Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. With over 10 years of experience in writing, editing and SEO content ...

Replacement of the whole roof is necessary when these problems become evident. Age. Asphalt shingle roofing needs to be replaced every 15 to 20 years unless your home has 30 or 40-year shingles on it.