NCC 2019 Volume Two
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Part 3.5 Roof cladding, gutters and downpipes and wall cladding

Part 3.5 Roof cladding, gutters and downpipes and wall cladding

Explanatory information:

Explanatory information:

This Part contains requirements including weatherproofing and structural requirements, for roof and wall systems. Gutter and downpipe requirements are also contained in this Part.

It should be noted that other construction methods may be used to achieve the same results as specified in this Part provided they comply with the appropriate Performance Requirement.

3.5.0.1 Explanation of terms

The following diagrams depict relevant roofing and supporting members and associated terminology used to describe them in the Housing Provisions.

In most cases the terminology is applicable for both steel and timber frame members.

Figure 3.5.0.1 Section of a typical sheet roof
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Figure 3.5.0.2 Section of a typical tile roof
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