Storm Shelter Roof

A concrete slab over the roof framing to overcome wind uplift forces.

Storm shelter roof.

Self tapping screws or 3 in. A storm shelter is a safe place that you can use to take refuge during a catastrophic storm event such as a tornado or a hurricane. Design and construction guidance for community shelters fema 361. Each pipe should extend 3 feet over the roof of the shelter after it has been covered and at least 3 feet from the roof into the shelter.

International code council and national storm shelter association 2008. The storm shelter roof structure is also subject to substantial wind uplift pressures. Storm shelter roof assembly design the perform a deck and series 300 metal roof and deck assembly sets the standard for the hurricane and tornado enhanced roofing envelope. Standard on the design and construction of storm shelters icc 500.

The system is engineered and tested to resist extreme winds and debris impact as defined by the fema 361 design and construction guidance for community safe rooms for. These pipes will be the shelter s ventilation system. Deck screws are driven through pilot holes spaced every 6 in. Steel and plywood sheathing is fastened with either 3 in.

Taking shelter from the storm. This may require increasing roof framing sizes strength additional bracing for roof framing elements not commonly provided in conventional building design and or adding a weight e g. Building an in ground or above ground storm shelter should be done by licensed professionals who follow the guidelines set by governmental organizations such as the federal emergency management administration fema. Federal emergency management agency 2004.

The plywood should extend over the.