Technical Booklet F2 Conservation of Fuel and Power in Buildings Other Than Dwellings·Page 9
Definitions - Renovation of a Thermal Element
Defines renovation of a thermal element as providing a new layer or replacing an existing layer, excluding patch repairs to flat roofs and thin decorative finishes.
"Renovation of a thermal element" means the provision of a new layer to a thermal element or the replacement of an existing layer (other than where a partial replacement layer is provided solely as a means of patch repair to a flat roof) but does not include thin decorative surface finishes;
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