IICRC WRT 2025 NEW MOST TESTED
EXAM QUESTIONS WITH VERIFIED
ANSWERS GRADED A+ ASSURED
SUCCESS
A first priority on every water loss is to conduct a - correct answerHazard and risk
assessment
All technicians required to wear respiratory protection must be: - correct answerTrained,
Fitted for mask and evaluated medically.
Two hazardous materials commonly found in older structures are - correct answerLead
and Asbestos
Water damage restoration work never begins without a signed - correct answerwork
authorization
To minimize damage to building materials and contents, restorers should perform
_______________________________________ as part of the preliminary inspection. -
correct answerLoss mitigation services
When pre-existing damage is discovered, technicians should ___________________
and ____________________ to all materially interested parties. - correct
answerdocument and communicate
Technicians should always use a _______________________ and a
_______________________ to disengage carpet from the tackless strip. - correct
answerknee kicked and carpet awl
The primary reasons for carpet delimitations are: - correct answerDamage due to water
Folding of wet carpet during pad removal
Over aggressive extraction
Dragging heavy items
Alot of foot traffic
Improper install
Pet urine
Secondary damage is most prevalent in ___________________ materials. - correct
answerHygroscopic
,Above __________% RH supports microbial growth and secondary damage can occur
in hygroscopic materials. - correct answer60%
Category _____ water originated from a sanitary source and does not pose substantial
risk to humans. - correct answer1
Category ____ water contains significant contamination and has the potential to cause
discomfort or sickness if contacted or consumed by humans - correct answer2
In a Category 3 water intrusion with elevated risk situations, restorers should consider
using an ______________________________________ to assist in a remediation
assessment. - correct answerIndoor environmental Professional (IEP)
When working contaminated environments technicians should erect
________________________, done appropriate __________, and install
______________________. - correct answerContainment, PPE, Air filtration device
(AFD)
When working in a CAT 3 water loss the PPE should consist of: - correct answerAll of it:
full face respiratory mask
protective suit
waterproof gloves
water proof boots
If at any time during the remediation of a cat 3 loss, any materially interested party
disagrees with how the remediation processes will be performed, restorers should
____________ immediately until the conflict is resolved. - correct answerSTOP
Which property of a material more relates to water vapor passing through or out of it? -
correct answerPermeance
In order to effectively dry wood subfloor beneath vinyl floor, restorers should remove the
____________________ - correct answervinyl floor
When cellulosic insulation gets wet it should be __________ - correct answerremoved
Gypsum board that is saturated and sagging should safely ___________ and
_________. - correct answerDrained and removed
When inspecting a water damaged structure, techs should inspect all
___________________ areas - correct answerpotentially affected
Class ___ water losses contain the least amount of water absorption and evaporation
load where wet, porous materials represent less than 5% of the combined floor, wall
and ceiling surface area in the space - correct answer1
, Class ____ water losses contain a significant amount of water absorption and
evaporation load where wet, porous materials represent 5%-40% of the combined, floor,
wall and ceiling surface area in the space - correct answer2
The greatest amount of water absorption and evaporation load where wet, porous
materials represent more than 40% of the combined wall, floor, and ceiling surface
areas and where low evaporation materials or assemblies have absorbed minimal
moisture is a Class___________ - correct answer3
Water intrusion that involves a significant amount of water absorption bound within low
evaporation materials and may require longer drying times is a class ____ - correct
answer4
moisture detection equipment should be used to measure and document
___________________ and _______________________________. - correct
answerMoisture content and relative humidity readings.
A _____________ can be used to determine the extent of water migration in carpet and
pad - correct answermoisture sensor
Thermo-hygrometer - correct answermeasures temperature and humidity
Moisture levels of structural materials are measured and dry standards are determined
using a _______________________ - correct answermoisture meter
To locate moisture beneath ceramic tile restorers should use a _____________
moisture meter - correct answernon-invasive or non penetrating
_______________ do not detect moisture but can be a useful tool in identifying
potentially wet materials - correct answerInfrared Cameras or Thermal Imagine
as moisture evaporates from materials the surface of that materials becomes
_____________ - correct answercooler
________________ is always removed in both Cat 2 & 4 water damages - correct
answerCarpet cushion or pad
Damage particle board should be ___________ and _____________________ - correct
answerremoved and replaced
This material loses most of its structural integrity when wet but regains its strength when
dry: - correct answerGypsum wallboard or carpet
Multiple extraction passes greatly _______ drying times - correct answerreduces
EXAM QUESTIONS WITH VERIFIED
ANSWERS GRADED A+ ASSURED
SUCCESS
A first priority on every water loss is to conduct a - correct answerHazard and risk
assessment
All technicians required to wear respiratory protection must be: - correct answerTrained,
Fitted for mask and evaluated medically.
Two hazardous materials commonly found in older structures are - correct answerLead
and Asbestos
Water damage restoration work never begins without a signed - correct answerwork
authorization
To minimize damage to building materials and contents, restorers should perform
_______________________________________ as part of the preliminary inspection. -
correct answerLoss mitigation services
When pre-existing damage is discovered, technicians should ___________________
and ____________________ to all materially interested parties. - correct
answerdocument and communicate
Technicians should always use a _______________________ and a
_______________________ to disengage carpet from the tackless strip. - correct
answerknee kicked and carpet awl
The primary reasons for carpet delimitations are: - correct answerDamage due to water
Folding of wet carpet during pad removal
Over aggressive extraction
Dragging heavy items
Alot of foot traffic
Improper install
Pet urine
Secondary damage is most prevalent in ___________________ materials. - correct
answerHygroscopic
,Above __________% RH supports microbial growth and secondary damage can occur
in hygroscopic materials. - correct answer60%
Category _____ water originated from a sanitary source and does not pose substantial
risk to humans. - correct answer1
Category ____ water contains significant contamination and has the potential to cause
discomfort or sickness if contacted or consumed by humans - correct answer2
In a Category 3 water intrusion with elevated risk situations, restorers should consider
using an ______________________________________ to assist in a remediation
assessment. - correct answerIndoor environmental Professional (IEP)
When working contaminated environments technicians should erect
________________________, done appropriate __________, and install
______________________. - correct answerContainment, PPE, Air filtration device
(AFD)
When working in a CAT 3 water loss the PPE should consist of: - correct answerAll of it:
full face respiratory mask
protective suit
waterproof gloves
water proof boots
If at any time during the remediation of a cat 3 loss, any materially interested party
disagrees with how the remediation processes will be performed, restorers should
____________ immediately until the conflict is resolved. - correct answerSTOP
Which property of a material more relates to water vapor passing through or out of it? -
correct answerPermeance
In order to effectively dry wood subfloor beneath vinyl floor, restorers should remove the
____________________ - correct answervinyl floor
When cellulosic insulation gets wet it should be __________ - correct answerremoved
Gypsum board that is saturated and sagging should safely ___________ and
_________. - correct answerDrained and removed
When inspecting a water damaged structure, techs should inspect all
___________________ areas - correct answerpotentially affected
Class ___ water losses contain the least amount of water absorption and evaporation
load where wet, porous materials represent less than 5% of the combined floor, wall
and ceiling surface area in the space - correct answer1
, Class ____ water losses contain a significant amount of water absorption and
evaporation load where wet, porous materials represent 5%-40% of the combined, floor,
wall and ceiling surface area in the space - correct answer2
The greatest amount of water absorption and evaporation load where wet, porous
materials represent more than 40% of the combined wall, floor, and ceiling surface
areas and where low evaporation materials or assemblies have absorbed minimal
moisture is a Class___________ - correct answer3
Water intrusion that involves a significant amount of water absorption bound within low
evaporation materials and may require longer drying times is a class ____ - correct
answer4
moisture detection equipment should be used to measure and document
___________________ and _______________________________. - correct
answerMoisture content and relative humidity readings.
A _____________ can be used to determine the extent of water migration in carpet and
pad - correct answermoisture sensor
Thermo-hygrometer - correct answermeasures temperature and humidity
Moisture levels of structural materials are measured and dry standards are determined
using a _______________________ - correct answermoisture meter
To locate moisture beneath ceramic tile restorers should use a _____________
moisture meter - correct answernon-invasive or non penetrating
_______________ do not detect moisture but can be a useful tool in identifying
potentially wet materials - correct answerInfrared Cameras or Thermal Imagine
as moisture evaporates from materials the surface of that materials becomes
_____________ - correct answercooler
________________ is always removed in both Cat 2 & 4 water damages - correct
answerCarpet cushion or pad
Damage particle board should be ___________ and _____________________ - correct
answerremoved and replaced
This material loses most of its structural integrity when wet but regains its strength when
dry: - correct answerGypsum wallboard or carpet
Multiple extraction passes greatly _______ drying times - correct answerreduces
