Glossary of Terms

- U -


U VALUE: The overall heat transmission coefficient. Expressed in BTU per inch, per hour, per square foot, per degree Fahrenheit of temperature difference from air to air of a given building section.This is always the final calculation used to determine insulation specifications.

UNIT: A piece of fabricated dimensional cubic or thin stone.

UNDERCUT: Cut so as to present an overhang part, as a drip mold.

UNDERLAYMENT: Factory proportioned combination of portland cement, sand and additives used with or without a latex liquid to level an uneven substrate and to provide a suitable stone floor tile setting surface.

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