Hurricane-Resistant House


Weather forecasters expect 2013 to be an above average hurricane season, with up to 20 named storms predicted for the five-month season that began June 1. Up to 11 of those are projected to strengthen into hurricanes, six of them Category 3 or higher. An average season sees 12 tropical storms and six hurricanes. In 2012 there were 19 named storms, including Sandy, the second-costliest hurricane in U.S. history.


Shape: Its circular shape is aerodynamic, allowing winds to flow around the house and dramatically reducing the air pressure on the exterior walls. The low-pitched roof system is angled for optimum wind deflection and minimum drag, diminishing the risk of damage or collapse.


Engineering: The home’s exacting design incorporates engineering redundancies that work with nature not against it. Roof and floor trusses radiate from the center of the house, helping spread the force of high winds throughout the structure instead of allowing it to build up in one area. A building envelope, with air-tight construction at the key force intrusion areas of the roof, windows and doors, helps the structure remain intact.


Connections: In its design and engineering, Deltec focuses on three key potential points of failure due to high winds – roof to walls, walls to floor, and floor to foundation. To ensure connections are as tight as possible in those critical areas, the homes use truss hangers and connectors that are many times stronger than those required by building codes in hurricane-prone areas.


Material excellence: Deltec homes are framed with lumber that is more than twice as strong as traditional framing lumber. Structural sheathing used for roof, walls and floors meet the hurricane impact test of Miami-Dade County, which has the strictest hurricane building codes in the country. And nailing patterns in Deltec homes are denser than other houses.


Sustainability: Deltec designs can be adapted easily to incorporate efficiencies like passive heating and cooling, solar hot water and high-performance insulation — attributes that not only contribute to overall energy cost savings, but that will sustain the home and its occupants in the aftermath of a storm when local utilities and infrastructure may be crippled.

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