- L1 Ground treatment and retention
- L2 Complete construction entities & components
- L3 Structural space & division products
- L4 Access, barrier & circulation products
- L5 Coverings, claddings, linings
- L6 General purpose construction fabric products
- L7 Services
- Rainwater harvesting
- Grey water recycling
- Water treatment
- Sustainable water irrigation
- Taps
- Showers
- Waterless urinals
- WCs
- Above / below ground waste pipes
- Rainwater pipes and fittings
- Channels, gullies and gratings
- Wind turbines
- Photovoltaic (PV) cells, modules
- Lighting
- Boilers and stoves
- Solar hot water collectors
- Heat pumps and exchangers
- Ventilation / extraction
- Underfloor heating
- Services supports and enclosure
- L8 Fixtures & fittings
Building Products
Photovoltaic (PV) cells, modules
| Product | Manufacturer | ||
 |
C21e: Solar electric roof tiles (blue & black)
PV tile, 52W output |
solarcentury | |
 |
Kalzip AluPlusSolar 68W & 136W solar roof
Integrated PV / alumnium profiled roofing system |
Corus Building Systems | |
 |
Marley Eternit SolarTile
PV slate, 23W output |
Marley Eternit Ltd | |
 |
Sanyo HIP-240-HDE4 (HDE Series)
PV modules, monocrystalline, 240W rating |
Sanyo c/o Solar Century | |
 |
Sharp ND175E1 (ND Series)
PV module, monocrystalline, 175 W ratings |
Sharp Electronics | |
 |
Solar Century 'Sunstation'
PV roof module system for domestic use |
solarcentury |