What is "reroofed"

Usage examples of "reroofed".

He would not, however, deprive Shadrach of an opportunity to show off his bargaining skill, nor insult him by trying to hasten the proceedings, so these were extended over the next two days while Craig reroofed the old guest cottage with a sheet of heavy canvas, replaced the looted pump with a Lister diesel to raise water from the borehole and set up his new camp-bed in the bare bedroom of the cottage.