WDO UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS COMPLETE STUDY
GUIDE
●● What safety equipment (or PPE) should you wear when in
crawlspaces?
Answer: Bump cap, coveralls, safety glasses, RESPIRATOR, and knee
pads
●● Why is excess moisture in crawl spaces such a big deal to our
customers?
Answer: Facilitates an environment for pests that can cause structural
and health concerns in addition to being nuisances.
●● T/F: Do customers breath the air from the crawlspace?
Answer: True!
●● What are some ways to remedy water in the crawl space?
Answer: Install a new gutter that slopes down and away from the house
(following the grade) OR a sump pump
●● Are there ventilation standards in crawl spaces for sub termites?
Answer: No!
,●● Are there ventilation standards in crawl spaces for wood-destroying
beetles and fungi?
Answer: Yes!
●● All ventilation materials (ex: vents, vapor barriers, etc must meet the
standard of the __________________________ code
Answer: International Building Code
●● How thick should your vapor barrier be?
Answer: 4-6mm
●● If a home has an infestation of wood boring beetles on the outside of
the home what are the requirements to treat the crawlspace?
Answer: You do not need to treat the crawlspace or apply vapor barrier.
Wood on the outside should be treated with a pesticide for wood boring
beetles per the label.
●● If conducive conditions are discovered within _________ days of
treatment and a WDI report to remedy pests or fungi in a crawl space the
PMP must return and remedy the issues free of charge to the customer.
Answer: 90 days
,●● If less than 90% of the soil in the crawl is covered with a Class 1
vapor barrier
(4 or 6 ml poly)....
Answer: divide the sq. ft. of soil in the crawl by 150...and that equals
the square footage of ventilation that is required to meet the Building
Code.
●● If 90% or > of the soil of the crawl space is covered with a Class 1
vapor barrier
(4 or 6 ml poly)...
Answer: divide the sq. ft. of soil in the crawl by 1,500...and that equals
the square footage of ventilation that is required to meet the Building
Code.
●● What are the minimum treatment standards for the prevention or
control
of powder post beetles?
Answer: If the PPB infestation is in the crawl space, at least 70% of the
soil of the crawl space must be covered with a vapor barrier and the
under-floor space must meet the ventilation standards of the
International Residential Building Code of 1 & 2 Family Homes.
The application of a pesticide registered by EPA and the Georgia
Department of Agriculture, in strict accordance with the product's
registered directions for use.
, ●● What are the minimum standards for the prevention or control of
wood
decay fungi?
Answer: When wood decay fungi are present in the crawl space, at least
70% of the soil of the crawl space must be covered with a vapor barrier
and the under-floor space must meet the ventilation standards of the
International Residential Building Code of 1 & 2 Family Homes.
●● If the wood decay fungus in the crawl space is water-conducting rot
(Poria incrassata), the additonal treatment measures must be met:
Answer: 1. Cut the visible rhizomorphs and scrape visible fungal growth
from the
foundation walls.
2. Removal of all wooden contacts between buildings and inside crawl
space
soil, other than those wooden supports which have been treated with
preservatives to a minimum preservative retention designed for ground
contact.
●● T/F: Is inadequate ventilation a conducive condition on the Georgia
WDI form?
Answer: Yes! (True)
CORRECT ANSWERS COMPLETE STUDY
GUIDE
●● What safety equipment (or PPE) should you wear when in
crawlspaces?
Answer: Bump cap, coveralls, safety glasses, RESPIRATOR, and knee
pads
●● Why is excess moisture in crawl spaces such a big deal to our
customers?
Answer: Facilitates an environment for pests that can cause structural
and health concerns in addition to being nuisances.
●● T/F: Do customers breath the air from the crawlspace?
Answer: True!
●● What are some ways to remedy water in the crawl space?
Answer: Install a new gutter that slopes down and away from the house
(following the grade) OR a sump pump
●● Are there ventilation standards in crawl spaces for sub termites?
Answer: No!
,●● Are there ventilation standards in crawl spaces for wood-destroying
beetles and fungi?
Answer: Yes!
●● All ventilation materials (ex: vents, vapor barriers, etc must meet the
standard of the __________________________ code
Answer: International Building Code
●● How thick should your vapor barrier be?
Answer: 4-6mm
●● If a home has an infestation of wood boring beetles on the outside of
the home what are the requirements to treat the crawlspace?
Answer: You do not need to treat the crawlspace or apply vapor barrier.
Wood on the outside should be treated with a pesticide for wood boring
beetles per the label.
●● If conducive conditions are discovered within _________ days of
treatment and a WDI report to remedy pests or fungi in a crawl space the
PMP must return and remedy the issues free of charge to the customer.
Answer: 90 days
,●● If less than 90% of the soil in the crawl is covered with a Class 1
vapor barrier
(4 or 6 ml poly)....
Answer: divide the sq. ft. of soil in the crawl by 150...and that equals
the square footage of ventilation that is required to meet the Building
Code.
●● If 90% or > of the soil of the crawl space is covered with a Class 1
vapor barrier
(4 or 6 ml poly)...
Answer: divide the sq. ft. of soil in the crawl by 1,500...and that equals
the square footage of ventilation that is required to meet the Building
Code.
●● What are the minimum treatment standards for the prevention or
control
of powder post beetles?
Answer: If the PPB infestation is in the crawl space, at least 70% of the
soil of the crawl space must be covered with a vapor barrier and the
under-floor space must meet the ventilation standards of the
International Residential Building Code of 1 & 2 Family Homes.
The application of a pesticide registered by EPA and the Georgia
Department of Agriculture, in strict accordance with the product's
registered directions for use.
, ●● What are the minimum standards for the prevention or control of
wood
decay fungi?
Answer: When wood decay fungi are present in the crawl space, at least
70% of the soil of the crawl space must be covered with a vapor barrier
and the under-floor space must meet the ventilation standards of the
International Residential Building Code of 1 & 2 Family Homes.
●● If the wood decay fungus in the crawl space is water-conducting rot
(Poria incrassata), the additonal treatment measures must be met:
Answer: 1. Cut the visible rhizomorphs and scrape visible fungal growth
from the
foundation walls.
2. Removal of all wooden contacts between buildings and inside crawl
space
soil, other than those wooden supports which have been treated with
preservatives to a minimum preservative retention designed for ground
contact.
●● T/F: Is inadequate ventilation a conducive condition on the Georgia
WDI form?
Answer: Yes! (True)
