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Free Encyclopedia of Building & Environmental Inspection, Testing, Diagnosis, Repair
ENVIRONMENTAL HAZARDS - INSPECT, TEST, REMEDY
MOLD: A COMPLETE GUIDE to TEST CLEAN PREVENT
ACCURACY vs PRECISION of MEASUREMENTS
ACTIVITY of MOLD in buildings
AGE of MOLD - Old is the Mold?
AIR POLLUTANTS, COMMON INDOOR
AIR TEST SAMPLING CASSETTE STUDY
AIRBORNE MOLD COUNT NUMBER GUIDE
AIRBORNE PARTICLE ANALYSIS METHODS
ALLERGEN TESTS for BUILDINGS
ALLERGENS in BUILDINGS, RECOGNIZING
ALLERGY & MOLD IAQ PRODUCTS
ALLERGY TESTS for PEOPLE
ALLERGY TEST ACCURACY
BASEMENT MOLD WATER IMPACT
BIBLIOGAPHY for ENVIRONMENTAL HEALTH, MOLD, IAQ
BIOLOGICAL POLLUTANTS in the HOME - EPA
BLACK MOLD, HARMLESS COSMETIC
BLACK MOLD, TOXIC & ALLERGENIC
BLEACHING MOLD, Advice about
BOOK MOLD, Moldy Book Cleaning
BOOKSTORE - ENVIRONMENTAL
CAR MOLD CONTAMINATION
CARPET DUST IDENTIFICATION
CARPETING & INDOOR AIR QUALITY
CARPETS & PADDING ODORS IN buildings
CHINESE DRYWALL HAZARDS
CLEARANCE INSPECTIONS - MOLD CLEANUP
DIRECTORY of MOLD / ENVIRONMENTAL EXPERTS
DIRT FLOOR MOLD CONTAMINATION
DISINFECTANTS & SANITIZERS, SOURCES
DISINFECTING BUILDINGS with BLEACH
DO-IT-YOURSELF MOLD CLEANUP WARNINGS
DRYWALL MOLD TESTING
DUCT SYSTEM & DUCT DEFECTS
DUST, HVAC CONTAMINATION STUDY
EFFLORESCENCE, Salts & White / Brown Deposits
EMERGENCY RESPONSE, IAQ, GAS, MOLD
FEAR of MOLD - MYCOPHOBIA
Fiberboard Insulation Sheathing Mold
FIBERGLASS INSULATION MOLD
FIND MOLD, ESSENTIAL STEPS
MOLD in BUILDINGS
FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FLOODS IN buildings-mold
FLOOR & SUBFLOOR MOLD, HIDDEN
HIDDEN MOLD, HOW TO FIND
HUMIDITY CONTROL & TARGETS INDOORS
INDOOR AIR HAZARDS TABLE
Indoor Air Pollution Book Online CPSC
INDOOR AIR QUALITY & HOUSE TIGHTNESS
INDOOR AIR QUALITY IMPROVEMENT GUIDE
INDOOR AIR QUALITY METHODS COMPARED
LAB PROCEDURES MICROSCOPE TECHNIQUES
Legionella BACTERIA & HVAC Equipment
MEDIA BLASTING for MOLD REMOVAL
MILDEW in BUILDINGS ?
MILDEW ERRORS, IT's MOLD
MILDEW REMOVAL & PREVENTION
MOISTURE CONTROL in BUILDINGS
MOLD: A COMPLETE GUIDE TO MOLD
MOLD CLEANUP GUIDE- HOW TO GET RID OF MOLD
MOLD COUNT NUMBER GUIDE
MOLD CULTURE TEST KIT VALIDITY
MOLD DETECTION & INSPECTION GUIDE
MOLD or INDOOR AIR EMERGENCY RESPONSE
MOLD LEVEL IN AIR, VALIDITY
MOLD ODORS, MUSTY SMELLS
MOLD PREVENTION GUIDE
MOLD RELATED ILLNESS GUIDE
MOLD SAFETY WARNINGS
MOLD TEST KITS
MOLD TESTING METHOD VALIDITY
MSDS Material Safety Data Sheets
MYCOPHOBIA, STAINS MISTAKEN for MOLD
ODORS GASES SMELLS, DIAGNOSIS & CURE
OZONE for MOLD OR ODORS
PAINTS & COATINGS ODORS IN BUILDINGS
PARTICLE SIZES & IAQ
Particulates & Allergens Indoors
RADON HAZARD TESTS & MITIGATION
RENTERS & TENANTS GUIDE TO INDOOR HAZARDS
SMELL PATCH TEST to Track Down Odors
SEWAGE BACKUP TEST & CLEANUP
STAINS on & in BUILDINGS, CAUSES & CURES
STAIN DIAGNOSIS on BUILDING EXTERIORS
STAIN DIAGNOSIS on BUILDING INTERIORS
STAINS & Thermal Tracking
THERMAL IMAGING MOLD SCANS
THERMAL TRACKING & THERMAL BRIDGING
TRAPPED MOLD BETWEEN WOOD SURFACES
TRAPPED MOLD BETWEEN WOOD SURFACES
UV LIGHT BLACK LIGHT USES
VOCs VOLATILE ORGANIC COMPOUNDS
Limits of mold removal: this mold remediation article discusses the limitations of cleaning moldy building surfaces such as framing lumber or plywood sheathing. What about furniture that was in the building? If a heavy upholstered couch (photo above) was exposed to flooding it will be nearly impossible to fully clean; surface cleaning, even steam cleaning, combined with HEPA vacuuming, simply cannot pull mold growth from the couch interior. A couch like this one that is found to be contaminated probably needs to be stripped and reupholstered. In contrast, surface dust settling on an otherwise clean upholstered couch can be usually cleaned effectively using HEPA vacuuming techniques.
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This article offers advice on cleaning mold found on surfaces of un-finished wooden building materials such as framing lumber (rafters, floor joists, wall studs), and building roof, wall, and floor sheathing such as plywood, tongue-and groove pine boards, and other structural wood surfaces in buildings.
We discuss the pros and cons of using fungicidal sealants and bleach on wood surfaces and give sources and list types of those products. We also discuss common errors made when cleaning wood surfaces, such as relying on bleach or performing expensive and unnecessary cleaning on cosmetic black mold on wood surfaces.
The suggestions for mold cleanup of wood surfaces which are outlined below do not pertain to
These suggestions have not completed an extensive professional peer review - which is why they are being exposed here to invite commentary. Comments received so far indicate this is reasonable commonsense advice.
Some mold found on wood components in building interiors is likely to be of only cosmetic concern, such as Ceratocystis/Ophistoma sp. or "blue stain" molds.
Others may be more of a concern, particularly to occupants who are at particular risk of certain illnesses or immune system problems.
Allergenic/pathogenic molds often identified on construction materials exposed indoors include Penicillium sp., Aspergillus sp., Stachybotrys chartarum (previously Stachybotrys atra), and numerous other species.
Depending in part on the particular species, the presence of mold growing on building materials risks contamination in the living environment and possible mold-related illnesses.
This is true regardless of whether mold spores are merely allergenic (allergenic mold) or actually toxic (pathogenic mold) to humans, and regardless of whether or not mold spores present are viable (alive) or non-viable (dead). Where there is a concern regarding mold on building framing the following steps should be helpful at reducing the risk of future mold growth.
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Technical Reviewers & References
Related Topics, found near the top of this page suggest articles closely related to this one.
Allergies, Allergens, Allergy Testing in buildings - References & Products
Mold Contamination Testing, Cleanup, Prevention: references & products
OTHER IAQ ISSUES: How To Find and Address Other Indoor Air or Indoor Environment Contaminants Besides Mold
Mold or allergens may not be the only or even the main indoor environmental contaminant. Don't let media attention to mold cause so much enviro-scare fear that other, possibly more urgent hazards go un-addressed.