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Algae on the roof

Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Shops, Barns, Varmints, and Trucks
Forum Description: anything you want to talk about except politics
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=188991
Printed Date: 28 Apr 2024 at 9:14pm
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Topic: Algae on the roof
Posted By: GARY(OH/IN)
Subject: Algae on the roof
Date Posted: 19 Jun 2022 at 8:27pm
Have light colored spots over about 300-400 square feet in the shade. What will take it off? Maybe white vinegar, chlorine mix, or ?




Replies:
Posted By: DiyDave
Date Posted: 19 Jun 2022 at 9:03pm
Copper ridge cap or strip will keep it from happening, again...Wink

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Posted By: Dave H
Date Posted: 20 Jun 2022 at 9:22am
Wet and forget.  Worked for me.


Posted By: Lars(wi)
Date Posted: 20 Jun 2022 at 1:50pm
Cut the tree down.

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Posted By: dee_veloper
Date Posted: 20 Jun 2022 at 6:55pm
I use Moss B Ware powder for roofs and sidewalks to keep algae and moss off my roof.  I have an asphalt roof and in the fall I sprinkle the powder along the ridge line and let the rains wash it down into all the little crevices.  Keeps the roof looking fresh and clean.  Been using it for years no problems.


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Posted By: Coke-in-MN
Date Posted: 22 Jun 2022 at 1:49am
Zinc will also inhibit the growth or staining , look at areas around flashings on shigles and notice those areas are clean .

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Posted By: jaybmiller
Date Posted: 22 Jun 2022 at 6:58am
Moss B ware is 99,44% zinc..something. It's listed in the SDS !

The 'sneaky' way to SEE what's actually in products being sold, check the SDS forms.


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Posted By: FREEDGUY
Date Posted: 26 Jun 2022 at 6:06pm
Originally posted by Lars(wi) Lars(wi) wrote:

Cut the tree down.
Are you serious "CLARK" Confused


Posted By: GARY(OH/IN)
Date Posted: 28 Jun 2022 at 12:52am
Had my grandson mix 1/3 gallon 12.5% chlorine with 1 gallon water and sprayed on with a hand pump sprayer. So far so good.
And yes I was up there working on some flashing and he's 20 so no labor laws broken,



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