Section 3.2

Roof Pitch	Construction Requirements
15°	Minimum pitch.
Pitch >=15° - <19° 48'	Sarking required.
Pitch >=19° 48' - <27°	Recommended sarking.
Pitch >=27°- 36°	Recommended sarking. Standard fixing. Perimeter scaffolding or guard rail to be supplied by builder.
Pitch >=36°	50 x 38 mm minimum batten required. Mechanical fixing every tile. Perimeter scaffolding or guard rail to be supplied by builder.

NOTE:

Regardless of pitch, all roofs in areas of design wind velocity >47 metres per second should be sarked.