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    Replace shingles

    It seems like every house in my neighborhood has been getting new shingles over the last 6 months. A lot of different builders so I assume different shingles. How long do they usually last and what's the cost for an average two story house?



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    Re: Replace shingles

    Asphalt shingles should be at least like 20 years right?



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    Re: Replace shingles

    Quote Originally Posted by dmclone View Post
    It seems like every house in my neighborhood has been getting new shingles over the last 6 months. A lot of different builders so I assume different shingles. How long do they usually last and what's the cost for an average two story house?
    I think my dad always says something like if the shingles last 75% of what the manufacturer says, you are usually doing pretty good. So 30 year shingles should last 20+ years easy.

    No idea on cost though. Depends on how large the roof is, how many exhaust pipes are coming out, and how steep the pitch is.

    Edit: And how many layers of shingles are already up there.


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    Re: Replace shingles

    Owens corning offers 50 year warranties if you have a certified contractor install them. Depends on how many square of roofing you have and how steep, but I would guess about 8k.



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    Re: Replace shingles

    There isn't a house in my area that is over 10 years old



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    Re: Replace shingles

    Quote Originally Posted by cmjh10 View Post
    Edit: And how many layers of shingles are already up there.
    Do additional layers of old shingles increase or decrease the life of the new ones?


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    Re: Replace shingles

    Quote Originally Posted by VeloClone View Post
    Do additional layers of old shingles increase or decrease the life of the new ones?
    I would think they would decrease the life. Not as good of a hold, so wind and water damage is more likely.


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    Re: Replace shingles

    It's against code to add another layer of shingles around here. We have to tear off existing



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    Re: Replace shingles

    Quote Originally Posted by dmclone View Post
    There isn't a house in my area that is over 10 years old
    Have you had any high winds / storm damage? I'd think even cheap asphalt shingles should last longer than 10 years.



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    Re: Replace shingles

    Quote Originally Posted by dmclone View Post
    There isn't a house in my area that is over 10 years old
    If it was a big arse building development, all of the parts of the house (shingles included) were probably as low end as possible. I'm not surprised what they put up only lasted 10 years.

    Shingles come rated for lifespans, with longer life shingles costing more. As was said, roofing costs are based on how many square you have (10'x10'), pitch, and how complex the roof line is. Also, the solid shingles (as opposed to three-tab) last longer. I used to work for my family's construction company and have done my fair share of roofing. I would know.



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    Re: Replace shingles

    Severe storms with strong wind and hail can quickly reduce the lifespan of your shingles.

    I love how every house in my neighborhood had enough damage to replace the roof (all essentially the same age houses with original roofs) but my insurance company contended that my roof only needed 4 squares replaced.

    I pointed out the giant mounds of aggregate under my downspouts and he said that is what they are supposed to do - they absorb the hits and shed aggregate. When I pointed out the denuded spots on the shingles where the aggregate was supposed to be he didn't have an answer for me. I got a reinspection and that guy was even worse than the first guy.



    Last edited by VeloClone; 04-10-2014 at 03:10 PM.
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    Re: Replace shingles

    Quote Originally Posted by cmjh10 View Post
    I would think they would decrease the life. Not as good of a hold, so wind and water damage is more likely.
    Quote Originally Posted by CyKrog View Post
    It's against code to add another layer of shingles around here. We have to tear off existing
    That's what I thought. I realize that there may be labor savings in not tearing off the old, but I don't know why you would ever want to install right over the old roof.


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    Re: Replace shingles

    Quote Originally Posted by VeloClone View Post
    Do additional layers of old shingles increase or decrease the life of the new ones?
    They definitely decrease the life and can also effect the ability to get insurance if you have 2 layers.



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    Re: Replace shingles

    If your shingles are that new, look into who manufactured them, see if you can find the lot numbers and all that production information.

    It's not all that uncommon for there to be recalls or other lot problems with shingles. My parents had theirs replaced after only about 10 years. Another friend of mine did as well.

    The fact you have them across builders in one neighborhood is odd however.



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    Re: Replace shingles

    If you are planning to be in your house for 10+ years I'd look into a steel roof. They are becoming more competitive with shingles.
    I've never had shingles last over 10 years. Even high end ones.



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