Black substance mixed with gravel and used in road-surfacing and roofing

Let's find possible answers to "Black substance mixed with gravel and used in road-surfacing and roofing" crossword clue. First of all, we will look for a few extra hints for this entry: Black substance mixed with gravel and used in road-surfacing and roofing. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.