Survivability: The ability of a structure to withstand fire, flood, wind, or ballistic impacts and provide people and pets inside a path to survival.

Branded Parabellum earth block
BALLISTICS · AUGUST 2024 · LIBERTY HILL, TEXAS

August 2024 live-fire on a 7-inch single-wythe wall: 9mm, 5.56, .308, and .375 H&H Magnum at 50 meters. Zero penetrations.

Wall marked before the first round
Wall marked before the first round
Fifty meters
50 meters
Ammunition lineup
The lineup
.375 H&H crater
.375 H&H. No penetration.
375 round embedded in front of wall
375 round embedded in front of wall
The wall after the test
After. Zero penetrations.
FLOOD · JULY 2025 · HILL COUNTRY, TEXAS

July 2025 flooding put the Liberty Hill test wall under water.

Wall dry in January
January 2025 pre-flood
wall submerged, front view
wall submerged, front view
wall submerged, rear view
wall submerged, rear view
Wall intact in October with dog
26 October 2025
FIRE · FIELD TEST · COLORADO SPRINGS, COLORADO

Two hours inside the burn.

Ryan Runge, President of AECT, sat inside a CEB structure while pallets burned around it for nearly two hours. Thermal mass kept the interior survivable. Not a lab test.

Fire test setup
Setup
Interior before the burn
Interior
Pallets staged
Ignition
During the burn
During
After the burn
After

Credit: Ryan Runge, President, AECT. Watch the video.

TORNADO · 27 APRIL 2014 · VILONIA, ARKANSAS
Industry proof. Not a Parabellum job.

On 27 April 2014 an EF-4 cut a 41-mile path through Vilonia, Arkansas at 170+ mph. Sixteen dead. About 200 injured. Bark was stripped off the trees. A 10,000-pound AECT 5000 press was thrown and wrecked.

Credit: Ryan Runge, President, AECT.

01 Vilonia, Arkansas site. AECT 5000 press thrown and wrecked.
02 Vilonia, Arkansas debris field, closer view.

Same house. Debris field after the storm.