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Garage wall stain

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[#1] Posted: 02/29/2012 - 10:48:06 AM
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What causes the white color on the interior of this garage wall? It's redwood. The exterior siding is wood also.


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Denny Waters
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Crystal Lake, IL
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Garage wall stain
[#2] Posted: 02/29/2012 - 11:34:11 AM
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Looks like fungus
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Garage wall stain
[#3] Posted: 02/29/2012 - 12:53:16 PM
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Salts. It's essentially the same as efflorescence, the siding gets wet when it rains, the paint prevents it from drying to the exterior, so it dries in and leaves behind anything dissolved in the water.
Tom

http://clearcreekhomeinspection.com/

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Dr Joe Lstiburek
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Garage wall stain
[#4] Posted: 02/29/2012 - 1:15:46 PM
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What causes it? Moisture.
www.allsafehome.ca
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Garage wall stain
[#5] Posted: 02/29/2012 - 1:19:08 PM
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Yep, the outside was painted. Thanks for the info all.
Denny Waters
   
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