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Green Smart Magazine : GreenSmart 2010
smarthomes 'Every effort was made to use "standard" size materials to minimise waste,' Jason says. All materials selected are from renewable sources where possible, based on their environmental impact, allergenic qualities, accessibility, thermal qualities and affordability. Austral Bricks clay face-bricks are chosen for construction, as they are manufactured locally to minimise transportation. They are also 100 per cent recyclable. Any excess bricks were recycled by Midland Bricks. > 'Importantly, the double clay bricks absorb the winter warmth and radiate it back at night. We chose tiling on the floors to achieve this as well,' Jason explains. Pine timber roof trusses are from plantation sources, and also minimise waste because the trusses are fabricated in a factory. 'Additionally, the pine captures and stores carbon when it is growing, which assists in carbon reduction in the atmosphere,' Jason says. For water efficiency, there's a greywater system and two x 1620-litre interconnected rainwater tanks that service the water supply to the two toilets and laundry. Each tap and toilet has a four-star rating, while the low- maintenance, native gardens are watered by the greywater system through the roots. For energy, the house uses a Solahart 302Kf Free Heat solar hot water system, LEFT: Clay bricks are chosen because they are locally produced and recyclable. THE HOUSE IS DESIGNED TO TAKE ITS OWNERS SEAMLESSLY FROM BIRTH TO DEATH greensmart 2010 39 • Good insulation in the roof and walls, together with thermal mass in the floor, walls and/or ceiling will help houses stay cool in hot weather. • Good northern orientation will help your house stay warm in winter and cooler in summer. • Incorporate openings such as doors or windows on the east to south-west sides of the house to capture breezes. • Incorporate living areas to the north-east and north to allow winter sun to penetrate the thermal mass inside the house, slowly releasing the warmth during cold nights. • Effective shading is needed to the east and west windows for long periods of the year, while effective north shading is only required in the summer months. • Shield the house from cold winter winds with plants or vegetation on the north and west. ideas everyone can use