20’ Storm Shelter (Up To 27 People)
SQUARE FEET
160
OCCUPANCY
27
CUBIC FEET
1360
Choose Our 27 Person Community Storm Shelter
Ensure the safety of your family, employees, or community with the 20’ STORMBOX. This reinforced steel shelter provides proven above-ground protection for up to 27 people, exceeding FEMA standards for reliability. Secure your peace of mind by requesting a quote today.
20’ Storm Shelter (Up To 27 People)
$29,950.00
Effective, Reliable Storm Shelter You Can Trust.
- Comfortably Protect Up To 27 People Simultaneously
- Meets FEMA 361 and ICC-500 Guidelines
- Rated For Up To EF-5 Tornadoes and Cat 5 Hurricanes
- ADA Compliant
The 20’ storm shelter at Stormbox is the ideal solution for storm shelters. The safe room is installed above ground for ease of use and convenient access. Our team at Stormbox can quickly and affordably deliver your storm shelter in a matter of weeks — not months. Contact us today to get your free quote and be storm ready.
Description
Specifications:
- Dimensions: 8’ wide x 8’-6” tall x 20’ long (160 square feet)
- Shelter weight: 8,140 lbs, Foundation weight: 64,000 lbs
- Door dimensions: 3’3” wide x 6’9” tall (ADA accessible) with two doors per unit
- Built with the following steel specifications: All structural steel plates and angles are ASTM grade A36 Steel. Rectangular steel tubes are ASTM grade A500. All structural steel tubing has ¼” thick walls. All welds are inspected by a CWI (Certified Welding Inspector). All inspections meet IBC Ref: 1704.3.1
- Paint system is rust and corrosion-resistant.
- Interior: Water Borne.
- Exterior: Urethane Industrial Strength (Standard for Automakers)
- Triple-locking door system for extra safety and security
- Available with both exterior and interior lights with 90-minute emergency backup battery, 20 amp, 110-volt electrical service is needed.
- Convection air ventilation system included
- Foundation (required spec): 16” Reinforced 4000 PSI concrete or level ground, using ground screw anchors.
- Shelters meet FEMA 361 and ICC 500 codes with 250 MPH wind rating. Wall sections and doors successfully passed Texas Tech Wind Research Institute simulated tornado missile impact test. Shelters are designed and sealed by a Structural Engineer.
Related products
Complaint With Federal Safety Standards
Our 20’ storm shelters are engineered to surpass the stringent requirements of FEMA 320/361 and ICC 500 standards. Constructed from heavy-duty, reinforced steel plates, each unit is designed to withstand extreme wind loads and projectile impacts from EF5 tornadoes, ensuring your protection when it matters most.
High-Capacity for Groups & Communities
With a spacious interior accommodating up to 27 adults, the 20’ STORMBOX is the ideal solution for large families, small businesses, and community gathering spots. Its versatile design ensures everyone has a secure place to take cover during severe weather events. Contact our team to discuss your specific needs.
Designed for Accessibility and Comfort
Every shelter features a heavy-duty, secure-latching door and cross-ventilation for airflow, ensuring a safe and bearable environment. The above-ground design allows for easy, wheelchair-friendly access without the need for stairs, providing safety for individuals with mobility challenges. We offer options for outfitting your shelter for enhanced comfort.