Condo Media - February 2021 - 30
The Region
MAINE
the roof surface under the shingles,
leading to water infiltration and causing
water damage to ceilings and wall surfaces. By the time this happens, snow
roof raking rarely helps and chipping
away at the ice dam often causes damage to the roof surface. Heating cables
on the roof edge tend to reduce the life
of shingles and do not address the reason the ice is forming in the first place.
installed. Sometimes the vents can be
blocked by snow or ice. The fact that ice
dams are developing provides sufficient
empirical evidence the vent system is
being overwhelmed with heated air
from too much leakage of conditioned
air into the attic space.
Infrared scanning and other energy
audit techniques come into play when
one is trying to determine where this
heated air leakage is occurring and how
much is happening. Today's infrared
camera scanning (or thermal imaging
inspection, as it is often called) takes
colored photographs (thermographs)
of interior or exterior building surfaces.
These colors represent a gradient in
temperature interpreted by a skilled
infrared imaging technician to locate air
leaks or water leaks. The value of these
images is directly related to the quality of
the camera and the image interpretation
accuracy of an experienced technician.
LOCATE AIR LEAKAGE
Roof systems are designed to prevent
the interior heated air from ever reaching the roof sheathing underside. Sometimes the soffit/ridge or other building
venting system is poorly designed or
DETECT WET SURFACES
Using thermal imaging to resolve ice
dam problems is just one way to use this
amazing forensic tool, which deserves
its spot in the building scientist's arsenal
of non-invasive inspection techniques.
Combating
Ice Dams
Thermal Imaging Your Condo
[by Jack Carr, P.E., RS, LEED-AP]
Winter in Maine comes with many
four-letter words, words such as " snow, "
" high fuel bill, " and " dams. " By " dams, "
I mean ice dams. Some winters are worse
than others, causing boards and property
managers to look for ways to reduce this
serious problem in the coming months.
Infrared scanning (thermography) can be
one of the tools used to combat ice dams
and the related water damage they cause.
Ice dams are primarily caused by
indoor heated air reaching the underside
of the sloping roof sheathing, producing
a cycle of melting/freezing snow that
creates an ice barrier at the drip edge of
the roof. Further melting snow water will
then back up from the dam and penetrate
30
CONDOMEDIA February 2021
Condo Media - February 2021
Table of Contents for the Digital Edition of Condo Media - February 2021
Contents
Condo Media - February 2021 - Cover1
Condo Media - February 2021 - Cover2
Condo Media - February 2021 - Contents
Condo Media - February 2021 - 2
Condo Media - February 2021 - 3
Condo Media - February 2021 - 4
Condo Media - February 2021 - 5
Condo Media - February 2021 - 6
Condo Media - February 2021 - 7
Condo Media - February 2021 - 8
Condo Media - February 2021 - 9
Condo Media - February 2021 - 10
Condo Media - February 2021 - 11
Condo Media - February 2021 - 12
Condo Media - February 2021 - 13
Condo Media - February 2021 - 14
Condo Media - February 2021 - 15
Condo Media - February 2021 - 16
Condo Media - February 2021 - 17
Condo Media - February 2021 - 18
Condo Media - February 2021 - 19
Condo Media - February 2021 - 20
Condo Media - February 2021 - 21
Condo Media - February 2021 - 22
Condo Media - February 2021 - 23
Condo Media - February 2021 - 24
Condo Media - February 2021 - 25
Condo Media - February 2021 - 26
Condo Media - February 2021 - 27
Condo Media - February 2021 - 28
Condo Media - February 2021 - 29
Condo Media - February 2021 - 30
Condo Media - February 2021 - 31
Condo Media - February 2021 - 32
Condo Media - February 2021 - 33
Condo Media - February 2021 - 34
Condo Media - February 2021 - 35
Condo Media - February 2021 - 36
Condo Media - February 2021 - 37
Condo Media - February 2021 - 38
Condo Media - February 2021 - 39
Condo Media - February 2021 - 40
Condo Media - February 2021 - 41
Condo Media - February 2021 - 42
Condo Media - February 2021 - 43
Condo Media - February 2021 - 44
Condo Media - February 2021 - 45
Condo Media - February 2021 - 46
Condo Media - February 2021 - 47
Condo Media - February 2021 - 48
Condo Media - February 2021 - Cover3
Condo Media - February 2021 - Cover4
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202307
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202306
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202305
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202304
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202303
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202302
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202301
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202212
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202211
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202210
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202204
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202203
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202202
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202105
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202102
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_202101
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201912
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201911
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201911_v2
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201909
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201908
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201905
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201903
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201902
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201901
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201812
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201811
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201810
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201809
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201801
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201712
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201711
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201710
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201709
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201708
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201707
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201706
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201705
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201704
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201703
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201702
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201701
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201612
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201611
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201610
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201609
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201608
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201607
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201606
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201605
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201604
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201603
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201602
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201601
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201512
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201511
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201510
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201509
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201507
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201506
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201412
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201411
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201410
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201409
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201311
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https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201212
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201211
https://www.nxtbook.com/nxtbooks/mcneill/condomedia_201210
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