Casa Paula has LEED certified Canadian NUDURA technology of incorporating the formwork within the construction, no wood waste. The 2” styrofoam slabs are insect and fire resistant as well as heat and sound insulation. The foundation is floating concrete slab on top off recycled plastic stools for flood protection and Radon gas resistance. Roof is all metal Standing Seam design to reduce water penetration, painted with highly reflective white paint. Ceiling space is filled with 6” fiberglass insulation against heat and sound. 18 Evergreen ESA 210 PV panels installed producing: 18X200Kw=16Kw/day=3600Kwh/month (25 year warranty). 150 liter solar hot water heater. Reserve 750 liter potable water tank. All faucets sinks and showers plumbed with potable water, violets and outside faucets plumbed with grey water. House meets or exceeds all Architectural Codes for sustainability with extra points available.