Building weathertightness will generally be addressed by complying with the Building Code, but can also be dependant on a suitably skilled and experienced construction team.
However, some forms and materials carry a higher risk than others and may be linked with greater costs in order meet Building Code standards. Decisions made at the beginning of the design process can save cost later.
The design of the house should consider weathertightness, ease of maintenance and the durability of materials at the start of the process. Weathertightness risks are greater when:
- Buildings have a high number of complex wall junctions and a range of materials.
- Buildings have upper level decks, particularly within the building footprint of the floor below, and internal gutters.
Design for weathertightness is not about stifling innovation or creating boring buildings. It is about being aware of weathertightness at the beginning of the design process and designing out potential weaknesses.
A good designer will know how to balance the requirements of creating a weathertight building with creating one that is attractive and well articulated.