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Post Info TOPIC: type of surfactant will determine affect on plants


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Date: Aug 22, 2011
RE: type of surfactant will determine affect on plants
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Bergman Roof Cleaning Port Charlotte FL 941-698-1959 wrote:
plainpainter wrote:

I am at 30% strength with bleach. Chris recommended this to me years ago - lots of other guys were saying 40%, 50%, and I always just did 30% and have cleaned every roof I have come across. I also deal with lots of painted homes, painted dormers sticking out of roofs - and I have never ruined the paint using this strength.


30% for shingles is right.

It's far too weak for tile though.

I doubt Chris suggested 30% for tile.

I'm sure he uses 45-50% + surfactants and TSP and Alcohol to make it work even better!

I don't use alcohol, but I use 45-50% SH + 1/2-3/4 gal of Ammonyx Lo + 5-10 lbs of TSP

on tough tile roofs. On easier tile roofs, I leave out the TSP.


 I am in the northeast, and shingle roofs don't exist.  Having said that - there are three buildings/homes in my hometown with clay tile roofs - and apart from another one in another town - never seen it anywhere else around here.



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Just Plain Painting Andover, MA 01810 (978)749-9808


RCIA Founder

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Date: Aug 22, 2011
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You say shingle roofs do not exist Dan in your area, what kinds of roofs are u seeing ?



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Guest

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Date: Aug 22, 2011
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Chris - I meant to say tile roofs don't exist for the most part. I know of 3 in my home town and another one that was recently replaced with shingles. We do have cedar shingle roofs on real uppity homes and some legacy slate shingle roofs.

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Just Plain Painting Andover, MA 01810 (978)749-9808
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