Reference: A.1.1
Improvment of roof and wall insulation on open framing structures
Existing or new industrial buildings(example : air conditionned production plants, warehouses)
Roof : U< 0,4 W/m2 °C , Walls : U<0,5 W/m2 °C + Reflective or clear colored external coating
CE MARK, KEYMARK, ACERMI,ASTM C518
short/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 %