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

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

Reference: A.1.2

LEME Mitigation

Objective

Improvement of roof insulation on concrete flat roofs and walls

Applications

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

Minimum Performance Criteria/ Minimum Requirements

Roof : U< 0,4 W/m2 °C , under the waterproof covering Walls : U<0,5 W/m2 °C

International reference Standards

CE MARK, KEYMARK, ACERMI EN 13 164

Estimated Pay Back TIme

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

Medium term

Comments

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 %

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