In-Ground Slope Shelters
JUMBO (Click For Details)

Jumbo Shelter
Measurements: 6’8″ x 10′ x 6’2″
This is our largest sized slope front unit. It holds 12 to 14 people comfortably. It comes with a double handrail on its metal steps; gas operated door closer, a 6″ vent and 8″ wind turbine. This is the perfect storm shelter for a larger family or a commercial property. These meet our exceed FEMA standards.
For installation this shelter will need 9′ feet of width to back up to one side of the hole and 13.5′ feet of height.
EZ ENTRY (Click For Details)

EZ Entry Storm Shelter
Measurements: 6’x8′
This is our EZ Access slope front unit. It has metal steps. It is ideal for seniors, people with mobility issues, or large dogs. It comes with a 6 step ladder with double handrails, this fits 8 to 10 people; a gas operated door closer, a 6″ vent and 8″ wind turbine. These meet our exceed FEMA standards.
For installation this shelter will need 9′ feet of width to back up to one side of the hole and 13.5′ feet of height.
SLOPE TOP (Click For Details)

Slope Top Storm Shelter
Measurements: 6’x8′
This concrete storm shelter is installed below ground. The slope top storm shelter is reinforced with rebar and fiber mesh. We also add a waterproofing solvent into the concrete mix to ensure the interior of your storm shelter stays dry. This fits 8 to 10 people, and meets our exceeds FEMA standards.
In-ground slope storm shelters are specialized protective structures designed to provide safe refuge during severe weather events, such as tornadoes and hurricanes. These shelters are built into the side of a slope or hill, leveraging the natural terrain to enhance protection against high winds and flying debris. The design involves embedding the shelter partially or fully into the ground, which helps to anchor it securely and shield it from extreme forces.
The key features of in-ground slope storm shelters include:
- Enhanced Stability: By being built into a slope, these shelters benefit from the natural stability of the earth surrounding them. This design reduces the risk of the shelter being uprooted or overturned during a storm, offering increased security compared to above-ground options.
- Durable Construction: Typically made from reinforced concrete or heavy-duty steel, in-ground slope shelters are engineered to withstand the impact of flying debris and the intense pressures associated with severe storms. The materials used are chosen for their ability to resist damage and protect occupants from the harshest elements.
- Accessibility: These shelters often feature a sloped entrance that allows for easier access, even in adverse weather conditions. The entrance is usually covered with a heavy-duty door designed to seal tightly and resist wind and debris.
- Compact and Concealed: In-ground slope shelters are often compact and can be concealed within the landscape, making them less obtrusive than above-ground options. This can be an aesthetic advantage for homeowners who prefer a shelter that blends into their property.
- Customizable: Depending on the specific needs and the terrain, these shelters can be customized in terms of size, shape, and features. Some may include ventilation systems, emergency lighting, and storage space for supplies.
In-ground slope storm shelters are an excellent option for individuals living in areas prone to severe storms, offering a combination of natural protection, durability, and ease of access. They provide a safe and secure place for families and communities to weather even the most intense storms.
The following are the shelters we offer:
Firestorm Septics & Shelters is a locally owned, family-run business based out of Shawnee, Oklahoma and serving Central Oklahoma. We specialize in the construction and installation of high-quality shelters. Whether you need a safe room to protect your family or a safe room installed at your place of business, we can help!
If you’d like to schedule a consultation with us to discuss the installation of a safe room please call (405) 227-1381 or fill out our online form and we’ll get right back to you.
