Flame Retardant Canvas Tarps are made from heavy duty twill woven cotton fabric. Canvas Tarps are most commonly used for industrial covers, plant & refinery construction, offshore, oil field, sandblasting, scaffolding, shipbuilding, military, and general equipment covers. FR Canvas tarps are known for the toughness and for their resistance to high heat temperatures. All Canvas tarps include reinforced edges with double stitching and rust proof grommets for tie down application . All canvas tarps are tested and approved to meet today’s industrial and construction standards.