Screen room or breezeway adds an extra room on to your house. It attaches to two walls of your house. What you get: 2 walls with windows & door, ceiling, roof and interior wall paneling that was attached to house. Ceiling comes apart in 24,” wide sections . Room interior measures 15ft7″ x 15ft 7″ . Ceiling slopes from 93 to 92″ . Room is mounted on a concrete slab. Has 36″ overhang on door side. Has 13.5″ overhang on other side. Walls and ceiling are framed in aluminum. $200 (you detach & remove)