 |
| 1. |
Fracture of a PVC flashing detail at a parapet
wall caused by tenting and careless window cleaning workers. |
| 2. |
Spalling of concrete surface and parging on a n
apartment building balcony overhang. |
| 3. |
Blisters and ridtes on conventional BUR. |
| 4. |
Rusted and corroded metal flashing at a roof
flashing detail. |
| 5. |
Wind blow off modified BUR in Toronto causd
improper roofing applications and lack of asphalt between fireboard overlay and original
roof. |
| 6. |
Wind blow off of modified BUR in Toronto caused
by improper roofing applications and lack of asphalt between fireboard overlay and
original roof. |
| 7. |
Plant growth on roof and an unballasted PVC
roof. |
| 8. |
View of a roof in northern Ontario with
excessive snow loading. |
| 9. |
Illustration of a poor wall flashing detail,
nopte exposed cant. Buildings were built at separate times and were never properly tied
together. |
| 10. |
Improperly flashed EPDM roof drain detail. |
| 11. |
Lack of horizontal support for wood blocking. |
| 12. |
Opening in flashing detail at scupper. |
| 13. |
View of non-insulated pipe and condensation that
has occurred. |
| 14. |
Roof of an ungeated building in winter. |
| 15. |
Severe water ponding problem and blocked drain
strainers. |
| 16. |
Deterioration and failure of coping stones. |
| 17. |
Damaged control joint. |
| 18. |
Wet area detectd by infrared camera outlined in
yellow paint. |
| 19. |
Improper flashing repair at mechanical unit. |
| 20. |
Corroded steel deck and its subsequent removal
and replacement. |
| 21. |
Hole caused by corrosion of steel deck. |
| 22. |
Failure of structural steel deck, caused by ice
impact. |
| 23. |
Failure of structural steel deck due to snow and
ice impact. |
| 24. |
Flashing problem at detail of metal roof. |
| 25. |
Flashing problem at detail of metal roof. |
| 26. |
Illustration of severe water ponding due to poor
drainage. |
| 27. |
View of a poorly sealed shingle. |
| 28. |
Incorrect nailing pattern on a shingle roof. |
| 29. |
Deflection of a wood deck in a shingled roof. |
| 30. |
Oversized entry point for gas pipe. |
| 31. |
Ice problem at edge of a shingled roof caused by
poor ventilation. |
| 32. |
Excess build up of debris on a roof. |
| 33. |
Illustration of a hydraulic cement patch. |
| 34. |
View of a roof with debris. |
| 35. |
Improperly applied modified repair patch. |
| 36. |
Split in PVC curb flashing detail at non
chamfered edge detail. |
| 37. |
Tenting of PVC membrane at parapet wall detail. |
| 38. |
Condensation and fungus growth found on the
underside of a residential roof application caused by inadequate ventillation. |
| 39. |
Illustration of an improperly nailed shingle. |
| 40. |
Typical blister, note width of blister. Blister
is usually a sign of moisture entrapment in the interply felt layer. |
| 41. |
Typical longitudinal ridge. This type of ridge
is caused by movement of the insulation substrate. This could be caused by delamination of
the insulation with the deck or vapour retarder of shrinkage of the insulation. |
| 42. |
Asphalt bleed out from a BUR roof. This is a
sign of aging. |
| 43. |
Bare and exposed felts caused by wind scouring
at corner of roof. |
 |
| 1. |
Shingle roof with organic felt underlayment. |
| 2. |
Torch application of modified cap sheet for a
modified bitumen roof system. |
| 3. |
Marley concrete tile roof system. |
| 4. |
View of a common roofing site. |
| 5. |
View of a typical roof under construction. |
| 6. |
Priming of concrete deck with asphalt primer
prior to installation of insualtion. |
| 7. |
Removal of saturated phenolic insualtion. |
| 8. |
Removal of water damaged roof. |
| 9. |
Mop applying No. 15 organic felt vapour
retarder. |
| 10. |
Mop application of polyisocyanurate insulation. |
| 11. |
Installation of polyisocyanurate insualtion and
fibreboard overlay insulation. |
| 12. |
Installation of Kraft paper on gypsu, board by
use of hot asphalt. |
| 13. |
Torch applying modified cap flashing to a curb
detail on a built up type 4 glass felt application. |
| 14. |
Mop application of organic felt membrane. |
| 15. |
Mop application of 4 ply organic felt. |
| 16. |
Application of pea gravel in hot asphalt. |
| 17. |
Mop application of organic felt at a control
joint repair. |
| 18. |
Installing a wood nailer at the top of a
firewall prior to applicatoin of ice and water shield membrane. |
| 19. |
Tapping the joint of asphalt primed gypsum
board. |
| 20. |
Fitting of modified base flashing at edge
detail. |
| 21. |
Installation of metal flashing at a vent stack. |
| 22. |
Construction of a new control joint. |
| 23. |
Installation of 2 part PVC flashing detail. |
| 24. |
Illustration of a PVC walkway. |
| 25. |
Installation of new metal decking and
application of rust inhibitor. |
| 26. |
Installation of insulation for an inverted roof
application |
| 27. |
Torch application of a modified membrane. |
| 28. |
Polyisocyanurate insulation is mechanically
fastened to deck. Note new cant strips applied to curb detail. |
| 29. |
Adhering of EPDM flashing at curb detail. |
| 30. |
Illustration of fall restraint system. |
| 31. |
Finished tapered 2 ply modified bitumen roof. |
| 32. |
Installation of an EPDM loose laid ballasted
roof system. |
| 33. |
Lay out of filter fabric sheet for an inverted
roofing system. |
| 34. |
Ballast being placed over filter fabric sheet. |
| 35. |
Installation of a shingle roof. |
| 36. |
Shingle roof with ice and water shield and
organic felt underlay. |
| 37. |
View of completed PVC roof application at Air
Traffic Control building, Pearson International Airport. |
 |
| 1. |
Sample of an Infrared thermagram internal
bushing problem on an overhead transformer. |
| 2. |
Sample of an Infrared thermagram internal
bushing problem on an overhead transformer. |
| 3. |
Infrared photo of a loose bushing connection on
a pothead taken during an overhead hydro infrared scan. |
| 4. |
Infrared photo of a loose bushing connection on
a pothead taken during an overhead hydro infrared scan. |
| 5. |
B. Tessler performing infrared scan at night
with Agema infrared camera system. |
| 6. |
Thermogram of an electrical hot spot on a
disconnect. Third phase fuse clip is loose. Photo courtesy of Flir Systems Inc. |
| 7. |
Thermogram of wet insulation on a flat built up
roof. Photo courtest of Flir Systems Inc. |
| 8. |
Thermogram of wet insulation area ona roof
adjacent to a soil vent. Photo courtesy of Infraspection Institute. |
| 9. |
Thermogram of heat loss in a refractory lined
kiln. Photo courtesy on Flir Systems Inc. |
| 10. |
Thermogram of heat loss at the roof to wall
interstice of a building. Photo courtesy of Flir Systems Inc. |
| 11. |
Thermogram of overheating motor bearing. Photo
courtesy of Flir Systems Inc. |
| 12. |
thermogram of a bolt connection in a bus bar for high tension substation.
Photo courtesy of Flir Systems Inc. |
| 13. |
Verification of moisture content in insulation
during core test procedures and infrared scanning using a Delmhorst moisture probe. |
| 14. |
image of electrical fault on bus at bolt |
| 15 |
Infrared photo of a loose jumper connection on a
high voltage system, phost courtesy of Flir Systems Inc.. |
| 16. |
Loose lug connection of a high voltage switch,
photo courtesy of Flir Systems Inc. |
| 17. |
Loose connection from a breaker to a fuse on
both first and second phases, photo courtesy of Flir Systems Inc.. |
| 18. |
First phase fuse top clip is loose, photo
courtesy of Flir Systems Inc.. |
| 19. |
First phase fuse clip and bolts are loose on a
breaker, photo courtesy of Flir Systems Inc.. |
| 20. |
Third phase fuse top clip and lug for disconnect
is defective, photo courtesy of Flir Systems Inc. |
| 21. |
Verification of moisture content in insulation
during core test procedures and infrared scanning using a Delmhorst moisture probe. |
| 22. |
Third phase fuse and lug connection on a breaker
is loose, photo courtesy of Flir Systems Inc.. |
| 23. |
Refractory lining on a rotating kiln is
defective, photo courtesy of Flir Systems Inc.. |
| 24. |
Defective 15 amp breaker found in a lighting
panel. |
| 25. |
Poor connection at the jaws of a switch on a
high voltage tower. |
| 26. |
Loose fuse holder on a high voltage fuse, photo
courtesy of Flir Systems Inc. |
| 27. |
Wet fibreboard insulation panel on a flat roof,
photo courtesy of Flir Systems Inc.. |
| 28. |
Wet insulation found adjacent to a roof drain. |
| 29. |
Wet fibrous glass insulation panel found in a
roof. |
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