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Roofing
NRCA ProCertification - EPDM Installer
Flashing and Penetration Details
Vérification des connaissances
Flashing and Penetration Details
Vérification des connaissances
Vérification des connaissances
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A cluster of pipes spaced too closely together for individual pipe boots should be handled by which method?
A
Building a common curb around the group and flashing it as a single rectangular penetration
B
Using a single large sheet of cured EPDM with holes cut for each pipe
C
Installing oversized boots that overlap each other
D
Wrapping each pipe individually with uncured EPDM and splicing cement
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