Takeoff and Estimating Glossary

Amps (amperes)

Amps are one of the most important measurements in electricity. Every electrical device relies on a certain amount of electrical current.

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SQ (Square)

A Square is a standard unit used in roofing to measure surface area, equal to 100 square feet.

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Sfca Construction

SFCA assists teams to break down costs into distinct groups, thereby ensuring that a more consistent tracking of costs across projects.

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British Thermal Unit

BTU is one of the most common ways to represent the capacity of heating and cooling systems. Think of it like this: A small room needs fewer BTUs to stay comfortable, and a larger room needs more BTUs because there’s more space to heat or cool.

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R-Value

R-value is a measure used in construction to determine how well a material resists heat flow and is commonly applied to insulation to improve energy efficiency in buildings.

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GEA

GEA refers to the total floor area of a building measured to the outer face of external walls, giving a complete view of the building’s overall size.

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D-Load

D-Load is the permanent weight of a building’s materials and fixed components that the structure must support over time.

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