U-value: 0.13 W/sqmK.įloor: Hardcore, 100mm concrete slab, 200mm insulation, 100mm screed with underfloor heating. Cedar clad finish on timber battens and counter battens with continuous air space, rest of build up same as for corrugated fibre cement. Walls: corrugated fibre cement cladding on timber horizontal battens on breather membrane on 9mm OSB on 140mm timber studs with PIR in between on vapour barrier on 60mm PIR insulation on 50mm service void on 12.5mm plasterboard. Roofs: corrugated fibre cement roof finish on timber battens and counter battens, breather membrane, 80mm PIR insulation on 200mm roofing joists with PIR insulation in between, on vapour barrier on service void and 12.5mm plasterboard finish. John & Leannes’ timber frame home 8 – Small modern family home in Co Downīecause John and Leanne O’Connor couldn’t build their house to face the sun, for planning reasons, they used fin shaped walls to coax sunlight back inside. Heating and hot water: air source heat pump, underfloor heating throughout Windows: triple glazed, argon filled, low-e, soft coat, overall U-value 0.82 W/sqmK, G-value 37 per cent Main roof: 400mm mineral wool insulation insulated on ceiling, U-value 0.1 W/sqmK U-value 0.16 W/sqmKįloor: 75mm screed with underfloor heating elements on 150mm PIR Insulation with 25mm perimeter insulation. 50mm cavity and block external leaf finished with nap render. Walls: 300mm twin stud frame faced with 15mm OSB board internally with 45mm timber battens to create a service cavity for electrics and plumbing services, high density cellulose insulation pressure pumped and 12.5mm vapour permeable sheeting board externally. The planners were clear on what we could and couldn’t do and very quickly we were on the same page,” he adds. “We printed pictures of the houses on either side of the plot and discussed our local need. The process started with a pre-planning meeting outlining what they had in mind, and an initial sketch. U-values: Existing external walls with sawdust insulation 0.42 W/sqmK, floor 0.15 W/sqmK, attic 0.16 W/sqmK.īernard and Andreina Barreats’ timber frame house 5 – Westmeath Build with Minimalist Finishes Localised areas of dormer roofs were insulated with woodfibre boards where accessible. Poorly insulated central heating pipework in the underfloor void was absorbed into the insulated build-up of the floor to reduce heat losses.Īttic: top-up fibre insulation. Insulation: suspended timber floor insulated with 180mm fibre insulation between joists and breather membrane attached to underside of joists, with 80mm non hygroscopic wood wool board on underside of joists. Victorian fireplace with wooden surround: €1,000 Lamps and lamp fittings (in total 34): €2,000 Main contractor building work: €118,000 (with later work on the garage and repairs to the hall door costing €2,600) Offsite construction may seem like a modern building method but in Ireland it dates back to at least 1895, the year in which Ken and Patrice Brennan’s unusual bungalow was built…. Serial self-builders Eric and Gladys Black built their barrel roofed house to make the most of the rolling countryside views.
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