Roof Angles Nz

Divide the first part of the ratio by 12 to work out the pitch.

Roof angles nz.

To convert between american roofing ratios and pitch degrees follow these steps. What degree angle is a 12 12 pitch roof. A 12 12 pitch roof has a pitch angle of 45. They are permitted to be laid to a minimum slope of 1 5 for roofs and 1 slope for decking but with conditions see table 1.

Hip roofs are more expensive to build than a gable roof. A number of new zealand and joint australian new zealand standards cover roof construction roofing materials and components. Pryda build software abides by all established building code requirements including those in the following documents. They determine our compliance with new zealand design standards and the new zealand building code.

New zealand metal roofing manufacturers inc. Roofing type profile style minimum pitch conditions e2 as1 compliant. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. April 2012 nz metal roof and wall cladding code of practice table of contents v 2 2 page 3 table of contents 1 1 0 table of contents 2 0p erformance 3 0 construction load 4 0 d esign 5 0f lashings 6 0p enetrations 7 0i nstallation 8 0 roof drainage 9 0 plastic roof lighting 10 0 pressed metal tiles.

In the situation where a building has two adjacent walls at right angles to each and the roof pitch is 10 degrees or greater the catchment area is equal to 1 1. This result should be referenced to the wind load span design graphs. The new zealand building code sets the minimum performance parameters for the design and construction of roofs. Hip roofs can offer extra living space with an addition of a dormer or a crow s nest.

Two membrane roofing systems butyl rubber and epdm see table 1 comply with acceptable solution e2 as1. On a regular basis pryda build is assessed by independent structural engineering consultants. Minimum roof pitch for roof claddings. Angle the angle of a roof is the same as the roof s slope except instead of being.

There is considerable variation across new zealand and for confirmation a. As nzs 1170 structural design actions. For high wind areas or strong storms a pitch of 4 12 6 12 18 5 26 5 angle is recommended. The width of the soffit and the position of the scaffold in relation to the building determines the method used to utilise the outside and inside standards of a scaffold to support the guardrails.

Find the inverse tangent of the pitch to find the angle in degrees. Roof edge protection using standard scaffolding is outlined in the best practice guidelines for scaffolding in new zealand.