The north facing back of the house will be concrete slab. The south facing part will be floorboards. When the architects did the energy assessment, they found the concrete in the front of the house would have detracted from the thermal performance of the home.
- Greywater - Wattworks SmartPit Grey Water System
- Concrete - choice of Eco Cement, Eco Blend Cement or Envirocrete
- Blockwork - Aerated Autoclaved Concrete (Hebel)
- Rainwater tank - this was going to be 22,500 litres underground but will now be about half of this above ground (cost saving)
- Floorboards - recycled Messmate
- Timber fascias and deck - Silvertop Ash
- Insulation - roof: R5.0 of Aus-Poly batts from Enecon; Aircell Insulbreak 65 between battens and roofing
- Insulation - internal stud walls of bathrooms R2.0 Autex QuietStuff batts
- Insulation - external stud walls R2.5 Tontine Batts or R2.5 Autex GreenStuff thermal batts
- Insulation - under ground floor timber framed floors Super 15 Foil Board insulation panels
- Draft proofing - Rave RP3 weather strips
- Sarking for external stud walls - AirCell insulbreak 65 under metal cladding