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Photograph of dirty fiberglass insulation fibers - higher risk of mold contamination Fiber & Hair Identification
Index to hair & fiber information

  • FIBER & HAIR IDENTIFICATION - CONTENTS: identify fibers & hairs in buildings as allergens, contaminants, or for other purposes . Resources useful for the identification of fibers or hairs in buildings or in the indoor environment.
  • POST a QUESTION or READ FAQs about the identification & importance of fibres or hairs in building air and dust or in building materials
  • REFERENCES
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Hair & Fiber identification in buildings, in building materials, or in dust or particle samples:

Here we provide photos of common hairs and fibers found in buildings along with links to related articles giving more information about each of those hair or fabric topics.

This article series describes methods and equipment useful for the identification of human or animal hair in buildings or in building air or dust samples, and for the identification of other fibers in building dust samples such as fabric fibers, insulation fibers, and fiberglass or asbestos.

Page top photo: fiberglass fibres identified in an indoor dust sample.



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Fiber & Hair Identification & IAQ Information

Photograph of house dust by microscope

Following this sampler of photographs giving examples of various hairs and fibres found in or around buildings we include an index to InspectApedia articles giving additional technical depth on microscopic or other techniques for hair and fiber identification and for the control of indoor air quality, health, and allergic hazards associated with fiber and hair.

To find what you need quickly, if you don't want to scroll through this index you are welcome to use the page top or bottom SEARCH BOX to search InspectApedia for specific articles and information.

Photo just above: several types of fabric fibers in polarized light. [Click to enlarge any image]

Article Contents

Asbestos

Photograph of - tremolite asbestos, asbestiform tremolite, collected from asbestos slab ceiling insulation

Above: a lab photo we took of Tremolite asbestos fibers.

See ASBESTOS UNDER the MICROSCOPE

Asbestos in buildings is discussed at ASBESTOS PHOTO GUIDE to MATERIALS

See also ASBESTOS FIBER PROPERTIES

Balsam wool insulation

Silvawool like wood fiber insulation (C) InspectApedia JR

Photo above: balsam wool type building insulation discussed at BALSAM WOOL BATT INSULATION

Bat hair

Hair sample from a brown bat (C) Daniel Friedman

Also see ANIMAL BITES & SCRATCHES - BATS

Cat hair

Cat hair (C) Daniel Friedman Cat hair under the microscope (C) Daniel Friedman

Photo above: cat hair under the microscope. See CAT DANDER in BUILDINGS.

See also ALLERGENS in BUILDINGS - home

Chinchilla hair

Photograph of chinchilla hair  © Daniel Friedman

Dog Hair

The photos below show hair from a golden retriever (Gunner, Haddonfield New Jersey) under the microscope - well the hair was under the microscope, not Gunner himself.

Dog hair golden retriever under the microscope (C ) Daniel Friedman Dog hair golden retriever under the microscope (C ) Daniel Friedman

See also ALLERGENS in BUILDINGS - home

Fabric fibers

fibers not fiberglass (C) Daniel Friedman House dust particles - fabric or carpet fibers in polarized light (C) InspectApedia

Above our two photographs show the dominant particles in dust samples from a home under study. Magnified to 720x the fibers we found were primarily cotton, with some linen and a few synthetic fabric fibers.

House dust particles - fabric or carpet fibers  (C) InspectApedia

Above and below, photos from vacuumed house dust sample collected in a U.K. home (London) show synthetic and natural fibres. Fabric or carpet fibres made up a significant portion of the sample volume.

Below the fibres are shown in polarized light.

House dust particles - fabric or carpet fibers (C) InspectApedia

These fabric fibers and the dust from a London home are discussed at HOUSE DUST PARTICLE PHOTOS.

Also see ITCHY FABRICS, FURNITURE

Feather barbule

Photograph of animal dander and debris (C) Daniel Friedman

Photo above: fragment from a feather - a barbule, on a background of animal dander and other debris in an indoor dust sample.

Fiberglass fibres

Certainteed blown in fiberglass (C) Daniel Friedman Photograph of chopped fiberglass insulation

Our second photo of fiberglass fibres above illustrates the presence of a resin binder common in most fibreglass inslulation products. The colour of the binder resin gives colour to the insulation and often can be used to identify the fibreglass brand.

See FIBERGLASS INSULATION IDENTIFICATION

Also see FIBERGLASS HAZARDS - home

Also see FIBERGLASS PARTICLE CONTAMINATION TEST

Horsehair

Horsehair in plaster is discussed at PLASTER INGREDIENTS, MIX, COMPONENTS

Human hair

House dust particles - human hair & other fibers (C) InspectApedia Human hair under the microscope (C) Daniel Friedman InspectApedia.com

Above: a human hair in a dust sample and human hair in two different foci in an isolated hair sample.

Mouse hair

Photograph of mouse hair  © Daniel Friedman Mouse  hair under the microscope (C) Daniel Friedman at InspectApedia.com

See MICE in BUILDINGS, GET RID OF

Rabbit Hair

Rabbit hair under the microscope (C) Daniel Friedman

Sheep Wool Hair

Wool or sheep hair under the microscope (C) Daniel Friedman InspectApedia.com

 

Research & Resources on Hair & Fiber Identification in Buildings, Building Materials, Dust or Environmental Samples

Articles about Fiber & Hair Identification & Contaminants in Buildings

Dead mouse odor (C) Daniel FriedmanAnimal Odor & Allergens Articles

Articles on Dust, Itching, Fabrics Irritants

...


Continue reading at FORENSIC LAB TECHNICAL PROCEDURES - home, or select a topic from the More Reading links or topic ARTICLE INDEX shown below.

Or see DUST ANALYSIS for FIBERGLASS

Or see FIBERGLASS HAZARDS

Or see HOUSE DUST ANALYSIS and HOUSE DUST PARTICLE PHOTOS and HOUSE DUST COMPONENTS

Or see MOLD / ENVIRONMENTAL EXPERT, HIRE ? and also see DOCTORS - ENVIRONMENTAL MEDICINE

Or see MORGELLONS SYNDROME

Suggested citation for this web page

FIBER & HAIR IDENTIFICATION at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to ARTICLE INDEX to BUILDING FORENSICS

Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia

Or see

INDEX to RELATED ARTICLES: ARTICLE INDEX to BUILDING INSULATION

Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia


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Technical Reviewers & References

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