Permanent modular buildings are designed to meet or surpass the exact same construction codes and standards as site-built structures and the exact same architect-specified substances used in conventionally built buildings are employed in modular building projects. PMC can have as many stories as construction codes allow. Unlike relocatable buildings, PMC structures are intended to remain in one location for the duration of their useful life.
Construction is offsite, with lean production methods to prefabricate single or multi-story buildings in deliverable module sections. Modular components are generally constructed indoors on assembly lines. Modules' construction may take as little as ten days but more often one to three weeks. PMC modules can be integrated into website built projects or stand alone and can be delivered with MEP, fixtures and interior finishes.
The entire process of modular building puts significance on the design stage. This is really where practices such as Design for Manufacture and Assembly (DfMA) are used to ensure that assembly tolerances are regulated during manufacture and assembly on site. It's crucial that there is sufficient allowance at the layout to allow the assembly to take up any"idle" or misalignment of components. This is very unlike onsite construction in which the tradesman can frequently create the part to match any particular installation.
Modular buildings may be used for long-term, temporary or permanent facilities, including building camps, schools and classrooms, military and civilian home, and industrial facilities. Modular buildings are used in remote and rural regions where traditional construction might not be possible or reasonable, for instance, the Halley VI lodging pods used for a BAS Antarctic expedition.  Other applications have included churches, healthcare centers, retail and sales offices, quick food restaurants and cruise boat construction. They can also be utilised in areas that have weather issues, like hurricanes.
The buildings are 60 percent to 90% finished offsite at a factory-controlled environment, and transported and constructed in the final construction website. This can comprise the whole building or be components or subassemblies of bigger structures. Oftentimes, modular builders operate with conventional general contractors to exploit the resources and benefits of each type of construction. Finished modules are hauled to the construction site and constructed by a crane. Placement of the modules may take from several hours to several days.
Modular buildings, also referred to as prefabricated homes or precision built homes, are built to equivalent or higher standards as on-site stick-built houses. The construction method is known as permanent modular structure.
Modular buildings and modular homes are prefabricated houses or buildings which contain repeated sections called modules. "Modular" is a construction method that involves assembling sections away from the construction site, then sending them to the planned website. Installation of the prefabricated sections is completed on site. Prefabricated sections are occasionally placed using a crane. The modules can be set side-by-side, end-to-end, or stacked, allowing an assortment of configurations and styles.
Substance for stick built and modular houses are the same. First, modular houses don't have axles or a metal frame, meaning that they are typically transported on flat-bed trucks. Modular buildings have to conform to all applicable regional building codes, while doublewides and mobile homes have metal beneath framing.