Description

A flat, smooth, single lap interlocking design, whose appearance is enhanced by the required broken bond laying pattern.

• Minimum Pitch: 22.5° Smooth (75mm headlap), 17.5 Smooth (100mm headlap), 30° Granular (75mm headlap), 25° Granular (100mm headlap)
• Maximum Pitch: 90°
• Size of Tile: 420mm x 330mm
• Minimum Headlap: 75mm
• Maximum gauge: 345mm
• Tile Thickness: 30mm (nominal)
• Cover width: 292mm (nominal)
• Hanging length: 397mm (nominal)
• Covering Capacity (net): 9.9 tiles/m2 at 75mm headlap, 10.7 tiles/m2 at 100mm headlap
• Weight of Tiling: 50kg/m2 (0.49 kN/m2) at 75mm headlap, 54kg/m2 (0.53 kN/m2) at 100mm headlap
• Battens Required: 2.9 lin.m/m2 at 75mm headlap, 3.1 lin.m/m2 at 100mm headlap
• Recommended Batten Size: 38mm x 25mm for rafters/supports not exceeding 450mm centres (fixed to BS 5534), 50mm x 25mm for rafters/supports not exceeding 600mm centres (fixed to BS 5534)
• Tile Nails: 50mm x 3.35mm
• Fixing Clips: Eaves, verge and tile clips
• Authority: BS EN 490

Modern should be laid broken bond. The
required broken bond pattern is created by
the introduction of half slates, to form verges
and abutments in alternate courses. Purpose
made half slates are available and can be
formed on site by cutting along the scoreline.