Like all living things pigeons needs a good place for shelter. Most commonly called a loft.
There are hundreds of loft design that will make you dizzy in what to build. It all depends on your needs and resources. If you only have 1 or a pair then a simple box would do as long as its not flimsy that it might crush your precious pigeon!
You can go all the way and build something like this…
or as small as this..
Roller pigeons housing doesn’t really differ from most major pigeon breeds. In a perfect world you would need to provide Separation cages, Breeding cages, and Kit Boxes. That is the optimal setup so you can really manage your roller pigeons well. Check out the page about roller pigeons shelter and housing on this website.