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Asphalt Roof Shingle FAQs
Q&A on Asphalt & Fiberglass-based Asphalt Shingles
- POST a QUESTION or COMMENT about asphalt roofing: installation, inspection, leak or failure diagnosis, repair, replacement, warranties
Q&A about asphalt roof shingles: installation, inspection, leak or other failure diagnosis, repairs.
This article series on asphalt roofing explains how to recognize and diagnose the cause of the most-common asphalt roof shingle failures and how to obtain asphalt roofing shingle failure claims assistance.
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Guide to Asphalt Roofing Shingles: installation, inspection, troubleshooting, repair
These questions & answers about asphalt roof shingles and their installation, leaks, wind-damage, failures, inspection or repair were posted originally at ASPHALT ROOF SHINGLES - please be sure to check that home page.
On 2019-01-23 by (mod) - broken ridge cap shingles
Jim:
I can see long vertical splits/cracks/tears through multiple shingle courses tot he right of the lower shaded dormer.
That's not wind damage it's as you suspect - thermal splitting as we discuss at https://inspectapedia.com/roof/Asphalt_Shingle_Cracks_Splits.php CRACKS in FIBERGLASS SHINGLES
I would expect you to find similar damage in other roof areas and I'd expect an on-site up-close inspection to confirm the situation if all of the slopes have the same product of the same age.
Please tell me the roof's location: country and city,
the roof age
The shingle brand and specific product
You might get some argument about cause given that it looks as if the roof is un-vented, but even with a too-hot roof (some manufacturers void the warranty if it's not vented properly), this looks like a product failure not anything else.
The wind damage is principally a separate issue.
Sorry to say I suspect that insurance from your homeowners policy isn't going to cover a product defect - do let me know what you're told.
On 2019-01-23 by Jim S
Here is an additional photo of the roof.You have to zoom in to see the splitting. Notice the broken ridge caps. I need your honest opinion of the damaged roof and what caused the splitting?
Thank you
IMAGE LOST by older version of Clark Van Oyen’s useful Comments code - now fixed. Please re-post the image if you can. Sorry. Mod.
On 2019-01-23 by (mod) - wind damaged asphalt shingle roof - insurance questions
Jim:
Of course you have my "honest" opinion - why on earth would someone give you a deliberately dishonest (as opposed to mistaken) opinion?
Your second photo shows that the roof looks a bit old - I see shingle cupping and what looks like lichens on the shaded slope.
Even if the manufacturer will warrant the shingles that'd cover at most the material cost, pro-rated by age.
So I look forward to reading the roof specifics as I asked in my prior comment.
I can see long vertical splits/cracks/tears through multiple shingle courses tot he right of the lower shaded dormer.
That's not wind damage it's as you suspect - thermal splitting as we discuss at https://inspectapedia.com/roof/Asphalt_Shingle_Cracks_Splits.php CRACKS in FIBERGLASS SHINGLES
I would expect you to find similar damage in other roof areas and I'd expect an on-site up-close inspection to confirm the situation if all of the slopes have the same product of the same age.
Please tell me the roof's location: country and city,
the roof age 
The shingle brand and specific product
You might get some argument about cause given that it looks as if the roof is un-vented, but even with a too-hot roof (some manufacturers void the warranty if it's not vented properly), this looks like a product failure not anything else.
The wind damage is principally a separate issue.
Sorry to say I suspect that insurance from your homeowners policy isn't going to cover a product defect - do let me know what you're told.
On 2019-01-23 by Jim S- I need your honest opinion on this wind damage
Here is an additional photo of the roof.You have to zoom in to see the splitting. Notice the broken ridge caps.
I need your honest opinion of the damaged roof and what caused the splitting?
Thank you
Great website. Very informative. I have attached o drone photo of the roof. It appears to have thermal splitting and missing shingles from a wind storm.
Should the insurance company have the roof replaced? What is your opinion on the roof damage?
On 2017-11-08 by Steve sherman
I had Owings Corning shingles installed in 4/17 I have stains from the shingles on the fascia. OC says these unsightly stains are normal and water soluble. They need a solvent to remove them. Please advise
On 2017-10-27 by BOB
Why is their not a class action law suit against these foofing shingle manufactures that sell shingles that turn black in months?
Disgusting that 1000s of people are buying shingles that have black streaks running down them and make your new house look like a giant TURD. Yet nothing is being done about it.
I just removed a 20 year roof with not 1 black spot on it. Why can these manufactures continue to get away with this? Houses all
look like ... with this ugly black streaks.
On 2017-10-11 by (mod) -
Terry,
To have space and to permit illustration I repeat your question and give a reply in the article ASPHALT ROOF SHINGLES .
You may need to clear your browser cache and it may take 24 hours for the updated page to appear on your web server. Take a look and let me know what questions remain.
On 2017-10-11 by terry
how to use roofing jacks =
On 2015-11-10 by (mod) -
Drew
I'm sorry you ended up with a color shingle you didn't want but what remains is a legal question. I'm a technical guy but not one equipped for legal debate. I imagine you'd find the cost of legal remedy exceeds the cost of the roof or the value an arbitrator would place on colour.
On 2015-11-10 by Drew T
Home Depot installed the wrong color Timberline shingles on my home.
When signing the contract, I spoke with the advisor and pointed to Oyser Gray in the tri-fold. It is a black shingle with specles of light blue and gray. He wrote down Shakewood and I did not take notice of the the specific color Name, only assuming that what he wrote down was what I selected.
I could not be there for the installation, and now I have a Brown shingled roof on a light blue/gray home. This is a very unusual situation, as the quality of the install is not currently being questioned, just that they wrote down the wrong color.
I offered to pay material as I feel I am also accountable, as I signed the contract, but they now want me to pick up over 75% of the re-installation costs as they said they did not do anything wrong. But neither did I. After scrutinizing every other portion of the contract
, I was not expecting that I needed to be an expert on roofing shingle color tile naming conventions as well. Any advise on how to proceed with HD? Their district sales manager will not budge on me paying the original roof installation ($9000) + ($5500) to redo it in the right color.
On 2015-09-21 by (mod) -
Frank:
There are acrylic paints that will bond to asphalt shingles but I agree with Carlton that stains such as those used on wood decks are not suitable and in fact may include solvents that are harmful to the roof.
Some elastomeric paint manufacturers do not recommend that paint type on asphalt shingles though the "roof can't breathe and won't dry out" argument needs more scholarly and expert citations than the speculation I've read elsewhere.
On 2015-09-21 by Carlton
The shingles have granules (small rocks) that are different colors/shades that gives them the appearance. A roof would not take a stain. As frank mentioned you can paint it but it will void any warranty that your roof had. I know there are many systems out there to paint it. I would call your local ABC Supply and ask what they keep in stock.
On 2015-05-18 by (mod) -
Frank
Use a roof paint formulated for and approved for coating asphalt roofing shingles.
On 2015-04-23 by frank
i would like to change the color of my asphalt shingles // i am interested in a stain , and very concerned about paint // what kind of stain is used in the manufacture of the shingles // frank
On 2013-01-02 by steve jurovic
i understand from experienced roofing companies that almost all residential roofing projects are via insurance claims. would this be a correct statement. what about non-insurance residential projects, are they just very few ?
On 2012-08-26 by Donna
What can I do ? I'm not sure If the deadline for the lawsuit against certainteed is over the deadline .
My roof is damaged and it's from certainteed organic shingles.
I bought the home in 2003 the home was built in1998 I was the second owner.
The shingles have a 20 yr warranty .
Thanks
On 2012-06-01 by (mod) -
Kate,
An answer to your question of 3-tab (with slots between tabs) or solid asphalt shingles is an OPINION, but if you consider that a full tab is continuous and thus provides more wear surface than cutout tabs, it ought to be a longer-lasting roof.
The shingle tab cutouts are there for aesthetic or cosmetic reasons and have nothing to do with wind damage to an asphalt shingle roof. Both solid and cutout shingles can fail to seal properly or can be nailed incorrectly, inviting wind damage.
On 2012-06-01 by Kate, May 31 , 2012
When installing new shingles which would you prefer the three tab or the new one piece fiberglass one ,
I have been hearing alot about the one piece, but it is not good, over the pass year the shingles have been blowing off and people are having to replace the shingles again .They have had roofers installing it but of course the warranty always has something to blame it on.
I think where it is a full tab shingle the wind get under it and where it is all one piece it all lifts up and the wind tears it off .Where as the three tab when the wind blows only the one flap tips up if wind happened to get under it . What are you thoughts ?
On 2012-03-18 by Mark
Could someone give me some advice. I am about to work on a corrigated asphalt roof that is in very poor condition. On first inspection it very dark in colour but doesn,t appear to have aspestos fibres in it. The roof appears to be very old. Did they make corrigated asphalt product with aspestos in them? Thanks Mark
On 2011-11-29 by Bill
I am buying a house an I have notice in pictures that the shingle roof constructed with particle boards. The seamlines are visable and the shingles are raised the entire length. My realitor is trying to tell me it exspansion? This house is in north Georgia and I live in Florida and for over 45 years. I have never seen any roof that looks like this! I am having it inspected.I have had a family member physically look at it from the street and inside the attic he didn't notice anything. What do you think I am dealing with?
On 2011-10-03 by (mod) -
Pat,
Many community building departments take advantage of ANY building permit request to try to upgrade safety in the community by tacking on a CO detector requirement.
That decision may be based on oral policy, opinion of the code inspectors, or even local legislation. It doesn't have much to do with the roof itself.
On 2011-09-09 by Pat
Why does the building permit for a new asphalt roof say that carbon monoxide detectors need to be installed in the house?
On 2011-08-24 by (mod) -
Hill,
certainly both wind-damaged and wind-lifted asphalt shingles can be repaired.
If the shingles are cut and torn from wind damage those will need to be replaced individually.
If asphalt shingle tabs are lifted up because their self-sealing tabs did not hold, adding a small dab of roof mastic sealant below individual shingle tabs is a common repair step. Be careful not to blob on so much mastic that you make a tarry mess on the exposed shingle surface.
On 2011-08-24 by hILL
Is fiberglass shingles lifting from wind repairable?
On 2011-04-30 by Anonymous
cost of a ripe off roof for 2200 sq ft home
...
Continue reading at ASPHALT SHINGLE FAILURE TYPES or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX.
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- ASPHALT SHINGLES on LOW SLOPE ROOFS
- ASPHALT SHINGLE PROPERTIES
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ASPHALT ROOF SHINGLE FAQs at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.
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Citations & References
In addition to any citations in the article above, a full list is available on request.
- Best Practices Guide to Residential Construction, by Steven Bliss. John Wiley & Sons, 2006. ISBN-10: 0471648361, ISBN-13: 978-0471648369, Hardcover: 320 pages, available from Amazon.com and also Wiley.com. See our book review of this publication.
- Decks and Porches, the JLC Guide to, Best Practices for Outdoor Spaces, Steve Bliss (Editor), The Journal of Light Construction, Williston VT, 2010 ISBN 10: 1-928580-42-4, ISBN 13: 978-1-928580-42-3, available from Amazon.com
- The Journal of Light Construction has generously given reprint permission to InspectAPedia.com for this article. All rights and contents are ©Journal of Light Construction and may not be reproduced in any form.
- Architectural elements: the technological revolution: Galvanized iron roof plates and corrugated sheets; cast iron facades, columns, door and window caps, ... (American historical catalog collection), Diana S Waite, available used out of Amazon.
- Asphalt Roofing Residential Manual from ARMA the Asphalt Roofing Manufacturers Association Website https://www.asphaltroofing.org/product/residential-asphalt-roofing-manual/ ,
- Building Pathology, Deterioration, Diagnostics, and Intervention, Samuel Y. Harris, P.E., AIA, Esq., ISBN 0-471-33172-4, John Wiley & Sons, 2001 [General building science-DF] ISBN-10: 0471331724 ISBN-13: 978-0471331728
- Building Pathology: Principles and Practice, David Watt, Wiley-Blackwell; 2 edition (March 7, 2008) ISBN-10: 1405161035 ISBN-13: 978-1405161039
- Green Roof Plants: A Resource and Planting Guide, Edmund C. Snodgrass, Lucie L. Snodgrass, Timber Press, Incorporated, 2006, ISBN-10: 0881927872, ISBN-13: 978-0881927870. The text covers moisture needs, heat tolerance, hardiness, bloom color, foliage characteristics, and height of 350 species and cultivars.
- Green Roof Construction and Maintenance, Kelley Luckett, McGraw-Hill Professional, 2009, ISBN-10: 007160880X, ISBN-13: 978-0071608800, quoting: Key questions to ask at each stage of the green building process Tested tips and techniques for successful structural design Construction methods for new and existing buildings Information on insulation, drainage, detailing, irrigation, and plant selection Details on optimal soil formulation Illustrations featuring various stages of construction Best practices for green roof maintenance A survey of environmental benefits, including evapo-transpiration, storm-water management, habitat restoration, and improvement of air quality Tips on the LEED design and certification process Considerations for assessing return on investment Color photographs of successfully installed green roofs Useful checklists, tables, and charts
- Handbook of Building Crafts in Conservation, Jack Bower, Ed., Van Nostrand Reinhold Company, NY 1981 ISBN 0-442-2135-3 Library of Congress Catalog Card Nr. 81-50643.
- Historic Preservation Technology: A Primer, Robert A. Young, Wiley (March 21, 2008) ISBN-10: 0471788368 ISBN-13: 978-0471788362
- Patio Roofs, how to build, Sunset Books
- Problems in Roofing Design, B. Harrison McCampbell, Butterworth Heineman, 1991 ISBN 0-7506-9162-X (available used)
- Roofing The Right Way, Steven Bolt, McGraw-Hill Professional; 3rd Ed (1996), ISBN-10: 0070066507, ISBN-13: 978-0070066502
- Slate Roofs, National Slate Association, 1926, reprinted 1977 by Vermont Structural Slate Co., Inc., Fair Haven, VT 05743, 802-265-4933/34. (We recommend this book if you can find it. It has gone in and out of print on occasion.)
- Roof Tiling & Slating, a Practical Guide, Kevin Taylor, Crowood Press (2008), ISBN 978-1847970237,
If you have never fixed a roof tile or slate before but have wondered how to go about repairing or replacing them, then this is the book for you. Many of the technical books about roof tiling and slating are rather vague and conveniently ignore some of the trickier problems and how they can be resolved. In Roof Tiling and Slating, the author rejects this cautious approach. Kevin Taylor uses both his extensive knowledge of the trade and his ability to explain the subject in easily understandable terms, to demonstrate how to carry out the work safely to a high standard, using tried and tested methods.
This clay roof tile guide considers the various types of tiles, slates, and roofing materials on the market as well as their uses, how to estimate the required quantities, and where to buy them. It also discusses how to check and assess a roof and how to identify and rectify problems; describes how to efficiently "set out" roofs from small, simple jobs to larger and more complicated projects, thus making the work quicker, simpler, and neater; examines the correct and the incorrect ways of installing background materials such as underlay, battens, and valley liners; explains how to install interlocking tiles, plain tiles, and artificial and natural slates; covers both modern and traditional methods and skills, including cutting materials by hand without the assistance of power tools; and provides invaluable guidance on repairs and maintenance issues, and highlights common mistakes and how they can be avoided. The author, Kevin Taylor, works for the National Federation of Roofing Contractors as a technical manager presenting technical advice and providing education and training for young roofers. - Smart Guide: Roofing: Step-by-Step Projects, Creative Homeowner (Ed), 2004, ISBN-10: 1580111491, ISBN-13: 978-1580111492
- In addition to citations & references found in this article, see the research citations given at the end of the related articles found at our suggested
CONTINUE READING or RECOMMENDED ARTICLES.
- Carson, Dunlop & Associates Ltd., 120 Carlton Street Suite 407, Toronto ON M5A 4K2. Tel: (416) 964-9415 1-800-268-7070 Email: info@carsondunlop.com. Alan Carson is a past president of ASHI, the American Society of Home Inspectors.
Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The HOME REFERENCE BOOK - the Encyclopedia of Homes and to use illustrations from The ILLUSTRATED HOME .
Carson Dunlop Associates provides extensive home inspection education and report writing material. In gratitude we provide links to tsome Carson Dunlop Associates products and services.
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