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10-30-2008, 05:03 PM
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#1
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Registered User
Trade:
remodeling and framing
Join Date: Jan 2007
Posts: 13
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cleaning formula for cosmetic exterior - cedar siding
can you give me some advice.It is previously painted .Some mildew.Thank you
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10-30-2008, 05:43 PM
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#2
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Registered User
Trade:
Painting: Commercial, High Rise, Custom, Residential
Join Date: Oct 2008
Posts: 17
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Quote:
Originally Posted by milos
can you give me some advice.It is previously painted .Some mildew.Thank you
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Deck Brite from Sherwin Williams to remove residual stain. Rinse. Then 3/4 h2o and 1/4 bleech. Rinse again. Agitate both solutions with a bristle brush, apply solutions with a Hudson sprayer, no need to destroy it with a 3k psi pressure washer....
__________________
Experience: Formerly an outside sales rep for a paint manufacturer. Was offered a better job as an estimator for a paint contractor company and never looked back. So when I give my .02 cents, well it still doesn't matter...
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10-30-2008, 05:57 PM
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#3
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Handle It!
Trade:
Everything The Union Guys Do Not Want To Do
Join Date: Feb 2008
Location: Brooklyn, NY ~ Haverford, PA
Posts: 7,901
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Do a search. This topic has been cover fairly extensively here.
Google the US Forest Service. They have an excellent "Formula".
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10-30-2008, 11:54 PM
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#4
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Registered User
Trade:
remodeling and framing
Join Date: Jan 2007
Posts: 13
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i did search
But I can not find just cosmetic formula.Always is prepare for paint formulas.The house is not so bad .We painted the house 1 1/2 year ago .Thank you for info.
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11-01-2008, 05:34 PM
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#5
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Matthew Sargent
Trade:
Painting and Drywall
Join Date: Oct 2008
Location: Southern Vermont
Posts: 102
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Try bleach tsp and simple green solution. Works for me 
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11-10-2008, 09:06 PM
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#6
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Registered User
Trade:
remodeling and framing
Join Date: Jan 2007
Posts: 13
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thank you .CAN YOU GIVE ME THE RATIO
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11-10-2008, 09:31 PM
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#7
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A bit abrasive.
Trade:
Painting
Join Date: Sep 2008
Location: KC KS/MO
Posts: 1,491
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Painted, or solid color stained?
__________________
My advice: Hire a real painter to do it.
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11-10-2008, 09:47 PM
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#8
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Handle It!
Trade:
Everything The Union Guys Do Not Want To Do
Join Date: Feb 2008
Location: Brooklyn, NY ~ Haverford, PA
Posts: 7,901
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Quote:
Originally Posted by Msargent
Try bleach tsp and simple green solution. Works for me |
That is The US Forestry Service Solution!!! I just can not recall nor find the damn Ratios!
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01-11-2009, 05:27 PM
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#9
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Painting Contractor
Trade:
Painting
Join Date: Oct 2008
Location: Greater Seattle Area
Posts: 23
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An old post, but maybe this will help. We use Jomax, made by Zinsser. You mix it with bleach, but are using less bleach since the Jomax helps with the cleaning. It does a great job cleaning, especially at removing mildew. It typically wont damage painted surfaces, nor will it discolor them. However always test an area first.
This is for painted surfaces. For unpainted cedar we typically use the wood brighteners designed for this, made up of oxalic acid.
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01-16-2009, 12:37 AM
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#10
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Pro
Trade:
Painting, flooring
Join Date: Nov 2008
Location: Portland, Or
Posts: 223
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this brings up a question
can you safely mix tsp and bleach?
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01-16-2009, 01:33 AM
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#11
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Handle It!
Trade:
Everything The Union Guys Do Not Want To Do
Join Date: Feb 2008
Location: Brooklyn, NY ~ Haverford, PA
Posts: 7,901
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Yes. It is Ammonia that you want to keep from Bleach! That and NaOH (Lye).
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