Nzs 3604 Roof Framing

A buildings shall be founded on good ground.

Nzs 3604 roof framing.

Very little area was often left as the body of the roof and it proved unrealistic to expect designers and installers to determine when and where extra fixings were required. This modern profile metal sheet roofing is an example of a lightweight roof cladding. The bracing requirementfor monopitch roofs is addressed in nzs 3604 2011 timber framed buildingsparagraph 10 3 4. The rafter span is 3 000 m and because this is a light roof the far right column of nzs 3604 2011 table 10 1 rafters for all wind zones see figure 2 can be used for rafter spacings at 1200 mm see note 4 in table 10 1.

It is aligned with as nzs 1170 structural design actions and is referenced in acceptable solution for building code clause e2 external moisture e2 as1. It provides methods and details that are used to design many nz timber framed houses and small buildings including many residential decks. B buildings shall be category iv or v buildings see table 1 1. Nzs 3604 is new zealand s most sought after standard.

Simply stated it requires that bracing for monopitch roofs must comply with paragraphs 10 3 2 for light roofs or 10 3 3 for heavy roofs but it also includes an exemption. Nzs 3604 is used to design most homes and other low rise timber framed buildings in new zealand. 10 1 11 the building envelope wall and roof claddings. Print timber framed buildings.

Current the latest up to date edition. You can follow nzs 3604 for structure and e2 as1 for the roof and wall claddings. In the previous version of nzs 3604 purlin tables provided for extra fixings around roof edges and ridges reflecting the greater wind uplift in these areas. 1 and 2 new zealand standard timber framed buildings superseding nzs 3604 1990 and nzmp 3600 part 1 1992.

Builders architects engineers designers and students will find it useful. Nzs 3604 1999 incorporating amendment no.