However, fiberglass can only be used for an in-ground storm shelter and may crack over time due to temperature fluctuations and ground shifting. Fiberglass is easier and cheaper to transport than concrete or steel due to its lighter weight. Some above-ground units come complete with a concrete floor, but most require a concrete slab for anchoring.Ĭoncrete is strong and heavy to withstand storm-force winds, but it may leak or crack over time.Ĭoncrete's weight is beneficial in terms of storm protection but makes it more difficult and costly to transport.įiberglass tornado shelters cost $4,700 to $10,000+ installed. Steel-reinforced concrete is typically precast into an in-ground or above-ground design. Storm shelter cost by material Shelter materialĬoncrete storm shelters cost $3,700 to $7,000+ installed, making them the most affordable option in most cases. The best material for your shelter depends on the shelter type and location. The material you choose also impacts the storm shelter cost. Hiring a professional to install it adds $250 to $400+. Most storm shelter beds are DIY-friendly. Storm shelter beds replace your traditional box spring or platform bed with a steel shelter bolted to the floor. Costs increase for options like a second door for quick 2-person entry, a tornado- and bullet-proof window, or a custom color. Storm shelter bed costĪ storm shelter bed costs $3,500 to $5,500+ before installation. Like garage storm shelters, a basement storm shelter allows you to get to safety without going outside in potentially dangerous weather. Cost to build a basement tornado shelterĪ basement tornado shelter or storm cellar costs $4,000 to $10,000+, depending on the size and whether it's a prefab bolt-together panelized model or a fully custom build. The cost to extend a garage is $60 to $120 per square foot to allow for an above ground garage shelter without losing car and storage space. Consider a garage storm shelter for easy and quick accessibility during a storm threat. These prices include professional installation. Garage storm shelter costĪ garage storm shelter costs $3,500 to $9,000 for an above ground safe room or $6,000 to $15,000 for an underground model. Confirm your safe room has been tested and meets or exceeds the current FEMA and ICC guidelines to withstand an EF5 tornado. Not all safe rooms are tornado safe rooms. Installing a safe room inside an existing home is typically more challenging and costs 20% to 30% more than integrating one during new construction. Leveling the yard costs $500 to $1,000 on average when installing a saferoom that comes complete with a concrete floor and requires only a flat surface. Some safe room companies offer this as an add-on service. Most safe rooms require a concrete pad for installation. Most interior safe rooms are steel panels, while outdoor safe rooms are typically concrete.īuilding a home addition costs $90 to $210 per square foot to add an interior safe room without reducing your available living space. A safe room can be inside the home or outside as a separate structure. Options range from closet-sized to multi-family sized, and the price increases with the size. Tornado safe room costĪ tornado safe room costs $4,500 to $14,000 installed. Notify your local fire department or other emergency responders of your shelter's location so they know where to look for survivors.
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