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Dead Flat:
A coating or surface having no gloss or sheen.
Deck Coating:
A pigmented coating designed for application to horizontal walking surfaces such as decks and porches. In most cases a coarse aggregate is added where slipping is a concern (i.e. non-skid).
Deep Base:
A paint base, generally containing a small amount of prime pigment, used for tinting moderately dark or strong colors.
Deep Color:
An intense or strong color with no apparent appearance of black. Also called an accent color.
Deglosser:
A liquid alternative to sandpaper (e.g. TSP, various strong solvents, or commercially available preparations). Used to remove the gloss of a conventional coating in order to improve adhesion of subsequently applied coatings by providing some mechanical ‘tooth’.
Descaling:
The mechanical or chemical removal of mill scale and/or tied rust from a ferrous surface.
Dew Point:
The temperature at which condensation of water vapor in the air takes place. This can be calculated from temperature and humidity.
DFT:
Dry Film Thickness
Direct To Metal (DTM):
A coating applied to metal without the use of a primer.
Discoloration:
The change in color from the original color in the cured coating. This can be caused by many different factors such as UV degradation, chemical reaction, staining, etc.
Drawdown:
Preparation of a paint film of a fixed uniform thickness using a doctor blade type of application device. Often requested by architects and designers in order to evaluate the characteristics of the specified or desired paint.
Drop Cloth (Sheet):
A plastic or cloth (usually canvas) sheet used to protect items or areas that are not to be painted from overspray, drips, or spatter during a paint application.
Dry Brush:
A technique used in which a coating is applied sparingly with a semi-wetted brush. Commonly used to touch-up and for faux finishing.
Dry Fall (Dry Fog):
A paint designed to be applied by spray and dries fast enough that the overspray will be dry powder after falling a certain distance. The dust can then be swept or vacuumed up.
Dry Time:
The amount of time for a coating to reach a specified degree of cure under standard conditions of 73 +/- 4 degrees F. (23 +/- 2 degrees C.) and 50 +/- 5% relative humidity, or another specified set of conditions. Where dry times are reported, it is normally assumed, unless otherwise noted, that standard conditions were used.
Dry to Recoat:
Time interval between application and ability to receive next coat satisfactorily. See Dry Time.
Dry To Sand:
Drying stage at which a coating can be sanded without the excess clogging of the sandpaper.
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