You can also hide the seams on a supposedly flat floor. In a garage, there could be oil stains on the floor, or other debris. dark tracks fom the tires, etc.
Maybe even an old newspaper lies around, who knows 
You can also hide the seams on a supposedly flat floor. In a garage, there could be oil stains on the floor, or other debris. dark tracks fom the tires, etc.
Maybe even an old newspaper lies around, who knows