Attic Access Ladders are a great option for when permanent attic access is needed without the need of having to lug a portable ladder around to access an attic space.
They come in a variety of sizes, insulating values, and a couple different ladder materials and options. Below are some of the available options.
Sissor ladders are a good option for when the attic access is in a room where space is limited. These units are with metal ladders.