Size:
• Depends on the glass strength, as the glass is without structural profiles
...(Indus can be supplied with TAS profiles).
Upstand:
• Frame height:
- Fibreglass upstand: 300 mm - 500 mm.
- Upstand (timber): From 200 mm with jumps of 50 mm.
- Frame height is measured vertically.
• Thickness of upstand:
- Fibreglass: 23 mm and 43 mm.
- Timber: 9 mm plywood/45 mm insulation/9 mm plywood.
• Low maintenance coatings: powder coated steel plate in any RAL colour
• Vertical upstand: free light opening= roof opening
• Fibreglass upstand: free light opening= roof opening minus 200 mm.