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STRUCTURAL INSPECTIONS & DEFECTS

ADVANCED INSPECTION METHODS
AGE of a BUILDING - how to determine
ARCHITECTURE & BUILDING COMPONENT ID

BARK SIDE DOWN on DECKS, TRIM, STEPS
BEST CONSTRUCTION PRACTICES GUIDE

BRICK FOUNDATIONS & WALLS
BRICK STRUCTURAL WALL Loose Bulged
Brick Thermal Expansion Cracking
BRICK VENEER WALL Loose, Bulged
BRICK WALL DRAINAGE WEEP HOLES
BUCKLED FOUNDATIONS due to INSULATION?

CHIMNEY CHASE Construction & Defects
CHIMNEY INSPECTION DIAGNOSIS REPAIR
COLUMNS & POSTS, DEFECTS
CONCRETE FOUNDATIONS
CONCRETE FOUNDATIONS, PRE-CAST
Cracks, Checking or Splitting Beams & Log Homes
CRAWL SPACES

DECK & PORCH CONSTRUCTION
DECK COLLAPSE Case Study
DECK FINISHES COATINGS PRESERVATIVES
DECK FLASHING LEAKS, ROT Case Study
DECKS, ROOFTOP CONSTRUCTION

DEBRIS STAINING on ROOFS
DEFINITIONS of Mobile Home, Doublewide, Modular, Panelized
DEFINITIONS of ENGINEERED WOOD OSB LVL etc
DECK & PORCH CONSTRUCTION
DECK COLLAPSE Case Study
DECK FINISHES COATINGS PRESERVATIVES
DECK FLASHING LEAKS, ROT Case Study
DECKS, ROOFTOP CONSTRUCTION
DEBRIS STAINING on ROOFS
DISASTER BUILDING INSPECTION & REPAIR SAFEY
DEW POINT CALCULATION for WALLS
DEW POINT TABLE - CONDENSATION POINT GUIDE

EARTHQUAKE DAMAGED FOUNDATIONS
ENERGY SAVINGS in BUILDINGS
ENGINEERED WOOD Flooring
ENGINEERED WOOD Products

FIRE DAMAGE vs MOLD DAMAGE

FLOOD DAMAGE ASSESSMENT, SAFETY & CLEANUP
FLOODS IN BUILDINGS-mold
FLOOR, ENGINEERED WOOD & LAMINATES
FLOOR FRAMING & SUBFLOOR for TILE
FLOOR TYPES & DEFECTS
FLOOR TILE ASBESTOS IDENTIFICATION
FLOOR TILE HISTORY & INGREDIENTS

FOOTING & FOUNDATION DRAINS
FOOTINGS EXPOSED, Repair Methods

FOUNDATION BULGE or LEAN MEASUREMENTS
FOUNDATION CONSTRUCTION TYPES
FOUNDATION CONTRACTORS, ENGINEERS
FOOTING & FOUNDATION DRAINS
FOOTINGS EXPOSED, Repair Methods

FOUNDATION CRACKS & DAMAGE GUIDE
FOUNDATION WATERPROOFING

FRAMING DAMAGE, INSPECTION, REPAIR
FRAMING DETAILS for BETTER INSULATION
FRAMING DETAILS for DOUBLE WALL HOUSES
FRAMING CONNECTORS & JOIST HANGERS
FRAMING FASTENERS, NAILS, SCREWS, & HIDDEN
FRAMING & SUBFLOOR for TILE
FRAMING MATERIALS, Age, Types
FRAMING METAL STUD PERFORMANCE
FRAMING METHODS, Age, Types
FRAMING SIZE & Spacing, Age, Types
FRAMING TABLES, SPANS for DECKS

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GALVANIC SCALE & METAL CORROSION
GLUES ADHESIVES, EXTERIOR CONSTRUCTION
GRADING & SITE WORK, EXTERIOR
GUTTERS & DOWNSPOUTS

HOUSE PARTS, DEFINITIONS
HOUSEWRAP INSTALLATION DETAILS

ICE DAM PREVENTION
I-JOISTS, Wood Roof Floor
INSULATION IDENTIFICATION GUIDE
INSULATION INSPECTION & IMPROVEMENT

LEAD POISONING HAZARDS GUIDE
LEED GREEN BUILDING CERTIFICATION
LOG HOME GUIDE

PORCH CONSTRUCTION & SCREENING
PRE-CUT & KIT HOMES
Preservative-Treated Framing Lumber

MOBILE HOMES, DOUBLEWIDES, TRAILERS
MODULAR HOME CONSTRUCTION
MOISTURE CONTROL in BUILDINGS

NOISE / SOUND DIAGNOSIS & CURE

PORCH CONSTRUCTION & SCREENING
PRE-CUT & KIT HOMES
Preservative-Treated Framing Lumber

RAILINGS, DECK & PORCH
RAILINGS, STAIRWAY
RETAINING WALL DESIGNS, TYPES, DAMAGE
RETAINING WALL GUARD RAILINGS
ROT, FUNGUS, TERMITES

SINKHOLES, WARNING SIGNS
SINKING BUILDINGS

SLAB CRACK EVALUATION
SLAB INSULATION, PASSIVE SOLAR
Splits in Structural Wood Beams
STAIN & BIODETERIORATION AGENT CATALOG
STAINS on BUILDINGS - QUICK GUIDE
STAIN DIAGNOSIS on BUILDING EXTERIORS
STAIRS, RAILINGS, LANDINGS, RAMPS
STONE CLEANING METHODS
STONE FOUNDATIONS
STONE VENEER WALLS
STRAW BALE CONSTRUCTION

TERMITES, ROT
  BAIT TRAPS for Termite Control
  CARPENTER BEES / Powder Post Beetles
  Drill Marks & Termite Treatments
  INSECTS & FOAM INSULATION
  MOLD in FOAM INSULATION
  POWDER POST BEETLES
  Preservative-Treated Framing Lumber
  ROT, TIMBER FRAME
  ROT-RESISTANT Deck Lumber & Flooring
  TERMITE DAMAGE Case - Activity Un-Noticed
  Termite Damage Case - Severe Damage
  Termite Damage Indicators, Clues
  Termite Damage Indicators Outdoors
  Termite, Insect, Rot Articles
  TERMITE MUD TUBE Photographs
  TERMITE SHIELD Installation
  TERMITE SHIELDS vs TERMITICIDE

THERMAL EXPANSION of MATERIALS
THERMAL MASS in BUILDINGS

VENTILATION in BUILDINGS

WATER BARRIERS, EXTERIOR BUILDING
WATER ENTRY in BUILDINGS
WIND ENERGY SYSTEMS
WIND TURBINES & LIGHTNING
WINDOWS & DOORS
WINTERIZE A BUILDING
WOOD FOUNDATIONS

More Information

powder post beetle damage (C) Daniel Friedman How to Evaluate and Prevent Structural Damage from Powder Post Beetles & Old House Borers
InspectAPedia®  -      

  • How to spot powder post beetle damage and determine its activity
  • Spotting rot and structural rot damage on wood structures
  • Inspecting for mold as a clue to building rot, insects, etc.
  • Questions & answers about powder post beetle damage at buildings: how to recognize & assess powder post damage to wood structures

Guide to powder post beetles & old house borers in buildings. This article provides powder post beetle & old house borer insect & rot damage photographs, inspection advice, and lists additional articles that discuss the inspection, detection, prevention, and repair of structural damage from insects (termites, carpenter ants, carpenter bees, powder post beetles, and other wood destroying insects), indoor mold, rot and building leaks or water entry.

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers nor with topics or services discussed at this website.

These include house damaging mold or fungus, termites, carpenter ants, powder post beetles, & other wood destroying organisms in and on buildings. Our page top photo shows our client holding a screwdriver that penetrated a powder-post-beetle-damaged beam fully to the hilt of the tool - indicating severe structural damage.

We are also concerned with choosing mold and insect damage repair and prevention methods which avoid unnecessary application of chemicals or other environmental impacts. Preventing these problems by good design and by building maintenance is preferred to simple chemical applications around a property. When use of pesticides is required, there are some important choices.

See Insects & Foam Insulation, and TERMITE SHIELDS vs TERMITICIDE for a discussion of prevention of insect damage at foam insulated buildings and foundations. Also see SLAB INSULATION, PASSIVE SOLAR. Readers should also see INSULATION LOCATION for CAPES, CRAWLSPACES, and may also be interested in the mold resistance properties of Icynene Foam Spray Insulation. Finally, because insect damage on buildings is very often related to locations of water leaks or moisture traps, readers should also see WATER ENTRY in BUILDINGS.

© Copyright 2012 InspectAPedia.com, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use page top links to major topics or use links at the left of each page to navigate within topics and documents at this website. Green links show where you are in a document series or at this website.

Powder Post Beetles - Old House Borer Damage Photographs

Powder post beetle old house borere damage photographs (C) D Friedman D Grudzinski Powder post beetle old house borere damage photographs (C) D Friedman D Grudzinski

In our powder post beetle photos above, while there was significant beam damage, the infestation did not appear active.

Powder post beetle damage is typically treated with a topical insecticide spray. Some pest control operators (PCOs) also spray paint the wood surfaces in order to make it easier to spot a renewal of insect activity in the future.

We look for the presence of fine wood powder around the insect exit holes or on the ground below the damaged infected member as indications of recent insect activity.

Below are two more photographs of old house borer or powder post beetle damage in a floor support beam. We probe the structural member to find the depth of insect damage as a step in deciding if structural repair, reinforcement, or replacement are needed.

Powder post beetle old house borere damage photographs (C) D Friedman D Grudzinski Powder post beetle old house borere damage photographs (C) D Friedman D Grudzinski

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Technical Reviewers & References

  • InspectAPedia.com® - Daniel Friedman - Publisher & Editor.
  • InspectAPedia Bookstore lists recommended books, organized by topic & available for purchase. Most of our articles also include a list of recommended books for the specific article topic as well as other references, and information sources.
  • Critique, contributions wanted: Contact Us to suggest corrections or additions to articles at this website, and if you wish, to receive online listing and credit as a contributor. Particular thanks are due to the many experts and also consumers who read and critique technical articles at InspectAPedia.com.
  • Additional technical contributors & reference sources for this article are listed below.

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.

ROT, FUNGUS, TERMITES
  Carpenter Bees / Powder Post Beetles
  Termite Damage Case - Activity Un-Noticed
  Termite Mud Tube Photographs
  Termite Damage Indicators, Clues
  Termite Damage Indicators Outdoors
  Drill Marks & Termite Treatments
  Bait Traps for Termite Control
  Termite Shield Installation
  POWDER POST BEETLES
  Termite, Insect, Rot Articles
  TERMITE SHIELDS vs TERMITICIDE
  Insects & Foam Insulation

  • Best Practices Guide to Residential Construction, by Steven Bliss. John Wiley & Sons, 2006. ISBN-10: 0471648361, ISBN-13: 978-0471648369, Hardcover: 320 pages, available from Amazon.com and also Wiley.com. See our book review of this publication.
  • David Grudzinski, Advantage Home Inspections, ASHI cert # 249089, HUD cert# H-145, is a professional home inspector who contributes on various topics including structural matters. Mr. Grudzinski, Cranston RI serving both Rhode Island and Eastern Connecticut can be reached at 401-935-6547 fax- 401-490-0607 or by email to Davidgrudzinski@aol.com. Mr. Grudzinski is a regular contributor to InspectAPedia.com - see DECK FLASHING LEAKS, ROT Case Study, and BASEMENT WATER MOLD IMPACT and VERMICULITE INSULATION for examples.
  • Mara and Andy Gieseke, Tucson AZ, are contributors to InspectAPedia.com including photographs used at SIDING EIFS & STUCCO, Cracks at Control Joints in Concrete and ROT, FUNGUS, TERMITES, and are family members of website publisher Daniel Friedman.
  • Desert Termites, Thomas W. Fuchs, Extension Entomologist, Darrell N. Ueckert, Texas Agricultural Experiment Station, and Bastiaan M. Drees, Extension Entomologist, Texas Agricultural Extension Service, Texas A&M University System, web search 09/13/2010, original source: http://insects.tamu.edu/extension/bulletins/uc/uc-016.html
  • Termites - Greenhouse Gases, U.S. EPA, Environmental Protection Agency. Web search 09/11/2010, original source: http://www.epa.gov/ttn/chief/ap42/ch14/final/c14s02.pdf Quoting an interesting passage from this brief document:
    Termites inhabit many different ecological regions, but they are concentrated primarily in tropical grasslands and forests. Symbiotic micro-organisms in the digestive tracts of termites (flagellate protozoa in lower termites and bacteria in higher termites) produce methane (CH4). Estimates of the contribution to the global budget of CH4 from termites vary widely, from negligible up to 15 percent.
  • Truly Nolen Pest Control, Tel: 866-221-4765, is a national franchise of pest control operators in the U.S. Quoting from the company's website:
    Truly Nolen [has] over 80 offices located in Arizona, California, Florida, Nevada, New Mexico, Texas and Utah. The company services more than 150,000 customers and employs about 1,100 partners, with almost 50 percent service technicians. Domestic franchises are offered throughout the United States. International franchises are also established in over 30 countries.
  • U.S. EPA. Prevention, Pesticides, and Toxic Substances. 1997. Re registration eligibility decision: Diflubenzuron. Pp. 17, 46. www.epa.gov/ pesticides.
  • U.S. EPA. Office of Prevention, Pesticides and Toxic Substances. 1994. Pesticide fact sheet: Hexaflumuron. Washington, D.C.
  • U.S. EPA. Office of Pesticide Programs. 2003. Pesticide ecotoxicity database. Unpublished database.
    U.S. EPA. Prevention, Pesticides, and Toxic Substances. 1998. Re registration eligibility decision: Hydramethylnon. Pp. 16-18, 43. www.epa.gov/pesticides.
  • U.S. EPA. Prevention, Pesticides and Toxic Substances. Undated. New chemical New chemical fact sheet: Noviflumuron. Washington, D.C.
  • "Protecting Your Home from Subterranean Termite Damage", Journal of Pesticide Reform, Fall 2004, V 24 No. 3, - 6-7, Northwest Coalition for Alternatives to Pesticides/NCAP, POB 1393, Eugene OR, 97440 541-344-5044 www.pesticide.org: Web search 09/11/2010: http://www.hipspro.com/pubs/subterraneantermites.pdf
    This document discusses alternatives for termite protection including reducing the attractiveness of the structure to termites (get wood away from the building, fix leaks), use of 16-grit sand (diameter 0.06 - 0.1 in) as a termite barrier 18" wide x 3" deep in crawl areas, or stainless steel mesh for the same purpose under foundations and slabs, boric acid, Diflubenzuron (insect growth regulator, risk genetic damage, EPA classed as carcinogen), Hexaflumuron (insect growth regulator, EPA didn't ID health concerns, waived some testing, partly because of anticipated very low risk of human exposure), Hydramethylnon (stomach toxicant, EPA: Carcinogen, highly toxic to fish), Noviflumuron (chemically similar to hexaflumuron), can cause anemia, EPA didn't ID other health hazards, some testing requirements waived, moderately toxic to fish).

Articles about Rot, fungus, Termites, Carpenter Ants, Powder Post Beetles, Leaks and Water Entry Damage in Buildings

  • Basement water entry: what the basement waterproofing companies don't tell you? Water entry prevention and repair suggestions. -- in process
  • Building floods how to respond to avoid mold
  • Desert Termites, Thomas W. Fuchs, Extension Entomologist, Darrell N. Ueckert, Texas Agricultural Experiment Station, and Bastiaan M. Drees, Extension Entomologist, Texas Agricultural Extension Service, Texas A&M University System, web search 09/13/2010, original source: http://insects.tamu.edu/extension/bulletins/uc/uc-016.html
  • Floods in Buildings & interior water damage cleanup, prevention, testing quick steps to prevent mold contamination
  • Home Inspectors Directory accessible via Internet - a home inspection can point out maintenance details that are key in avoiding leaks, rot, mold, insect damage
  • "House Eating Fungus" Meruliporia incrassata (also called "Poria" the house eating fungus) in the U.S. or Serpula lacrymans in Europe) can cause severe structural damage. Evidence of hidden "poria" may be found by expert inspection methods which include tracing sources and paths of probable Building leaks and moisture traps. Further, careful indoor particle sampling methods can often permit the presence of this mold to be identified in the laboratory.
  • Humidity: How Low Should You Keep Indoor Humidity to Avoid a Mold Problem
  • Ice Dam Leak Prevention by Proper Insulation, and Ventilation [Carson Dunlop] - also see ATTIC CONDENSATION CAUSE & CURE.
  • Icynene Foam Spray Insulation - resistance to mold growth and resistance to insects
  • Insects & Foam Insulation - guide to insect damage related to foam building insulation products
  • INSULATION LOCATION for CAPES, CRAWLSPACES - where to place building insulation in basements and crawl spaces
  • Insulation & ventilation issues
  • Interiors: Attic condensation, basement water entry dampness, toxic mold inspection, testing, Moisture, Mold, Mildew, mold remediation advice,
  • Mobile Home Inspections common defects unique to factory built housing, inspection methods
  • Mold Resistant Drywall is mold-resistant or "mold proof" SheetrockR from US Gypsum or Georgia Pacific worth it?
  • Mold Prevention: Avoiding Mold Problems in Buildings by Using Mold-resistant Construction Products & Practices
  • Mold Information Center: What to Do About Mold, mold action plan, valid and invalid test methods, mold remediation
  • Pesticides Contaminate House [PDF] - news article about improperly applied pesticide chemicals and building contamination
  • Sick House/Sick Building Information Website Organized, un-biased, in-depth advice about mold, allergens, and other indoor contaminants: finding, testing, cleaning, clearance testing, and preventing mold, mildew, wood destroying (rot) molds (fungi). Explains how to assure that testing for toxic or allergenic molds is performed using valid field and lab methods. Advice and test procedures are provided for odors and odor source detection, toxic gas testing and gas source identification.
  • TERMITE SHIELDS vs TERMITICIDE - Use of Termiticide (termite poison) vs. Termite Shields on Styrofoam™ board insulated buildings
  • Termite Damage in Buildings: causes, detection, prevention for hard-to-inspect properties - [in process], this article explains how visual clues both outside and inside a building can predict the most-likely points of insect attack (or leaks, water entry, mold, rot). That tells the inspector or home owner where to look first for trouble as well as how to avoid structural damage from insects, rot, mold, or water.
  • Termite Damage Case Study#1 - exterior clues predicted insect damage; interior access was limited but certain clear clues led right to the damage as well as an attempted cover-up of termite damage below a "repaired" wooden floor. The real evidence was in the driveway. [in process]
  • Termite Damage Case Study#2 - very limited visual access inside a building made this inspection for structural damage tough. Outside conditions suggested a risk of water entry and insect attack. Inside the house had mysteriously sloping floors - sloping in every direction. There were few indications of ongoing building movement to explain the sloping. Perseverance led to finding severe termite damage at the building sills. [in process]
  • Termites, Wikipedia web search 09/11/2010, original source: http://en.wikipedia.org/wiki/Termite provided some information about termite size.

Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair

  • Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore. Also see our Book Reviews - InspectAPedia.
    • Home Reference Book - Carson Dunlop The Home Reference Book - the Encyclopedia of Homes, Carson Dunlop & Associates, Toronto, Ontario, 2010, $69.00 U.S., is available from Carson Dunlop, and from the InspectAPedia bookstore. The 2010 edition of the Home Reference Book is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. InspectAPedia.com ® author/editor Daniel Friedman is a contributing author. Field inspection worksheets are included at the back of the volume.
  • ...

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