It is rare for commercial roofs to fail all at once. Generally, it starts with something small such as a water stain, a soft patch or an energy bill that keeps climbing without any explanations. Since flat roofs trap moisture while expanding under the freeze-thaw cyle of Montana, what looks manageable today may rarely stay that way. Waiting is usually what turns a repair into a replacement. Most Repairs Fail Before They Begin Most repairs fail because the real problem was nev