Roof tiles, complying with AS 2049, must be installed, fixed and flashed in accordance with the relevant provisions of this Part.
Roof tiles on roofs with a pitch of not less than 15 degrees and not more than 35 degrees must be fixed in accordance with Open link in same pageFigure 184.108.40.206.
Fixings for roof battens and batten sizes must comply with Open link in same pagePart 3.4.3.
Lead Open link in same pageflashings must not be used on any roof that is part of a potable water catchment area.
Sarking must be installed under tiled roofs in accordance with Open link in same pageTable 220.127.116.11b.
Where sarking is installed, an anti-ponding device/board must—
on roofs with pitches of less than 20°; and
on all roof pitches where there are no eaves overhang; and
be fixed along the eaves line from the top of the fascia back up the rafter with a clearance of approximately 50 mm below the first batten.
All water discharged from a gutter/valley or downpipe onto a tiled roof must be prevented from inundating or penetrating the tiling by the provision of—
a spreader pipe; or
a flashing; or
sarking installed with a minimum width of 1800 mm either side from the point of discharge and extended down to the eaves gutter.
MINIMUM MECHANICAL FASTENING FOR TILES AND ANCILLARIES
|Wind classification||Tile installation||Ancillary installation|
|Edge of roof||Field of roof||Ridge, hip and barge tiles|
|less than N2||Mechanically fasten each full tile in second course and then every second tile in every course, or every tile in each alternative course.||Mechanically fasten each tile|
|N2—N3||Mechanically fasten each full tile in second course||Mechanically fasten each second full tile in every course|
TILED ROOF FLASHING AND OTHER DETAILS
|Diagram a.||Mechanical fastening-ridge clip (Also see Open link in same pageFigure 18.104.22.168)|
|Diagram b.||Dry valley||Diagram c.||Bedded and pointed valley|
|Diagram d.||Fastening of hip tiles|