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.
Storm shelter roof.
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.
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.
Building the roof step 1 anchor 1 inch plywood to the top of the cinder block walls using 3 inch concrete screws.
Building a safe room inside your house fema 320.
Taking shelter from the storm.
Design and construction guidance for community shelters fema 361.
The plywood should extend over the.
Federal emergency management agency 2004.
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.
International code council and national storm shelter association 2008.
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.
Self tapping screws or 3 in.
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.
Steel and plywood sheathing is fastened with either 3 in.
These pipes will be the shelter s ventilation system.
A concrete slab over the roof framing to overcome wind uplift forces.
The storm shelter roof structure is also subject to substantial wind uplift pressures.