The "Ultra Protect" Aluminum Basement Window Well Egress Escape Ladder is a necessary component designed to assist you and your family in a quick and safe exit from the basement level of your home through the window well in case of emergency. The Model 3ESL is designed for use in typical corrugated steel window wells measuring 42 to 54 in. in depth and includes all required assembly and installation hardware for corrugated steel wells. The 3ESL can also be mounted to all types of window wells (concrete, block, timber, etc.) using alternative mounting hardware (not included). Assembly is quick and easy using common household hand tools. Rated for 200 lbs. and meets or exceeds IBC & IFC building codes. Constructed using lightweight aluminum angle and includes anti-slip safety tape for the stepping surface of the ladder rungs. This model is also available in a 300 lb. weight rating Galvanized Steel version, model # GS-3ESL. Also choose from our complete line of "Ultra Protect" Basement Window Well Covers featuring our "SAF-T Lock" locking system with 21 stock sizes to choose from.