Finished Size exact size of the tarp you will receive 21 ft X 20 ft FIRE RETARDANT This heavy duty tarp is fire safe it is treated and tested to pass the FR CPAI 84 Section 6 Wall and Top Material Guidelines This makes it ideal for industrial construction and home improvement projects HIGHQUALITY COMPOSITION Down to the last detail this durable lightweight tarp is designed to provide the ideal amount of coverage and protection you need The edges are heatsealed and reinforced with polyethylene rope for extra strength and reinforcement CONVENIENT AND EASY TO USE With rustproof grommets paced every two ft around all edges and down the middle it will provide extra ease for those times you need to tie down with straps or a bungee cord RAIN OR SHINE Our dependable fire retardant tarp is waterproof and resistant to light so you can keep your work area safe from the elements outside