Page 292 - McD_6118-AEW-XX-XX-NBS-A-001_Neat

J42 Single layer polymeric sheet roof coverings

TYPES OF ROOF COVERING

110 WARM DECK ROOF COVERINGgenerally
• Substrate: site specific.
- Preparation: site specific.
• Roof covering system: site specific.
- Lower protection layer (loose laid): site specific.
- Vapour control layer: Polyethylene sheet .
- Insulation: Aluminium foil faced expanded polystyrene board.
- Separating layer (loose laid): Polyester fleece.
- Waterproof membrane: Ethylene propylene diene monomer (EPDM).
Width: site specific.
Thickness: site specific.
Colour: site specific.
- Upper protection layer (loose laid): Polyester faced fleece.
• Surface protection: site specific.
• Accessories: site specific.

120 INVERTED ROOF COVERING generally
• Substrate: site specific.
- Preparation: site specific.
• Roof covering system: site specific.
- Protection layer (loose laid): Polyester fleece.
- Waterproof membrane: Ethylene propylene diene monomer (EPDM).
Width: site specific.
Thickness: site specific.
Colour: site specific.
- Separating layer (loose laid): Polyester fleece.
- Insulation: Extruded polystyrene boards.
- Filter layer (loose laid): Determined by contractor.
• Surface protection: site specific.
• Accessories: site specific.

130 COLD DECK ROOF COVERINGgenerally
• Substrate: site specific.
- Preparation: site specific.
• Roof covering system: site specific.
- Lower protection layer (loose laid): Polyester fleece.
- Waterproof membrane: Ethylene propylene diene monomer (EPDM).
Width: site specific.
- Thickness: site specific.
- Colour: site specific.
- Separating/ Upper protection layer (loose laid): Two layers polyethylene sheet.
• Surface protection: site specific.
• Accessories: site specific.

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