make this building look real make the window framing black and the walk doors black add decorative stone full height on the end with the windows and the same stone full height around the first walk door to the left of the overhead doors make it a sunny day with a concrete approach add stone to the whole gable end of the building around all the windows to the peak remove the stone wainscoting on the side with the overhead doors and add it full height around and above the first walk in door to the left make the stone above the walk door on the side of the building all the way to the eave