Description

This bulletin outlines the minimum requirements for flashings to comply with E2/AS1 Third Edition incorporating Amendment 5.

Scope

The bulletin covers:

• where flashings are required
• New Zealand Building Code requirements
• selection of flashing materials
• specific flashing requirements, including apron flashings, cap flashings, barge flashings, wall cladding corner flashings, ridge and hip roof flashings, roof penetrations, door and window flashings, horizontal joint or inter-storey junction flashings, flashing vertical junctions between different materials, flashing meter boxes, eaves flashings, saddle flashings and backflashed joints
• installing flashings.