The 9 Most Unanswered Questions about
Comprehending Tar and Gravel Roof: A Resilient Remedy for Apartment Roofs Tar and crushed rock roof, usually referred to as built-up roofing (BUR), is a prominent option for commercial structures and even some homes. This roof contains numerous layers of asphalt, usually coal tar or asphalt, sprinkled with layers of crushed rock or smashed rock. […]