A raised floor system is an assembly of beams, girders, joists, and sheathing panels comprised of various engineered wood framing products, all properly sized and connected together. A raised floor system is designed to elevate the living space off the ground, isolating it from moisture and pests. American homes have been built on raised wood floor systems since Colonial times, and the aesthetic and practical reasons for building a raised home still apply today.


Many terms are frequently used to describe raised floor systems in different regions of the country. Examples include raised wood floor, raised wood platform floor, raised floor foundation, and crawlspace construction. A raised floor can also be supported by a variety of foundation types. Examples of the most common foundation types include spot pier-and-beam foundations, continuous foundation walls (stem walls), and grade beam foundations.

Regardless of the exact term or foundation type used, a raised floor system provides numerous advantages. This Web site takes an in-depth look at these advantages and explains the tangible and intangible benefits of raised floor living. It also addresses basic construction elements, providing valuable guidance to builders constructing a raised floor. Together, homeowners, builders, insurance underwriters, architects, and others can use this information to examine the benefits of a raised floor system during the planning of a residential or commercial structure, and to make informed decisions. Once a raised floor system is selected, the Construction Process section of this site provides the details required to properly design, specify, and build the system.

The raised floor system can help a builder deliver customer satisfaction for discerning clients who demand homes with comfort and distinction. With the know-how to properly construct a raised floor, smart builders can establish a reputation for quality and craftsmanship that distinguishes them from the competition.