i am in designing heat load of ware house with hap, it is built up with the sandwich panel wall and roof. 50 mm thickness, i am told that they don't have the technical specification of the sandwich panel, what shall be the typical u value...thank you
willard3: the manufacture didnt say anything, i have not direct contact with the client, their contractor said me to calculate the heat load,they dont have data of sandwichpanel, also this is not new ware house, old one and upgrading the ware house.