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• What does mold in attics look like?
• Examples of white attic mold, green attic mold, brown attic mold, and black attic mold.
• Where to look for mold in a building attic.

This document gives advice on how to find, test for, and remove attic mold. Here we show what mold looks like in building attics with mold photographs. This is a chapter of "How to Look for Mold" which describes how to find mold and test for mold in buildings, including how and where to collect mold samples using adhesive tape - an easy, inexpensive, low-tech but very effective mold testing method. This procedure helps identify the presence of or locate the probable sources of mold reservoirs in buildings, and helps decide which of these need more invasive, exhaustive inspection and testing. © Copyright 2008 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

WHAT ATTIC MOLD LOOKS LIKE - What does attic mold look like?

White attic mold: The photo at page top shows white attic mold on the roof sheathing and rafters and some brown or black mold on the attic-side of ceiling drywall where we pulled back insulation. Green attic mold: In the attic photograph at left we show a mix of green, gray, and white attic mold. When looking for attic mold, trace both leak areas and areas of poor ventilation in the attic. It is useful to distinguish between a real roof leak or ice dam leak and more trivial drip stains from attic condensaton. Attic condensation and the resulting drip marks on the attic floor or on attic insulation, as shown here, is not itself likely to wet the attic insulation nor the surfaces below it enough to cause a big mold reservoir. However, attic condensation is evidence of wet or very humid attic conditions. Therefore I'd take a close look at the roof sheathing and framing in an attic that has been moist or humid even though there were no roof leaks. (Click photo for larger image).

The mold shown in the attic photographed here was identified as Aspergillus sp. on attic mold visible on pine tongue and groove roof sheathing near the building eaves. Also notice the condensation stains at the shingle nail, more evidence of a history of attic moisture which was a factor in this mold growth. (Click photo for larger image).

Uncertain attic mold: The photo at the very top of this page shows where you may find mold growing on the attic side of ceiling drywall, particularly below roof leaks or in areas of ice dam leaks at a building eaves.

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ATTIC MOLD
  IS ATTIC MOLD A PROBLEM ?
  RISK OF TOXIC ATTIC MOLD
  WHERE TO LOOK FOR ATTIC MOLD
  WHAT ATTIC MOLD LOOKS LIKE
  BEFORE REMOVING ATTIC MOLD
  ATTIC MOLD ROOF TEAROFF
  ATTIC MOLD ENCAPSULANTS
The Mold Information Center - What to Do About Mold in Buildings

Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

More Information on Finding, Recognizing, and Proper Testing for Mold, More on Building Diagnostic Inspections and Repairs

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• Mold Test Kits - How to Collect and Send Your Own Mold Sample to our mold testing lab
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• Mold Investigation Tips for Home Inspectors how to find mold, where to look, what is likely to be important. Advice to building inspectors intending to inspect or test for toxic or problematic mold indoors, mold inspection methods, and mold test methods which are valid or invalid
• Mold Risk Levels in Buildings Based on Visual Inspection - simple visual clues help decide on action
• Mold in Fiberglass Insulation© 2005 comments about a field study in process, & more about health hazards from fiberglass insulation - DJF
• Frequently Asked Questions About Mold -- check this FAQ list & IAQ Site Map to see if you can find a quick answer to your mold concern
• When to hire a professional to inspect for toxic mold or other allergens
• Contact Us to arrange mold/IAQ building on site inspection and testing.

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