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Black fungal stains Patzcuaro Mexico (C) Daniel Friedman Complete Guide to Diagnosing & Curing Stains on or in buildings

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Guide to diagnosing, removing, preventing stains on building exteriors or interiors:

This article describes the types of stains found on building surfaces and on cultural artifacts. We provide photographs and advice on identifying, cleaning, and preventing algae, moss, lichens, or fungal growth that occurs on roofs, walls, siding, trim, interiors, and on stone surfaces such as buildings, gravestones, sidewalks, stone walls, and in nature. We include links to references useful in the identification of algae, moss, lichens, and mold.



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The Guide to Types of Stains on Building Surfaces:

Black stains on stone wall  (Daniel Friedman)

This website tells readers how to identify, evaluate, remove or prevent stains on building surfaces.

In the following guide to building and cultural artifact stains and growths on surfaces, we list types of stains by stain color & appearance, by building location or material, and by stain cause.

We distinguish among the following stuff that may stain or be found growing building roofs, walls, or other surfaces, with extra focus on asphalt shingle roofs as well as other roofing materials such as wood shingles, wood shakes, roll roofing, and even slate or tile roofs.

Some of these types of roof, wall, siding, stone, or interior stains or discoloration are only cosmetic in nature, while others may indicate growths that are likely to reduce the roof covering life. A more detailed, illustrated version of the exterior building stain list below is
at STAIN DIAGNOSIS on BUILDING EXTERIORS.

Algae growth on vinyl siding (C) Daniel Friedman


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Continue reading at STAIN DIAGNOSIS on BUILDING EXTERIORS or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see STAIN DIAGNOSIS on BUILDING INTERIORS

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STAINS on & in BUILDINGS, CAUSES & CURES at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to BUILDING STAINS

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