black metals roof only on the center mass building with a tilted roof clad this mass in stucco all other flat roofs will be in the sand stucco the two end masses are garages clad the left garage in stone and clad the right garage in the wood cladding add the stone ledge cladding to the two front masses with the windows these are next to the garages i have attached a moodboard with the materials for your reference do not edit the building structurally only add the exterior architectural materials