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Roofing/brick stain under alum. siding

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Question
brick stain
brick stain  
Hi Mr. Expert, our 35-year old house has streams of brick stain under alum. siding.  What could be the cause and how do we fix it?  Thanks much.

Jim

Answer
I would like to see a picture higher up on the siding. Is it aluminum or vinyl siding? Aluminum siding gets a chalking from the paint after a long time and runs down staining things. If it's not that then something higher up is bleeding the color. Rub your hand on the siding. If it comes up white then that's the chalking. Vinyl siding won't do that.

Brad

Roofing

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Brad Zacharia

Expertise

All aspects of residential Roofing. This includes shingles and flat (low slope) roofs. I have knowledge in the installation as well as the design of roofs from an engineering standpoint.

Experience

I have been doing roofing for 40 years. This was my father's business and I took it over in 1980.

Publications
I have written responses to artcles that I felt needed a response to and those responses have been published in roofing trade magazines.

Education/Credentials
BSEE Drexel University
www.ZachariaRoofing.com

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