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Manufactured Homes are as Safe as Traditional Homes During a Storm

ARLINGTON, Va., Aug. 30, 2016 (GLOBE NEWSWIRE) -- Manufactured homes are as safe as traditional homes during a storm, and in hurricane zones, the standards for manufactured homes are more stringent than regional and national building codes for site-built homes. The Manufactured Housing Institute (MHI), the national trade association for the factory-built housing industry, is working to clear up the negative stereotypes about manufactured homes and inform the public that since 1976 they have been built to rigorous federal standards.

/EIN News/ -- “The standards for manufactured housing are subject to robust compliance and quality assurance regulations, sometimes more stringent than those for traditional site-built homes,” says Richard Jennison, President and CEO of MHI.  “The building materials in today’s manufactured home are the same as those used in site-built homes. The homes are engineered for wind safety based on the geographic region in which they are sold.”

In most of the country (non-hurricane-prone areas), manufactured homes are built to withstand a 136 miles per hour wind speed when they are located in Zone 1 of the HUD Basic Wind Zone Map.  In areas prone to hurricane-force winds (Wind Zones II and III), the standards for manufactured homes are equivalent to the current regional and national building codes for site-built homes.  Manufactured homes are designed and constructed to withstand wind speeds of 150 miles per hour in Wind Zone 2 and 163 miles per hour in Wind Zone 3, based on standards from the 2012 International Building Code.  

In addition, federal regulations for manufactured homes require the involvement of design and quality assurance professionals during construction to verify that the home is built correctly. Conventional residential construction does not require all of this. Each manufactured home also bears a label certifying that is has been designed, constructed, tested and inspected to comply with the federal standard.

MHI also urges individuals to be safe during a storm and to seek proper shelter.  Jennison added, “A tornado and hurricane’s deadly force does not selectively discriminate between a site-built, a manufactured home or any structure.”

Standards and Research
The federal Manufactured Home Construction and Safety Standards (better known as the HUD Code) are a stringent series of construction and safety standards and regulations that ensure that manufactured homes are superior to mobile homes. The name “mobile homes” refers to homes built before 1976, when the HUD code was implemented. Since then they have been called manufactured homes, constructed in a controlled factory environment and built to the HUD Code. These federal standards regulate manufactured housing design and construction, strength and durability, transportability, fire resistance, energy efficiency and quality.

In 1994, HUD revised and increased its wind safety standards after Hurricane Andrew stuck in 1992. The result was that during the hurricanes that struck Florida in 2004, not one manufactured home built and installed after 1994 was destroyed by hurricane force winds.

In May 2001, Texas Tech University’s Wind Science & Engineering Center in Lubbock, Texas, conducted studies on the effects of strong winds on manufactured housing. A single-section manufactured home, built to Wind Zone I standards (for regions not likely to experience hurricane-force winds), was exposed to the prop wash of a C-130 transport aircraft which created winds in excess of 90 miles per hour. After prolonged exposure to such winds, the manufactured home experienced only limited damage, primarily loss of roofing shingles and some minor structural damage.

In 2007, the federal government established standards requiring all new manufactured homes to meet minimum requirements for installation and anchoring in accordance with its structural design and windstorm standards. In addition, states have the authority to establish additional installation standards above the minimum federal standards. State governments may establish installation and anchoring requirements for homes depending on soil conditions and other factors in their state.

A 2014 Insurance Institute for Business & Home Safety (IBHS) test found that manufactured homes performed better at high winds than traditional-built homes when any attached structures are properly installed. It also suggested that improperly installed attached structures like carports and patio roofs, are what cause about 80 percent of the damage in manufactured homes.

Manufactured Housing Facts

  • Manufactured housing provides quality, affordable housing for more than 22 million very low-, low- and moderate-income Americans. 
  • The median annual income of manufactured homeowners is about $26,000.
  • Manufactured housing represents 7.3 percent of all occupied housing units, and 10.3 percent of all occupied single-family detached housing.
  • Based on U.S. Census data, the average price per square foot of a manufactured home is $44, compared to $94 for a site-built home.  
  • Visit the MHI Facebook page or website to see the new look of manufactured homes.

MHI is the only national trade organization representing all segments of the factory-built housing industry.  MHI members include home builders, lenders, home retailers, community owners and managers, suppliers and others affiliated with the industry.  MHI’s membership also includes 50 affiliated state organizations.  In 2015, the industry produced over 70,000 homes, which is approximately 9 percent of new single family home starts. Visit us at  www.manufacturedhousing.org; Facebook-- Manufactured-Housing Institute; and  Twitter--@MHIupdate.

Media Contact: Patti Boerger
Manufactured Housing Institute
571-325-0785
pboerger@mfghome.org

Distribution channels: Building & Construction Industry