirements
• framing treatment
• parapet and balcony capping, including capping materials, metal capping, metal capping joints and concealed membrane capping details
• parapets and balustrades
• timber-framed columns.