Sustaining the Future
Join UPSA INC in building a sustainable future. As hundreds of surviving structures built during the Roman Empire attest, volcanic ash remains the key super binding additive in concrete mixing. The time-honored production process can now be replicated by USPA INC, which has a vast inventory of natural Pozzolana sand.
The result is concrete that is stronger, less expensive to produce and far less harmful to the environment. Whether seaside retaining walls, aqueduct, or buildings such as the Pantheon, concrete structures built during the Roman Empire have withstood the test of time, many of them still functioning today.
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