Material for pole built and modular homes will be the same. To begin with, modular houses don't have axles or a metallic frame, meaning that they are generally transported on flat-bed trucks. Modular buildings have to conform to all relevant regional building codes, whereas doublewides and mobile homes have metal under framing. Doublewides and mobile homes made in the USA are required to conform to federal codes regulated by U.S. Department of Housing and Urban Development.
Modular buildings and modular homes are prefabricated buildings or houses which contain repeated sections called modules. "Modular" is a building method that entails assembling sections from the building site, then sending them to the planned site. Setup of these prefabricated sections is completed on site. Prefabricated sections are occasionally placed using a crane. The modules can be set side-by-side, finishing, or piled, allowing a variety of configurations and styles.
The buildings are 60% to 90% completed offsite in a factory-controlled surroundings, and transported and assembled at the last building site. This can comprise the entire building or be components or subassemblies of larger structures. Oftentimes, modular contractors work with traditional general contractors to exploit the tools and benefits of each form of construction. Finished modules are hauled to the construction site and assembled by means of a crane. Positioning of the modules can take from a few hours to several days.
Modular buildings, also referred to as prefabricated houses or precision built houses, are built to equivalent or higher standards as on-site stick-built houses. The building method is referred to as permanent modular construction.
Construction is offsite, with lean production methods to prefabricate single or multi-story structures in deliverable module sections. Modular components are generally constructed indoors on assembly lines. Modules' structure may take as little as ten days but more often one to three weeks. PMC modules could be incorporated into site constructed jobs or stand alone and may be delivered with MEP, fixtures and interior finishes.
The entire process of modular construction puts significance on the plan stage. This is really where practices such as Design for Manufacture and Assembly (DfMA) are utilized to make certain that assembly tolerances are controlled during manufacture and assembly on site. It is vital that there is sufficient allowance in the layout to enable the assembly to take up any"idle" or misalignment of elements. The usage of advanced CAD systems, 3D printing and manufacturing control systems are important for modular structure to be prosperous. This is quite unlike onsite construction in which the tradesman can often make the part to match any specific installation.
Permanent modular structures are designed to meet or exceed the exact same building codes and standards as site-built structures and also the exact same architect-specified substances utilized in conventionally built buildings are traditionally used in modular building projects. PMC may have as many stories as building codes allow. Unlike relocatable buildings, PMC structures are intended to stay in one place for the whole period of their useful life.
Modular buildings might be used for long-term, temporary or permanent facilities, including construction camps, universities and schools, civilian and military home, and industrial facilities. Modular buildings are used in remote and rural regions where traditional construction may not be possible or reasonable, for instance, the Halley VI accommodation pods used for a BAS Antarctic expedition.  Other applications have included churches, healthcare centers, retail and sales offices, quick food restaurants and cruise ship construction. They may also be used in regions that have weather concerns, such as hurricanes.