Description

Gerard Concealed Fastening Roofing Systems are available in four different pressed metal roofing tile profiles with a stone-coated surface and a range of finishing colours.

The pressed metal roofing tiles and flashing accessories form a roofing system installed over roofing underlay and solid plywood sheathing. CF Shingle, CF Shake and CF Slate can also be installed over roofing battens instead of plywood.

The tiles are branded with ‘Ross Roof Group Ltd’ on the underside of the tile.

Scope

Gerard Concealed Fastening Roofing Systems have been appraised as a roof cladding for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1, with regard to floor plan area and building height; and,
• situated in NZS 3604 Wind Zones up to, and including, Extra High; and,
• constructed with timber roof framing and timber battens specified in this Appraisal; and,
• with a minimum roof pitch of 15° and a maximum roof pitch of 60° for CF Shingle, CF Shake and CF Slate; or,
• with a minimum roof pitch of 10° and a maximum roof pitch of 60° for Calibre.