Ernesto Professional Pro Joined Jun 25, 2011 Messages 6,270 Location , AZ May 1, 2019 #1 Outline of an old laminate that was over blue cheapo foam underlayment.
highup Will work for food Supporting Member Pro Joined Mar 6, 2011 Messages 18,020 Location , May 2, 2019 #2 Discolored the concrete even tho it was separated by the foam?
Ernesto Professional Pro Joined Jun 25, 2011 Messages 6,270 Location , AZ May 2, 2019 #3 Yup Used to be a garage hence the oil stained concrete.