#Texas underground storm shelters how to#
#Texas underground storm shelters install#
#Texas underground storm shelters code#

Anchor your safe room to a proper foundation for your geographic location.Here are some basic guidelines from this publication. Whether building a stand-alone storm shelter or retrofitting a safe room in your house, the Federal Emergency Management Association’s (FEMA’s) booklet, Taking Shelter from the Storm: Building a Safe Room for your Home or Small Business (FEMA P-320), covers everything you need to know to follow the ICC 500 standards, and even includes construction plans.

Make sure to follow ICC 500 standards when building your foundation. But even if tested and approved for missile impact and wind pressure, a storm shelter is only as safe as its foundation is strong. A manufactured safe room generally includes everything except the foundation. A Prefabricated Safe RoomĪs an alternative to a site-built safe room, prefabricated storm shelters are commercially available-and in some areas, they’re more affordable. Here we offer some key ideas to consider when constructing your own storm shelter. ICC 500 is under review and revised requirements are set to be published sometime in 2020.

#Texas underground storm shelters code#

A safe room constructed in accordance with the International Code Council’s Standard for the Design and Construction of Storm Shelters (ICC 500) should remain standing even when the rest of your home may be flattened or picked up and carried away. Having a well-constructed, dedicated safe room in your home will provide reliable protection for you and your family, and peace of mind along with it.Ī storm shelter or safe room is a hardened structure built to withstand high-velocity winds that accompany tornadoes and hurricanes, and the flying debris they can hurl at you.

Many run to an interior room, hoping a space constructed of 2x4s and drywall will protect them from winds that exceed 100 miles per hour. Whether you live in a coastal region, prone to tropical storms and hurricanes, or in the Midwest, always on the alert for a tornado to strike, you want a safe place in your house to retreat to during extreme wind events. Hang a sliding door and then hire an electrician to run power to the storm shelter for lights and outlets.Ĭonsiderations for Building a Storm Shelter.Allow the concrete to cure for 24 hours, then strip away the wooden form.Smooth the concrete on top of the storm shelter with a steel float.Vibrate the concrete throughout the pour to eliminate voids and air bubbles.Use a concrete pump to fill the form with small-aggregate concrete.

#Texas underground storm shelters install#

Install metal rebar throughout the form to reinforce the concrete.

Build a wooden form around the excavated hole to create the walls and ceiling of the concrete storm shelter.

Cut out and remove the concrete slab from the garage floor, and dig down 28 inches.

You would need to do this if retrofitting a bathroom or closet, as well. Watch as they explain the need to cut away the garage floor and pour an even thicker foundation.

#Texas underground storm shelters how to#

This video, featuring This Old House plumbing and heating expert Richard Trethewey, shows how to pour a storm shelter inside a garage.