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PRODUCT AND WHERE USED MANUFACTURER ALTERNATIVES CONSIDERED REASONS FOR FINAL CHOICE 6mm birch ply - ceilings throughout Earthship Lathams, Dricon Fireproofing Plasterboard PEFC accredited timber. Cost effective. Worked well with 'Dricon' organic fireproofing process Bottles and cans - tyre infill Magpie Recycling Low-impact reuse of a waste material DPM: Rawmat - bentonite clay - damp-proofing the 'hut' Rawell Environmental Visqueen 1200 gauge plastic Self-healing 'smart clay' DPM: Visqueen 1200 Gauge Heavy Plastic - damp-proofing the 'nest' Visqueen Rawmat A cheaper alternative to Rawmat; less sensitive to weather Eco-cement - all non-structural cement applications Tececo Has a lower environmental impact; opportunity to pioneer a new cement technology in the UK Rainwater Storage: Eco-Vat tanks Polypipe Civils Manufacturer offered to donate the tanks/pipes Windows: Double glazed laminated argon filled with low E coating. Solar panel on flat roof above bedroom Saint-Gobain 'Sola Glas' Pilkingtons Manufacturer offered to sponsor the project by donating the materials Insulation: Roof void - Rockwool Roll Rockwool Warmcel cellulose insulation.

Thermafleece sheep's wool Manufacturer offered to sponsor the project by donating product Insulation: Yelofoam X2i extruded polystyrene ('thermal wrap') Cellecta Thermal conductivity of 0.029.

Moisture resistant and high compressive strength Meeting room and kitchen floors - Portland Stone Albion Stone Manufacturer donated lots of off-cuts from the ends of 'veins' of stone they were quarrying in Portland Doors and floorboards - all internal doors and floorboards reclaimed Wood Recycling Project Local source of good quality reclaimed timber and doors Gutters/roofing and lining, greywater planters; Flagon EP/PR TPO single-ply membrane Flag UK Various EDPM membranes;

Sarnafil TPO Membrane Flagon membrane has potable water certification Roof and battery box doors: CA 32 1000r Steel Profile Roof C.A. Group Manufacturer sponsored the project by donating and sourcing subcontractor 'Brandclad' to install materials. Fast to fit Interior lighting and passive ventilation - Sun-pipes Monodraught Manufacturer sponsored the project by donating materials Photovoltaic panels: Unisolar Unisolar - output 1.116kW peak Accredited by Energy Saving Trust. Very robust panel.

Works well in diffuse light Solar Thermal Hot Water System 4m 2 Filsol 210 litre twin coil system Accredited product through DTI's 'Clear Skies' programme Wind Turbine 900W Whisper H40 Accredited product through DTI's 'Clear Skies' programme

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