Extruded or expanded polystyrene panels, polyurethane panels, spray polyurethane foam , glass wool, rock wool panels or rolls

Reference: A.1.2

LEME Mitigation

Improvement of roof insulation on concrete flat roofs and walls

All air conditioned buildings : Offices or apartment buildings, hotels hospitals, production plants…

CE MARK, KEYMARK, ACERMI EN 13 164

Estimated pay back time short term : 2-4 years, medium term: 4-6 years, long term : 6-8 years (*)

Medium term

Roof is one the main source of cold losses in a air conditionned office or apartment buildings, or air conditionned storages or warehouses ; insulation of a non insulated roof reduces roof cold losses up to 70 %