You scuff up existing paint for two reasons. First, you want to get rid of any oil, grease or dirt trapped in the top layer of paint. This is the stuff that cleaners and degreasers can't get off. The second reason to scuff is to set up a physical bond for the new primer and paint to adhere to. You want to give the old paint some tooth so the new sticks better.
Fire-retardant paints do not resist fires completely but its fire-resistance formulation prevents it from fire in spreading fast.
THE BRUSHWORK. Depending on the art movement and personal peculiarities of the artist, the brushwork can range from delicate and almost invisible to rough and plastic.
EXTERIOR PAINTING. In buying paints that you are going to use for your exterior house, you have to pick a brand that has essential characteristics: hiding power, color retention, chalk-resistance, and blister resistance.
HUE-VALUE-INTENSITY. Hue: Without getting too technical, and to put things into laymen's terms, hue is just another word for color. For instance, grass and leaves are two variations of a green hue.
Some manufacturers recommend their vinyl paints for interior as well as exterior use; others say no, not so good. There are vinyls made specifically for interiors.
Orange color is a color of warmth, bliss, heat, but at the same time it is a color of the glitter of the setting sun. It is always pleasing to the eye and contributes to good mood. Almost always orange color has a positive beneficial influence.