Roof-to-wall junction - Build 160(2017)
- Roof-to-wall junction
- Valid from
- Information provider
- BRANZ Limited
- Information type
- BUILD article
Article on roof to wall junctions.
New Zealand Building Code Clause E2 External moisture requires that roofs and external walls must prevent the penetration of water that could cause undue dampness, damage to building elements or both.
The roof/wall junction where a roof finishes within the length of an adjacent wall, combines different planes, angles and building materials, requiring careful detailing to ensure water cannot enter the building structure.
BRANZ is sometimes asked how to detail roof-to-wall junctions. The detailing can be tricky, but following the Acceptable Solution and these step-by-step illustrations will help.