How long does a shingle roof typically last?
about 20 yearsSlate, copper and tile roofs can last more than 50 years.
Homeowners with wood shake roofs should expect them to last about 30 years, while fiber cement shingles last about 25 years and asphalt shingle/composition roofs last about 20 years, the NAHB found..
How long does a 30 year shingle roof last?
The truth is, a 30-year shingle will not really last 30 years. The expected service life of a 30-year product, if properly cared for, is approximately 25 years. If it’s not cared for properly, that 30 year shingle will only last 12 to 15 years. That’s one of the big misconceptions in the roofing marketplace.
How often does a shingle roof need to be replaced?
Composition Shingles: 12-20 years. Asphalt Shingles: 15-30 years. Wood Shingles: 20-25 years. Rubber Roofs: 30-50 years.
How long do 40 year shingles really last?
A 30 – year roof will last 30 years, right? Wrong! 30 – year shingles also known as laminated, dimensional or architectural shingles typically do not last 30 years. 20, 40, or 50 – year shingle will not last their designated years either.
Is it OK to put new shingles over old?
The answer is yes, you can lay new roof shingles over old ones. … You can’t do it with wood or slate, for example, and you should never mix materials, such as laying asphalt shingles over cedar shakes. Also, the old roofing has to be in pretty good condition. Otherwise you’re just putting lipstick on a pig.
How do you know when to replace roof shingles?
7 Warning Signs You Need a New RoofRoof age. How old is your existing asphalt shingle roof? … Shingles curling and buckling. Shingles that are curled or buckling are another sign that you may need a new roof. … Roof valleys. … Missing shingles. … Chimney flashing. … Shingle granules in the gutters. … Daylight through the roof boards.