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HOW TO LOOK FOR MOLD - How to Find and Test for Mold in Buildings MoldAPedia © Enter your search terms Submit search form   Search This Website - InspectAPedia.com

• How to look for mold in buildings
• Where to look, where to collect mold samples
• Sampling mistakes to avoid
• Proper use of a flashlight finds "hidden" mold
• What mold looks like in different areas or on different surfaces

This is a 'how to' photo and text primer on finding and testing for mold in buildings using simple clear adhesive tape on suspect or visibly moldy surfaces. This document 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.

CHOOSE SAMPLE POINT: Choosing the Right Spot for Mold Testing - Where to Collect Tape Samples of Surfaces

People collect surface samples for mold testing using clear adhesive tape to identify a visible mold on a surface, to screen settled dust for mold/allergens, or to test the cleanliness of a surface after mold cleanup.

Regardless of the reason, the adhesive tape mold test method can be very effective, in fact more reliable than spot checks of airborne particles (which vary widely minute by minute) and far more reliable than culture samples (which only grow a small percentage of all possible molds). But everything depends on the selection of the sample location - "where you stick the tape." This document explains where and where not to "stick the tape" when sampling for mold.

Random mold samples, tape sampling of arbitrary surfaces, or sampling the obvious "black mold" when investigating a building are practices which increase the risk of a serious error - missing what's important and finding what's not very important. The result of these errors is the waste of time and money as well as the possible failure to find and address the real problem, leaving a health or cost risk in a Building to be handled again, and again, until it's addressed properly.

Mold is everywhere. You can't eliminate it. If you could we'd all be in trouble as nothing would ever decay and we'd all be so buried in junk and debris that nothing could grow on the earth. But we don't much like to see mold indoors and certainly not on our walls, ceilings, or furniture.

There we remove it or clean it off. This paper describes the detection of mold in buildings by visual inspection of mold-suspect surfaces. A thorough building investigation for problematic mold needs to address hidden mold reservoirs, for which our approach is to complete a detailed inspection and building (leak) history as well as to record occupant observations and complaints.

Use links just below or 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.

MOLD DETECTION & INSPECTION
HOW TO LOOK FOR MOLD
  CHOOSE SAMPLE POINT
  SAMPLING DRYWALL
  SAMPLING MISTAKES
  USE A FLASHLIGHT
WHAT MOLD LOOKS LIKE
  Black Mold
  Brown Mold
  Green Mold
  Red Mold
  Yellow Mold
  White Mold
  Invisible Mold
  Recognize Cosmetic Mold
  Recognize Harmless Black Mold
ATTIC MOLD
BASEMENT MOLD
CARPET TEST GUIDE
CRAWLSPACE MOLD
DRYWALL MOLD
HIDDEN MOLD, HOW TO FIND
  Photo Guide to Finding Hidden Mold
  Hidden Mold Behind Paneling
  Spotting Hard-to-See Mold
  Use of a flashlight to find mold
  Wall test cuts to spot hidden mold
  Light colored toxic molds
  Moisture Gradients and Mold
  Other Places to Look for Hidden Mold
INSULATION MOLD
ITCHY FABRICS
MOLD BY MICROSCOPE
MOLD ON DIRT FLOORS
MOLDY CARPETS
PHOTO GUIDE TO STAINS on Indoor Surfaces
STUFF THAT IS NOT MOLD
  HARMLESS INDOOR PARTICLES
  THERMAL TRACKING STAINS
USING LIGHT TO FIND MOLD

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

• How to Find and Test For Mold in Buildings - Looking for Mold - A 'how to' photo and text primer on finding and testing for mold in buildings
• Recognizing Mold: What mold looks like mold identification photos to help identify mold - choosing what to sample in buildings
• Recognizing Allergens: What various indoor allergens look like - identification photos to help identify pollen, dust mites, animal dander, toxic or allergenic mold - Common Mold and other Allergens, Irritants, Remedies & Advice
• Stuff that is not mold but is often mistaken for it - things you may not want to test. Also, not all "black mold" is toxic - here are examples of harmless black mold.
• Mold Action Guide: an easy step by step outline of what to do about mold
• How to find mold without hiring anyone, for do-it-yourself'ers
• Associations: Sick House, Sick Building, SBS - Air Quality, Government, Private Associations and Information Resources
• Mold Test Kits - How to Collect and Send Your Own Mold Sample to our mold testing lab
• How to find a mold inspector or test consultant: Directory of IAQ,Sick Building, Mold Allergen Testing, Building Investigation Service Providers
• Meruliporia: the house eating fungus or "poria"
• 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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The Mold Information Center: What to Do About Mold in Buildings, When and How to Inspect for Mold, Clean Up Mold, or Avoid Mold Problems

Home Inspection Construction Consulting Services & advice for home buyers

Use this simple, economical mold test kit by following our instructions on how to collect and mail mold samples to our lab

Environmental Inspection, Testing, & Diagnosis On-Site IAQ, Gas, Air Testing, Mold Investigation, Sick Building Diagnosis, Lab Services, & Remediation Plan Preparation - indoor air quality testing, problem source determination, supporting lab work, written remediation plan addressing removal of environmental and other hazards and prevention of their recurrence.

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