Painting Terms
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Earth Pigments - A class of pigments which are produced and processed directly from materials mined from the earth. Commonly referred to as natural or mineral pigments of color.
Ease Of Application - Characteristics of a paint or caulk that facilitate its application, e.g., spatter resistance, lapping properties, and open time.
Eaves - That portion of a roof which projects over the side wall.
Edging - To scribe or remove excess paint or to apply paint by cutting-in at corners or edges of surface intersections; the ceiling and wall, for example.
Edging Stick - A custom-shaped wood stick used for touching up the unfinished edges of cabinets and other wood trim.
Efflorescence - Crusty, white salt deposits leached from masonry or mortar as moisture passes through. Usually caused by - excessive moisture; inadequate venting of interior moisture laden areas; pH level too high; or excessive lime in concrete mix.
Eggshell - A matt or dull finish of paint resembling the sheen of an eggshell.
Elasticity - The ability of paint to expand and contract with the substrate without suffering damage or changes in its appearance. Expansion and contraction are usually caused by temperature fluctuations. Some substrates such as yellow pine expand at different rates depending on the type of their grain. Elasticity is a key to durability. Acrylic binders are noted for their elasticity.
Electro Coating - Electro coating is a method of organic finishing which uses electrical current to deposit the paint. An electro coat system applies a DC charge to a metal part immersed in a bath of oppositely charged paint particles.
Electrostatic Coating - A spray electro coating process which employs the particle-attracting property of electrostatic charges to coat a metal surface. The liquid coating material is sprayed through an electrically-charged grid of wires to charge the coating particles and the target metal surface is connected to the opposite terminal of the electrical circuit so as to attract the coating particles.
Electrostatic Paint - Paint which carries an electrostatic charge.
Electrostatic Painting - An electrostatic coating process which utilizes paint as the coating material.
Electrostatic Spraying - A spraying process in which the droplets of sprayed material are given an electrical charge, creating an attraction between the droplets and the surface to be coated.
Elevation - An architectural drawing of a horizontal view of a surface. Exterior elevations show all sides of a building. Interior elevations show the front view of an interior structure such as cabinets or bookshelves.
Emulsifier - A substance which modifies the surface tension of a solid, liquid or gas, causing it to stay suspended.
Emulsion - A mixture of liquids which are insoluble in one another.
Emulsion Paint - Paint in which particles are suspended in water or oil with the aid of an emulsifier as in latex paint.
Enamel - (1) Topcoat which is characterized by its ability to form a smooth surface; originally associated with a high gloss, but may also include lower degrees of gloss, i.e., flat enamels. (2) A class of substance having similar composition to glass with the addition of stannic oxide, SnO2, or other infusible substances to render the enamel opaque.
Environmental Protection Agency (EPA) - An agency of the federal government that has the responsibility of protecting the environment.
Epoxy - A tough, water-resistant and chemical-resistant polymer or coating, adhesive or patching material made with this type polymer; usually made with two components blended at time of application.
Epoxy Resins - Catalytic chemical bonding systems used in the preparation of special coatings or adhesives.
Erosion - The wearing away of a paint film caused by exposure to the weather.
Escalator Clause - A provision in a contract stipulating an increase or decrease, as in wages, benefits, or prices, under certain conditions, such as changes in the cost of living or in the cost of materials.
Estimating - Forecasting the costs at a future time by calculating the approximate value of labor, material, equipment, overhead, profit and other costs required to produce a finished product or phase of a product.
Etch - Surface preparation by chemical means to improve the adhesion of coating.
Etching - The process of cutting or engraving lines into a surface with a cutting tool or by the use of a strong acid. Etched surfaces allow greater paint adhesion.
Extender - A low-hiding, inexpensive pigment that fills out and extends the high-hiding and colored pigments' capabilities, provides bulk to the paint, and can positively or negatively have an impact on many properties. Some common extenders are clay, calcium carbonate, and silica.
Extensions - Applying an arithmetic process (addition, subtraction, multiplication or division) to a set of estimated values which result in an intermediate or final cost value.
Exterior - The outside surfaces of a structure.
Exterior Trim - Wood or metal moldings on the exterior of a structure.
Extra Work - Construction operations which are in addition to the scope of work on the original contract agreement.
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