Nzs 3604 Roof Framing

You can follow nzs 3604 for structure and e2 as1 for the roof and wall claddings.

Nzs 3604 roof framing.

Nzs 3604 is new zealand s most sought after standard. Nzs 3604 sets down construction requirements for timber framed buildings within the limitations specified in 1 1 2 nzs 3604 applies only to buildings within the following limitations this is not a complete list. B buildings shall be category iv or v buildings see table 1 1. 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.

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. Print timber framed buildings. A buildings shall be founded on good ground. Lightweight roof claddings generally for residential structures built according to nzs 3604 2011 timber framed buildings a lightweight roof cladding is considered to have a mass no greater than 20 kg m.

It provides methods and details that are used to design many nz timber framed houses and small buildings including many residential decks. 1 and 2 new zealand standard timber framed buildings superseding nzs 3604 1990 and nzmp 3600 part 1 1992. 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. 10 1 11 the building envelope wall and roof claddings.

Nzs 3604 1999 incorporating amendment no. Current the latest up to date edition. Builders architects engineers designers and students will find it useful. 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.

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.