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Old 05-03-2012, 02:22 PM
 
Location: Long Island, NY
23 posts, read 109,999 times
Reputation: 16

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The asphalt roof of my house is very dirty and mold, it's over 10 years and some pieces are even rip up. I have no $ to replace the whole roof but would like to have it cleaned. Is it OK to pressure wash (NOT power wash) it by a contractor or is there any contractor or specialist to clean the roof. Please advise and any referral is appreciated. Thank you.
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Old 05-03-2012, 02:46 PM
 
88 posts, read 453,416 times
Reputation: 57
Mold on roofing is common on LI. Yes you can have someone pressure wash or what I always preferred is to use a hose sprayer with bleach in it. You can hire a handyman to do either way you choose, but either way make sure they work from a ladder. I have seen more than a few idiots try to do this from up on the roof and haven't seen many that didn't fall. I do have some bad news for you though. Roof shingles turning up at the ends is usually considered time for a new roof. If that is what you meant by "some pieces are even rip up" then cleaning them is a waste of money.
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Old 05-04-2012, 09:58 AM
 
863 posts, read 1,963,879 times
Reputation: 468
If the shingles are turning up at the ends it may be a vent issue. A lot of homes on the island have fake eve vents so you may need do cut a few around the house and that will fix the problem or at least give you a few years until you have the money to fix the roof.
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Old 05-04-2012, 03:13 PM
 
147 posts, read 498,595 times
Reputation: 78
If you pressure wash the roof, you will end up causing the ripped up pieces to break off and damage the shingles. Instead you can only spray wash the roof with a 50% mixture of bleach and water.
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Old 05-04-2012, 04:59 PM
 
Location: Stony Brook
2,610 posts, read 3,738,955 times
Reputation: 2310
DO NOT pressure wash your roof. You will regret it.
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Old 05-05-2012, 03:03 PM
 
Location: Long Island, NY
23 posts, read 109,999 times
Reputation: 16
Thank you for all your responses. I got two guys for the quote, one said they could "spray" with bleach mixture, no pressure. And the other guy just said: don't waste money, too curled to wash! I also got one quote to replace the whole roof: $$$$$$. impossible for me. So, I have to see the first guy what's is the "strength" of the spray first.
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Old 05-06-2012, 06:44 PM
 
16,141 posts, read 22,556,542 times
Reputation: 26703
Quote:
Originally Posted by Jennie L View Post
The asphalt roof of my house is very dirty and mold, it's over 10 years and some pieces are even rip up. I have no $ to replace the whole roof but would like to have it cleaned. Is it OK to pressure wash (NOT power wash) it by a contractor or is there any contractor or specialist to clean the roof. Please advise and any referral is appreciated. Thank you.
Will your insurance company pay for a new roof because of the mold?? Do you have straight line winds, or storms there. Our roof was replaced do to straight line winds, which tore off shingles.
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Old 05-07-2012, 02:13 PM
 
Location: Long Island, NY
23 posts, read 109,999 times
Reputation: 16
My insurance policy does not cover any demages caused by mold or any natural cause, it's written.
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