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144 Thermoset Plastic Single-Ply Roofs
HAAG CERT I F I ED ROOF INSPECTOR PROGRAM WORKBOOK • COMMERC IAL ED I T ION
8.
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When stepped on, debris including screws can puncture EPDM membranes.
Many leaks where two roofing systems abutted without special detail; note extensive accumulations of algae in valleys that ponded water.
Walk pads protect underlying EPDM roofing membranes.
Thermoset: Maintenance Problems
Two roofing systems abutted without special details.
Nails surface-driven through edge of CSPE membrane.
Thermoset Plastic Single-Ply Roofs 145
HAAG CERT I F I ED ROOF INSPECTOR PROGRAM WORKBOOK • COMMERC IAL ED I T ION
8. T
HE
RM
OS
ET
Cuts in membrane made mechanically.
Cuts in EPDM membranes made mechanically.
Solvent-caused damage to EPDM membrane.
Hole in EPDM membrane caused mechanically.
COPYRIGHTED MATERIAL COPYRIGHTED MATERIAL
COPYRIGHTED MATERIAL COPYRIGHTED MATERIAL
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