new build PROJECT OVERVIEW: Building type: 245 square metre detached split level two storey ICF house Location: Dunmore East, Co Waterford Completion date: May 2015 Budget: â‚Ź300,000 total cost excluding site purchase, but including Vat, council levies, self-build insurance & external works. Passive house certification: Uncertified Space heating demand (PHPP): 8 kWh/m2/yr Heat load (PHPP): 10 W/m2 Primary energy demand (PHPP): 109 kWh/m2/yr Airtightness: 0.33 ACH at 50 Pa or 0.4 m3/m2/hr at 50 Pa Energy performance coefficient (EPC): 0.37 Carbon performance coefficient (CPC): 0.385 BER: A3 Thermal bridging: Kingspan Aerobord foundation system, Amvic insulated concrete formwork. All junctions as per Amvic ICF thermal bridge-free details, thermally broken window frames, Calculated Y Value: 0.001 W/mK Ground floor: Kingspan Aerobord foundation system consisting of three layers of EPS 100 with 400mm deep ring beam to carry ICF. U-Value: 0.10 W/m2K
SELECTED PROJECT DETAILS Client, project manager & QS: John Carney M&E engineer: Dick Power Passive house & airtightness consultant: Passive House Builders MVHR: ProAir Electrical contractor: Chris Orpen Insulated concrete formwork: Amvic Ireland
Roof insulation: Knauf Insulated foundation system: Kingspan Aerobord Airtightness products: Siga Windows and doors: Munster Joinery External rendering: DMC Plastering Fit out & furniture: DFL Joinery Groundworks, drainage & substructure: Power Ground Works
Walls: Weber external render on 100mm Neopor graphite EPS insulation mechanically fixed to Amvic ICF system, comprising 63mm Neopor graphite EPS, 150mm concrete core (200mm core on retaining walls), 63mm Neopor EPS, finished inside with 15mm Gypsum Rigidur boards on 15mm metal top hat. U-value: 0.13 W/m2K Roof: Tegral Thrutone fibre cement slates externally on 50x35 battens/counter battens, followed underneath by breathable bitumen impregnated sarking board, 500mm timber attic truss fully filled with Knauf Earthwool Insulation, 15mm taped & sealed OSB, 50mm uninsulated service cavity, 12.5mm plasterboard ceiling. U-value: 0.10 W/m2K Windows: Munster Joinery triple-glazed argon filled Passiv aluclad windows. Overall U-value: 0.79 W/m2K Heating: One electric storage heater set on night rate electricity in the centre of the house. Dimplex electric fire plus electric panel heaters in the bedrooms. Electric Devi matts in the bathrooms. 30 Kingspan Thermomax solar vacuum tubes supplying separate 300 litre domestic hot water tank. Ventilation: Pro Air PA 600 mechanical ventilation with heat recovery system with rigid ducting
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