When painting the exterior of a house, learn these valuable tips that can save you time by preparing properly for the project, from DIY Network..For the cost of a few cases of exterior paint, plus some patching and sanding, you can have a whole new home.A good exterior paint is percent acrylic latex. The formula consists of three main components Pigments, which provide the color. Binders, which hold the pigment to the wall. Solvents, which make the paint spreadable. Today, most exterior paints are water based..Depending on intensity of hue, apply one or two coats of flat or egg.terior paint to entire house. Be sure to work your way from top to bottom in a smooth, controlled manner, overlapping each stroke by inches. TIP When changing exterior color from light to dark or dark to light, start with a coat of primer to ensure proper coverage..
Sand and Wash. Paint won t adhere very well to dirty or rough surfaces, so be sure to clean the siding and trim thoroughly, allow to dry, and sand. Be sure to sand or scas needed anyling paint to create a solid surface for the paint to adhere..