Storm Shelter Roof

International code council and national storm shelter association 2008.

Storm shelter roof.

Steel and plywood sheathing is fastened with either 3 in. 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. 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. Deck screws are driven through pilot holes spaced every 6 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. A concrete slab over the roof framing to overcome wind uplift forces. 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. A steel door mounted in a steel frame for a storm shelter with three deadbolts located opposite heavy duty hinges lets only people and pets into the room not door busting debris.

Design and construction guidance for community shelters fema 361. 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. These pipes will be the shelter s ventilation system. The plywood should extend over the.

Standard on the design and construction of storm shelters icc 500. Building a safe room inside your house fema 320. Taking shelter from the storm. Building the roof step 1 anchor 1 inch plywood to the top of the cinder block walls using 3 inch concrete screws.

The storm shelter roof structure is also subject to substantial wind uplift pressures.