Gypsum was formerly known as Plaster.
It was a combination
of calcium carbonate, glue and horse hair
the Roman Empire made every building component from molds
created a mold poured in the plaster into the mold and duplicated
wall motifs, and other interior elements.
Today we have
taken the original Plaster added fiberglass and polymers to create a
is a Light Weight Alpha Gypsum strong
enforced plaster material
that meets Class A or ASTM-E84 fire codes.
It is 2-3lbs per sq foot for interior
architectural elements such as