Modular buildings and modular homes are prefabricated buildings or houses that consist of recurrent sections called modules. "Modular" is a building method that entails assembling sections from the construction site, then delivering them to the planned site. Installation of these prefabricated sections is completed on site. Prefabricated sections are sometimes placed utilizing a crane. The modules can be set side-by-side, end-to-end, or stacked, allowing an assortment of styles and configurations.
Modular buildings, also called prefabricated houses or precision built houses, are developed to equivalent or higher standards as onsite stick-built homes. The construction method is referred to as permanent modular construction.
Material for pole built and modular houses are the same. Modular homes are not doublewides or mobile homes. First, modular houses do not have axles or a metal framework, meaning that they are generally hauled on flat-bed trucks. Modular buildings must conform to all relevant regional building codes, while doublewides and mobile homes have metal under framing.
The full procedure of modular building places significance on the plan stage. This is really where practices such as Design for Manufacture and Assembly (DfMA) are utilized to ensure that assembly tolerances are controlled throughout manufacture and assembly on site. It is vital that there is sufficient allowance in the design to allow the assembly to take up any"slack" or misalignment of elements. The usage of advanced CAD systems, 3D printing and production management systems are essential for modular structure to be successful. This is very unlike onsite construction in which the tradesman can frequently create the part to suit any particular installation.
The buildings are 60% to 90% completed offsite at a factory-controlled surroundings, and transported and assembled at the last building site. This can include the entire building or be parts or subassemblies of larger structures. In many cases, modular builders work with conventional general contractors to exploit the tools and benefits of each type of construction. Finished modules are transported to the construction site and constructed by means of a crane. Placement of the modules may take from a few hours to several days.
Modular buildings might be used for long-term, temporary or permanent facilities, including building camps, universities and schools, military and civilian home, and industrial facilities. Modular buildings are used in rural and remote areas where conventional construction might not be possible or reasonable, by way of example, the Halley VI lodging pods used for a BAS Antarctic expedition.  Other applications have included churches, healthcare facilities, sales and retail offices, fast food restaurants and cruise boat building. They can also be used in areas that have weather concerns, such as hurricanes.
Permanent modular structures are built to meet or exceed the same building standards and codes as site-built structures and the same architect-specified materials used in conventionally built buildings are employed in modular building jobs. PMC can have as many stories as construction codes allow. Unlike relocatable buildings, PMC structures are intended to stay in 1 location for the duration of their useful life.
Building is offsite, using lean manufacturing techniques to prefabricate solitary or multi-story structures in deliverable module sections. Modular components are typically constructed indoors on assembly lines. Modules' construction may take as few as ten times but more often a few months.