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Gravel washing off shingles - normal?

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  • Gravel washing off shingles - normal?

    I had new shingles installed in 2008- hip roof on a bungalow.
    In 2010, I noticed the rain gutters were spilling in spot. I had to pressure wash about 50 pounds of gravel out of them.
    I assumed the guys did a poor job of cleaning up when they did the roof - even though the contract specified they clean the gutters.

    Today I went up and there's a fair bit of granular in there again - nothing like last year, but it is still washing off the shingles.

    Is this normal? or are my shingles defective.
    Baba-buoy.


  • #2
    Re: Gravel washing off shingles - normal?

    That's very normal. I wouldn't woory about it, just clean it out of your gutters
    If you dont know how to fix it the RIGHT way dont!!

    1996 Rinker Captiva 212 5.7lx

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    • #3
      Re: Gravel washing off shingles - normal?

      Sounds like a lot (50#). May be a case of getting what you pay for or very careless handling (lots of sliding together during installation). Either way, you,ve got what you've got. The runnoff will decrease until the roof starts to fail, then it will pick up again w/pieces of backing included. Keep off the roof as much as possible especially when cold.
      When goals have no clear focus, neither will the actions of the people trying to achieve them

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      • #4
        Re: Gravel washing off shingles - normal?

        Yep, sounds typical. Once all the gravel has washed off the shingles, it's time to redo the roof again . I clean mine out twice a year and there is always a fair quantity of stone in there.

        The quality of today's shingles is not what it used to be. Twenty or thirty years ago, a 25 year shingle lasted 20 years or so. Today, a 25yr shingle will only last about 12 years .

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        • #5
          Re: Gravel washing off shingles - normal?

          thanks guys!
          iboats is pretty much the best resource for homeowner info on the web.
          Baba-buoy.

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          • #6
            Re: Gravel washing off shingles - normal?

            I put a new premium shingle roof on a couple of years ago and with the weather we have here, it is pretty normal to see the shingle sluffing off gravel.

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            • #7
              Re: Gravel washing off shingles - normal?

              I think nowadays the 25 year shingles last 20 years,if you keep them inside out of the weather!

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              • #8
                Re: Gravel washing off shingles - normal?

                Maybe next time try steel as it is good for 50+ years. Mmmmmm that is if you live long enough to see that stuff fail The last foof (steel) I put on my work shop was still there after 22yrs but I have moved on.
                Remember that if you stand there long enough looking at the problem someone will come along and either show you how to do it or do it for you.
                Boat: 1987 24' Doral Tara "KNOT HERS"
                Tow vehicle: 2010 F150 Crew Red Candy

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                • #9
                  Re: Gravel washing off shingles - normal?

                  steel should just be standard building code.... then we'd keep all this asphalt out of the landfills
                  Baba-buoy.

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                  • #10
                    Re: Gravel washing off shingles - normal?

                    Steel has it's own problems, and isn't architectually desirable in many cases. Most roofing shingles nowadays are composite asphalt/fiberglass with the topical sand as a UV barrier and coloring. Asphalt shingles are desireable as a recylcing material so not so much a landfill concern anymore. Steel shingles are prone to hail damage as much as asphalt is prone to wind damage, so it's a local condition issue. Steel doesn't handle foot traffic well materialwise or user-friendly for roof access. The newer fiberglass reinforced shingles really do better than the old asphalt ones. Much more resistant to cracking/wind and UV. Some sand loss is perfectly normal, and won't affect performance much since the sand is mostly cosmetic now that the fiberglass is included.
                    90 Carver Montego 21.5 (23') "Lady Minna" (yes a name change in honor of our fallen Labrador. Poseidon understands.)

                    In the immortal words of Hunter S. Thompson:
                    "Life should not be a journey to the grave with the intention of
                    arriving safely in a pretty and well preserved body, but rather to skid
                    in broadside in a cloud of smoke, thoroughly used up, totally worn out,
                    and loudly proclaiming "Wow! What a Ride!"

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