Floating foundation for house explain
It’s unlikely that deep foundations will be needed unless the ground conditions are uneven or unusual in some respect. Unless you are constructing a high-rise or multi-storey building, choosing the most appropriate insulated foundation type for a typical project looks simple on paper, with most of the head-scratching reserved for the finer details of the job on site. So insulating this junction becomes crucial.ġ pouring a concrete slab over Xtratherm insulation with an upstand of insulation around the edges 2 An Isoquick passive slab foundation at the landmark passive-certified UEA Enterprise Centre 3 aerial view of a KORE Insulation foundation system with two ring beams 4 XPS insulation laid on the excavated ground floor of Ireland’s first certified passive house retrofit project, designed by PH+ columnist Simon McGuinness 5 150mm Xtratherm insulation laid under the floor slab of Ireland’s first passive house pharmacy, on a tight site in Tipperary 6 Geocell, a foam glass gravel material that is both load-bearing and insulating.
FLOATING FOUNDATION FOR HOUSE EXPLAIN FREE
It goes without saying that one of the most important aspects to designing a passive house, or any high performance low energy building, is ensuring that whatever foundation system is used is well insulated and free of thermal bridges.Īfter all, the more you insulate the walls and floor of a house, the more heat that can escape from the thermal bridge at the wall-floor junction, increasing the risk of condensation and mould growth above the skirting.
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That means the entire envelope – roof, walls, windows and ground floor.
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The fabric-first based approaches required by tightening building regulations and best practice approaches like passive house are to a very large extent about ensuring high levels of unbroken insulation.