Use and Care Guide

Storm Collar
Cathedral Ceiling
Support Box
ØB
ØA
Storm Collar
Use to maintain a weather tight resistant seal between the pipe
and the ashing.
SIZE STOCK # A B
3”
3PVP-SC 3 ⁄” 7 ⁄”
4”
4PVP-SC 4 ⁄” 8 ⁄”
Attic Insulation Shield
Cathedral Ceiling
Support Box
Adjusts
11”-20”
9
3
/16”
7
3
/16”
Ø6¾”
Ø3⅝”
&
Ø4⅝”
Attic Insulation
shield
Required for installations that pass through an attic to prevent
insulation and debris from accumulating near the vent. Provides
1” clearance to combustibles.
SIZE STOCK #
3”
3PVP-IS
4”
4PVP-IS
Adjustable Roof Flashing
ØA
18⅛”
17”
4¼”
Adjustable Roof
Flashing
Use to weather proof the penetration of vent pipe through the
roof. Storm Collar required. Select roof ashing based on pitch of
roof. For pitches of 0/12 - 6/12. For steep roof pitches, refer to the
Gas Vent catalog. Made of galvalume.
SIZE STOCK # A
3”
3PVP-F6 3 ⁄”
4”
4PVP-F6 4 ⁄”
Tall Cone Roof Flashing
17”
11”
17”
ØA
Tall Cone Flashing
Use to weather proof the penetration of vent pipe through the
roof. Storm Collar required. Select roof ashing based on pitch
of roof. Use on at roofs, chase enclosures, or masonry chimney.
Made of galvalume.
SIZE STOCK # A
3”
3PVP-FF 3 ⁄”
4”
4PVP-FF 4 ⁄”
PelletVent Pro | Pellet Chimney
Simpson Dura-Vent | www.duravent.com
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