Flocculation

Non-uniform dispersion of pigments.


Flogger

Flogger used for graining to produce a distressed appearance by tapping the brush while in a downward direction over wet scumble.


Flooding

Instances where the pigment particles float to the surface and the resultant colour is different from the original colour in the wet stage.


Flotation

Surface floating – separation of individual colour pigments in a paint coating, (see Flooding).


Flow

Self-spreading ability of a wet coating without leaving brush or roller marks.


Flow Cup

A viscosity measuring device. Also known as BS cup, viscosity cup.


Fluorescent Paints

Paints which incorporate special pigments producing brilliant colours.


Foaming

Frothing of a paint coating during application.


Forced Drying

Accelerated drying by increasing the temperature above the ambient temperature.


Fresco

Applying lime based paint onto wet lime plaster.

Decorating skill needed to produce  a good finish.