reducing waste. The roof is insulated with Kingspan Air-cell and R3.5 batts. R3.5 batts were also added to the existing ceiling. New lightweight walls are insulated with R2 batts and sisalation and the floor is fitted with new R2 insulation. All new windows are painted Australian timber frames with low E clear . The house uses low energy . The existing floor ducted gas heating system was retained and reworked to suit the alterations
