To avoid visual problems, asphalt shingles are typically coated with _____ colored granules.

Asphalt shingles are typically coated with different colored granules to enhance their visual appeal and to avoid visual problems. These colored granules not only contribute to the aesthetic value of the shingles, giving them a more attractive look, but they also serve practical purposes. The different colors help reflect sunlight and reduce heat absorption, which can prolong the lifespan of the shingles and improve energy efficiency in a home.

In contrast, using monochromatic granules would produce a single-color appearance that may not provide the same level of aesthetic variety or reflectivity benefits. Transparent granules would not effectively provide coverage or protection from UV rays, nor would they add any color to the shingles, resulting in a lack of visual interest. Plain granules would imply a lack of color variations, which would not be suitable for achieving the desired visual effects that manufacturers strive for in asphalt shingles. Thus, the application of different colored granules is essential for both functionality and appearance in roofing materials.