However, there are some distinct differences that should be recognized. Modular structures are designed for permanence. According to Savage, true modular buildings are non-combustible buildings featuring steel and concrete construction. Each individual module includes walls, floors and ceilings. Depending on the project, the percentage of factory work will vary, anywhere from 60 percent to 98 percent of the total job.
Modular structures adhere to strict building codes.
Exactly the same building codes apply to modular structures as to those that are site-built. In addition, plant-controlled construction allows for consistent quality in craftsmanship. As a result, a pre-engineered or modular structure has the same life expectancy as a traditionally built one. But modulars must meet additional standards as well. Once a modular section is completed, it must be transported to the site.