Message Board Thread - "House moisture inspections"

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House moisture inspections Kiwi 3/26/2012
I have a question i would like some comment on from members of the forum.

How long ago does it need to have rained to complete a usable infrared moisture inspection of a house. I'm aware that various climate conditions will affect each situation a bit differently. I have about 18 years of building experience, 4+ years as a ITC Level 1 thermographer and like to think a good amount of common sense.

I have been contacted a lot over summer to do these inspections for people looking at buying homes, many times with 2+ weeks of 20-30C summer days and no rain. I have explained that in order to check a house mainly for water leaks & moisture intrusion i need recent moisture on the building system (unless we go into the expenses of watering systems). Other companies however are doing these inspections whenever requested. Is there a rule of thumb for how long members think they can still get good results after a rain fall?
 
Re:House moisture inspections chicago infrared 3/26/2012
Kiwi wrote:
a question i would like some comment on from members of the forum.

How long ago does it need to have rained to complete a usable infrared moisture inspection of a house. I'm aware that various climate conditions will affect each situation a bit differently. I have about 18 years of building experience, 4+ years as a ITC Level 1 thermographer and like to think a good amount of common sense.

I have been contacted a lot over summer to do these inspections for people looking at buying homes, many times with 2+ weeks of 20-30C summer days and no rain. I have explained that in order to check a house mainly for water leaks & moisture intrusion i need recent moisture on the building system (unless we go into the expenses of watering systems). Other companies however are doing these inspections whenever requested. Is there a rule of thumb for how long members think they can still get good results after a rain fall?
Most building components will dry within 2 weeks unless they are not exposed to air movement to dry them. You may find moisture in the building envelope due to air migration/condensation, I have also found moisture in ceiling cavities due to duct leakage/condensation. I usually get calls within 24 hrs of rainfall and try to respond immediately.
 
Re:House moisture inspections Kiwi 3/31/2012
Thank you for the post, I also use a 2 day window as my range for looking for waterleaks after a rainfall, so i feel better about that. I wish i could get some of the other infrared companies to apply that rule as well.
 


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