First Alert EL52-2 Two-Story 14-Ft Escape Ladder for $28.48 shipped. Here is a screenshot for your reference. This fire escape ladder features a 1,125-lb. weight capacity, DuPont Cordura nylon strapping, anti-slip rungs, secure hooks, and is for use with 6″ to 10″ window sill widths. Most places have it for about $32 or more.