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-   -   Is there a way to prevent moss on shingles? (http://www.diychatroom.com/f9/there-way-prevent-moss-shingles-145712/)

Clarele2 06-02-2012 11:18 AM

Is there a way to prevent moss on shingles?
 
I live in Portland, Oregon where moss is the name of our game. I have used zinc strips, but they don't work when we have misty rain, fog or some condition where the water doesn't run down the roof. Is there something I can treat the shingles with to prevent the moss? ... or some other route?

Thanks in advance

Windows on Wash 06-02-2012 12:02 PM

Cut back trees if you have shading.

Other than that, you are stuck cleaning them.

Make sure all you venting is right as well.

Bob Mariani 06-02-2012 03:19 PM

attach zinc strips to the top of the ridge. Rain will allow the zinc to leach off and coat the roof preventing moss or mildew growth.

Roofmaster417 06-02-2012 04:54 PM

I had a house that had major moss.I am not sure about the specs for installation anymore since I have not used them in years but,,I installed them on the ridge and they worked only so far down the roof plane then moss was in force.

It was about a 30' rake line so I installed them on the ridge and in the middle about 15' off the ridge.That cleared it up.Also cutting your limbs back as Windows said helps alot.:thumbsup:

OldNBroken 06-02-2012 05:25 PM

How to prevent moss in Portland?


MOVE

:laughing: :laughing: :laughing: :whistling2: :whistling2:


Zinc strips are only effective down a certain distance. Can't remember what it is. 10 feet or 15 or something.

You have to install them in the field also in a place like Portland.

Or you can go buy a keg of 8d hot-dipped and just throw them up all over your roof. :thumbup: :thumbup:

joecaption 06-02-2012 05:28 PM

http://blog.wetandforget.com/mossfreeroof/

Roofmaster417 06-02-2012 05:55 PM

Quote:

Originally Posted by OldNBroken (Post 934681)
How to prevent moss in Portland?


MOVE

:laughing: :laughing: :laughing: :whistling2: :whistling2:


Zinc strips are only effective down a certain distance. Can't remember what it is. 10 feet or 15 or something.

You have to install them in the field also in a place like Portland.

Or you can go buy a keg of 8d hot-dipped and just throw them up all over your roof. :thumbup: :thumbup:

:laughing: :no: :laughing: !!!!!!!!!!!!!!!!!!!!

Windows on Wash 06-02-2012 08:17 PM

He already said that he has used zinc previously. Wet and Forget is temporary and must be re treated.

Please keep in mind that zinc is a heavy metal and does accumulate and create environmental issues.


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