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PRODUCTS

205 WINDOW MATERIALS SPECIFICATION
• Minimum BRE 'Green Guide to Specification Online' rating: Submit proposals.

250 WOOD WINDOWS
• Standard: To BS 644.
• Manufacturer: A firm currently registered under a third party quality assurance
scheme.
• Exposure category to BS 6375-1/ Design wind load: site specific.
• Operation and strength characteristics: To BS 6375-2.
• Timber: Generally to BS EN 942.
- Species: site specific.
- Appearance class: J10 for glazing beads, drip mouldings and the like. J40 or
better for all other members.
- Moisture content on delivery: 12-19%.
• Preservative treatment: site specific.
• Finish as delivered: site specific.
• Glazing details: Insulating glass units incorporating low emissivity glass; site specific.
- Beading: site specific.
• Ironmongery/ Accessories: site specific.
• Fixing: Built in with cramps as clause 780.

315 STEEL WINDOWS
• Standard: To BS 6510.
- Material: Hot rolled form carbon steel.
- Window section: site specific.
• Exposure category to BS 6375-1/ Design wind load: site specific.
• Operation and strength characteristics: To BS 6375-2.
• Finish as delivered: site specific.
• Glazing details: Insulating glass units incorporating low emissivity glass; site specific.
- Beading: site specific.
• Ironmongery/ Accessories: site specific.
• Fixing: site specific.

335 ALUMINIUM WINDOWS
• Standard: To BS 4873.
• Exposure category to BS 6375-1/ Design wind load: site specific.
• Thermal improvement: Required.
• Finish as delivered: Polyester powder coating to BS 6496.
• Glazing details: Insulating glass units incorporating low emissivity glass; site specific.
- Beading: site specific.
• Ironmongery/ Accessories: site specific.
• Fixing: site specific.

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