edit the existing render and create an alternative version material change stucco concrete replace the stucco surfaces with exposed concrete apply this only to the ground floor facade the two upper dormers do not apply concrete to brick or roof areas the brick must remain unchanged concrete specification use architectural exposed concrete with visible formwork marks include panel joints and subtle tie holes properly aligned the panel modulation should be medium to large scale not small panels not dense grid the concrete should be light gray with natural variation smooth but slightly textured with realistic imperfections windows keep windows exactly the same no moldings or decorative frames important do not modify geometry proportions or composition this is only a material variation photorealistic clean minimal architectural style
