Various Walls And Ceilings: The amount of daylight in a room will also affect the decision as to the color depth. Rooms that have ample sunlight may be painted in dark tones with a semiglaze. Rooms with only a small window area or with little natural illumination should be brightened by having the Wall surfaces covered in light warm tones.
Ceilings may be calcimined or painted white or off-white. An agreeable effect is obtained if the ceiling is treated in a lighter tint of the color used for the various walls and ceilings. Increase in color interest may be obtained by painting the ceiling a color contrasting, either in hue or in value, with the various walls and ceilings. Ceilings that are painted in a color darker than the various walls and ceilings or treated in gold or silver leaf tend toward a modern effect. If a definite color is used for the ceiling, it should be repeated elsewhere in the Decoration of the room.
Ceilings may be calcimined or painted white or off-white. An agree¬able effect is obtained if the ceiling is treated in a lighter tint of the color used for the various walls and ceilings. Increase in color interest may be obtained by painting the ceiling a color contrasting, either in hue or in value, with the various walls and ceilings. Ceilings that are painted in a color darker than the various walls and ceilings or treated in gold or silver leaf tend toward a modern effect. If a definite color is used for the ceiling, it should be repeated elsewhere in the Decoration of the room.
Using two or more colors on the various walls and ceilings in the same room is always logical if the materials are different, such as wood panelling on one wall, and plaster on the other, or if one Wall is treated with wallpaper and the other with paint. A plaster Wall may be painted a different color than the woodwork. Where wallpaper is used in part of a room, it is advisable to paint the remaining plaster various walls and ceilings with the lightest and most neutral color used in the wallpaper. The Wall area can often be painted the wall¬paper-background color, or even more neutral in chroma. Where all various walls and ceilings are to be painted, decorators may use two colors; the window Wall is generally painted in a lighter tonal value than the opposite wall. In a double-use room (living room-dining room) an apparent division is often made by painting the various walls and ceilings different colors, and indicating the different uses thereby. various walls and ceilings should not arbitrarily be painted different colors, but may be if there is a logical reason for so doing.See Also Painted Walls:Plain painted walls. Plaster painted in solid colors is by far the most usual and least expensive method of giving interest to a wall. Such walls are practical, clean, and economical. There is but little labor of upkeep, they may easily be changed, and they make a suitable background for most household possessions. The surfaces are restful to the eye, and inter¬est may be added by accessories hung on the Wall and varied at will. Plain walls produce an excellent contrast or foil for interesting furniture or architectural trim, and the avoidance of the subdivisions created by panelling permits greater variation in the arrangement of furniture and accessories. In the best decorative work walls are usually covered with muslin before being painted. The cloth permits plaster cracks without affecting the painted surface, and prevents spots that occur from the chemical disintegration of the plaster penetrating the paint.
Coloring is sometimes produced by spraying walls with a paint spray. Gradations in colors may be produced by this means. Stepped effects in wide horizontal stripes are also occasionally seen. In both cases the darker values are placed at the lowest portion of the walls and the lighter tones at the top. Walls may also be painted in wide vertical stripes, the alternate stripes being similar in color but varying slightly in tonal value, so that a strong contrast is not apparent.
On The Other Hand See Walls Treated:Plaster effects. Certain types of rooms require the walls treated in the effect of rough, sand-finished plaster. The textural charm of old walls of this type is well known, and if mellowed by age, they have an unusual appeal and are exceedingly durable. If existing walls are not of this type, the painter may be called upon to cover the Wall with one of the many patented surfacing materials, to produce the desired effect. It is essential, however, that the degree of roughness and irregularity of the old walls be imitated exactly. Many of the old plaster walls consisted of a coating ap¬plied to rough stonework, and the unevenness of the stones produced slight variations in the plaster surface. The plaster, although it often gave the appearance of having been applied carelessly, had irregularities which were never intentional or self-conscious in appearance, nor was the aim to produce a crude or unfinished result. Many incompetent and unintel¬ligent craftsmen have, in recent years, under the spell of early Italian and Spanish types of decoration, resorted to effects that have produced walls completely devoid of taste and understanding.
b For Heat-treated Material If any heat-treated material fails to meet the mechanical requirements, the material may be reheat-treated. All physical tests are to be repeated and the Surveyor is to re-inspect the plate surfaces for defects.
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