Founded in 1946, Louisville Ladder inc. is the second largest manufacturer of ladders in North America.
Louisville Ladder inc uses its leadership position to promote higher industry standards and innovative consumer education about using ladders safely.
Headquartered in Louisville, KY, Louisville Ladder, Inc. is owned by Grupo IMSA. Louisville Ladder, Inc. is the culmination of several ladder manufacturers — Louisville, Louisville and Cuprum.
1946 .- First aluminum step and extension ladder.
1952.- Revolutionary aluminum step and extension ladder construction, with steps using a channel that had the steps riveted directly to the rail flange; and with extensions using a patented rung-to-rail connection.
1959.- Knocked-down steel rolling warehouse ladder.
1961.- First line of fiberglass ladders, including an extension ladder using the patented rungto- rail connection with aluminum washers on both sides of the rail.
1981.- First structural foam-molded stepladder top.
1989.- First powder-coat paint on the steel product line.
1992.- Patented steel rolling tower that could be set up by one person.
1997.- Patented Quicklatch on rung locks.
1997.- The only fiberglass mobile work platform.
1998.- Full Metal Boot wrap-around shoe assembly for stepladders.
1999.- RHINO 375 Series, the first ladder with a 375-pound weight capacity.
2002.- DaBoot is a polypropylene copolymer upper boot that provides strength, durability and fiberglass rail surface protections.
Thick non-marring tread is bonded and mechanically fastened to the upper boot and provides a slip resistant footing. Inside, DaBoot has a unique open design that allows for quick and easy visual inspection of the fiberglass rail.