What is the typical size of asphalt shingles?

The typical size of asphalt shingles is 12 inches by 36 inches. This measurement reflects a common standard in the roofing industry, which often recommends this size for efficient coverage and installation. These dimensions allow for appropriate overlap during installation, which is crucial for ensuring adequate weatherproofing and protection against the elements.

Other sizes, such as those listed in the other choices, are not standard for asphalt shingles. While shingles may come in a variety of sizes and styles, 12x36 is among the most prevalent, making it easier for contractors to follow best practices in roofing installation and maintaining consistency in their work. Understanding this standard size is essential for those preparing for an Illinois Unlimited Roofing License, as it relates to various aspects, including estimating materials and executing compliant roofing practices.