Most of the houses nowadays don't have basements and they're impractical to use indoors. They're meant to be able to accommodate six to ten people comfortably, and may not be ideal for emergency shelter use, but it's still a good idea to have an accessible pickup truck nearby if you need to evacuate quickly. Storm shelters are usually small at 50 square feet (4.6 meters) and six feet high. What about the space they take up? Steel storm shelters have more benefits than their concrete counterparts.ĭepending on the type of shelter you're considering, you'll need to weigh the safety of lightning for each type of storm shelter. They are also more susceptible to cracking and allow moisture to enter the shelters. Concrete shelters are cheaper than steel shelters. Although they are expensive, the shelters will last for many decades. Steel shelters are strong and resistant to penetration. There are ways to keep lightning from entering your shelter, including using a bottle jack to raise the door a few inches. You might not be aware that shelters can have steel treads welded to them. You're not the only one wondering if a steel storm shelter is safe against lightning. Some of them have warranties, which protect you and your family.Īre Steel Storm Shelters Safe From Lightning? In addition to fiberglass shelters, there are also newer concrete and steel models. Fiberglass shelters tend to resist mildew and rust, and most are guaranteed against rusting. Some older shelters tend to corrode or rust, so you may want to invest in a fiberglass shelter instead. While most shelters are made of steel or concrete, fiberglass shelters are increasingly popular. Then, you can enjoy the peace of mind of knowing you are safe and sound during a storm.īefore installation, prepare a hole to fit the shelter. Therefore, it is highly recommended that you hire an expert to construct an underground storm shelter. This shelter may not always be possible due to space limitations or local ordinances. This is a great option as it doesn't require you to go outside to access the shelter. It is then removed from the mold and inspected to ensure that there are no cracks or defects.Īnother option is an under garage shelter, which works similarly to underground shelters, but is built within the garage. After concrete is poured into the molds they are vibrated to ensure the shelter is level and that air bubbles have been reduced. These molds are filled using concrete and reinforced with metal at regular intervals. The upper and lower portions are poured into steel molds, with walls three to four inches thick and floors seven to eight inches. The construction process of underground storm shelters differs from that of traditional storm cellars.
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