Modular Vs. Manufactured?
A modular home is constructed in a factory using conventional home floor joists and delivered to a site on a trailer or flat-bed truck.
The delivered home may be in the form of panels that are pre-cut and assembled on site or may be pre-built and delivered in one piece. The home, panels or pre-cut panels are lifted from the trailer and attached to a permanent foundation.
A modular home may be single or multi-storied and are built to state and local Uniform Buiding Codes, which are the same standards as any other site-built home.
Both modular and manufactured homes are often built in the same factory. Typically, any manufactured home design can be built as a modular.
A manufactured home is a single or multi-section home built in a factory on a permanent frame, such as a steel undercarriage or chassis, with a removable transportation system (hitch and wheels.)
The unit is permanently attached typically using piers and tie-down strapping and is subject to the 1976 federal standards established by the Department of Housing and Urban Development (HUD).
Most manufactured home models can be constructed as a modular.
To see the specific differences in construction, click this link.