
18
Installation Procedure
Z-FLEX
ROOF FLASHING
a.
The roof flashing provided in vertical kit is for roofs with pitch of 0 to 30
degrees (0/12 to 7/12 pitch).
b.
Optional flashings; part numbers: 2DVK(05,06,07,0.75,08,10,11)F are available
for roofs with larger pitch of 30 to 45 degrees (7/12 to 12/12 pitch) and are
sold separately.
c.
Check roof pitch and ensure proper flashing is installed.
d.
On top of roof, slide flashing with appropriate pitch over rigid pipe.
e.
Slip upper half of roof flashing plate under roof shingles while lower half of
flashing plate rests on top of roof shingles.
f.
Seal roof flashing to roof with a suitable field supplied waterproof mastic.
g.
Secure roof flashing to roof using field supplied roofing nails and neoprene
washers or suitable waterproof mastic to cover nail heads.
Fig. 12 Roof Flashing Installation
19.
20.
Review appliance manufacturer's installation instructions and local codes to
determine required installation height of termination above highest point of roof.
Add rigid extension pipe to top of rigid pipe protruding through roof as necessary
to meet required installation height of termination above roof.
Rigid Pipe
Roof Flashing Plate:
Slip Upper Half
Under Roof Shingles
Seal & Secure Roof
Flashing to Roof
Using Field Supplied
Hardware & Sealant