This shingle tarp covers coiled steel, flat steel, shingles and machinery. It's a good all purpose tarp. The size is approximately 16' x 24'. You can order shingle tarp with front flaps or without flaps. Their are two rows of grommets on each side. Two tarps are needed. Used with Smoke Tarps, it's good for covering sheet rock by turning the tarp(without flaps) sideways.