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About JD Shoemaker
Expertise
Residential roofing specialist. Velux Skylights Certified Installer 2008-09. Box Gutter craftsman. Coppermsmith / Tinner. Certified EPA Asbestos Handler GAF Master Elite Contractor ELK 2006 Roofer of the Year / Midwest Region Owens Corning Preferred Contractor Certainteed Lifetime Wizard Certainteed Shingle Master Certainteed Quality Master Angie's List Super Service Award winner: 2006-2007-2008 Press Community Paper, Cincinnati's Favorite Roofer 2009

Experience
A second generation roofer....working my son into the business now!

Organizations
National Roofing Contractors Association, National Roofing Contractors Association, Midwest Roofing Contractors Association, Kentucky Roofing Contractors Association, Ohio Roofing Contractors Association, Tri-state Roofing Contractors Association, HBA-NKY, BBB, Angies List, Professional Roofers Advisory Council 10 Year Member

Publications
Professional Roofers Magazine, Slaters Journal, Press Community Paper

Education/Credentials
GAF Roof School 2005 MRCA Shingle Course 2006 Angie's List Super Service Award Winner 2007

Awards and Honors
Angie's List Super Service Award Winner 2006, 2007, 2008

Past/Present Clients
WLWT, Gold Star, Auto Zone, Ryans Allglass, McAlpins, Wendy's, Quick Stop,

You are here: Experts > Home/Garden > Home Improvement/Repair > Roofing > Longevity of 25-year shingles

Roofing - Longevity of 25-year shingles

Expert: JD Shoemaker - 11/7/2009

Question
Hi,

I am buying the house I've been renting for 4 years. My landlord claims that the roof was replace 11 years ago with 25-year shingles. The appraiser stated that he thought the roof had 2 more years left before replacement but only wrote that shingles were curling on the appraisal. I've heard many different responses from people - from 25-year shingles only last about 10 years to there is no way that the roof should be replaced. I know that the weather varies a lot and that the exact life can't be predicted but about how long should they last?

Thanks,
Nicole

Answer

Rooftime proper vents

Hello from Okay...a sunny and beautiful Cincinnati Ohio.....Congratulations on the home purchase!

Shingles can carry warranty from 20 years all the way through LIFETIME....the version you have is known as a 25 YEAR, STRIP three tab, fiberglass shingle.

The manufacturer's base a material warranty on the roof SYSTEM being installed with (1# all the needed pieces such as VENTS, FLASHING, UNDERLAYMENT. being used, and #2) the system being installed correctly by the roofers.

Your friends who tell you that no way should you need a roof at this time, are correct, as long as, the roof was installed CORRECTLY!

One thing that caught my attention was the fact that your roof is cur;ling at 11 years old. This generally is a sign that the roof shingles are "cooking" and getting too hot, meaning a lack of proper roof ventilation.

All manufacturer warranties are void if the roof is improperly ventilated.

There is a formula roofers, agents, and inspectors and Realtors can use to determine the proper vent spec for a home.

http://www.inspect-ny.com/interiors/atticcond7.htm

Do this: call out 3 roofers from your area and request a roof bid. They will make the inspection, write up the details, and make their recommendations. Then take the quotes to the seller, and see what can be worked out on the price!

Good Luck!

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