This modern profile metal sheet roofing is an example of a lightweight roof cladding.
Nzs 3604 roof framing.
10 1 11 the building envelope wall and roof claddings.
It provides methods and details that are used to design many nz timber framed houses and small buildings including many residential decks.
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.
You can follow nzs 3604 for structure and e2 as1 for the roof and wall claddings.
B buildings shall be category iv or v buildings see table 1 1.
Builders architects engineers designers and students will find it useful.
Print timber framed buildings.
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.
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.
10 roof framing 11 building envelope roof and wall claddings 12 interior linings 13 ceilings additional information normative.
Nzs 3604 is new zealand s most sought after standard.
Nzs 3604 is used to design most homes and other low rise timber framed buildings in new zealand.
A buildings shall be founded on good ground.
1 and 2 new zealand standard timber framed buildings superseding nzs 3604 1990 and nzmp 3600 part 1 1992.
Nzs 3604 1999 incorporating amendment no.
The bracing requirementfor monopitch roofs is addressed in nzs 3604 2011 timber framed buildingsparagraph 10 3 4.
Current the latest up to date edition.
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.