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  1. Insulation to suspended floor, thin joists, membrane below.

    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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  2. Insulation to suspended floor, accessible from below.

    Detail for insulation to a suspended timber floor, accessible from below, to increase thermal efficiency and reduce heat loss.

    Target Values U-Value : 0.2W/m2K

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