Detail to show floor insulation, laid between floor joists, to insulate a suspended ground floor. Applicable where the existing joists are not deep enough to accommodate a minimum 200mm of woodfibre installation; or not deep enough to achieve the target U-value for the floor. Additional timber is fixed to bottom of the existing joists to increase their depth and allow the fixing of a breathable membrane to the underside.
Target values:
U-value: 0.28W/m2k
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