Page 224 - McD_6118-AEW-XX-XX-NBS-A-001_Neat

120 CONCRETE ROOF TILING WITH COUNTERBATTENSgenerally
• Substrate: site specific arfter design.
• Pitch: site specific.
• Underlay: Contractor's choice.
- Recycled content: Submit proposals.
- Direction: Parallel to eaves.
- Head-lap (minimum): 150 mm.
• Counterbattens:
- Size: site specific.
- Fixing: site specific.
• Battens:
- Size: site specific.
- Fixing: site specific.
• Tiles: To BS EN 490, interlocking.
- Manufacturer: site specific.
Product reference: site specific.
- Colour: site specific.
- Size: site specific.
- Recycled content: Submit proposals.
- Head-lap: site specific.
- Fixing:
Fixing of local areas: site specific.
Fixing of general areas: site specific.
• Accessories: site specific.

130 RECONSTITUTED SLATE ROOF TILING WITH COUNTERBATTENSgenerally
• Substrate: site specific rafter design.
• Pitch: site specific.
• Underlay: Contractor's choice.
- Recycled content: Submit proposals.
- Direction: Parallel to eaves.
- Head-lap (minimum): 150 mm.
• Counterbattens:
- Size: site specific.
- Fixing: site specific.
• Battens:
- Size: site specific.
- Fixing: site specific.
• Tiles:
- Manufacturer: site specific.
Product reference: site specific.
- Colour: site specific.
- Size: site specific.
- Recycled content: Submit proposals.
- Head-lap: site specific.
- Fixing: Nail every tile.
• Accessories: site specific.

RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01