5.1 Substructure and ground-bearing floors

5.1.22 Installation of insulation

Installation of thermal insulation shall ensure that the full thermal performance of the floor is achieved.

Insulation boards should be tightly butted together to maintain insulation continuity. Where the insulation is turned up vertically at the edge of the slab, it should be protected whilst the concrete is being poured and tamped.

Last updated: 2nd January 2024

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