Install Instructions

Table 7: Firestop Spacers & Firestop Spacer Supports
Page 18 of 28
Firestop
Part ID
Firestop
Support
Part ID
Single Wall or
Double Wall
(Inner/Outer)
Diameter
(Nominal)
Single Wall
or Double
Wall Outer to
Combustible
Clearance
Combustible
Ceiling Inside
Opening
MINIMUM
Fire Stop
Outer Plate
Dimensions
Maximum Vent Gas
Temperature
2ZVFS03 2ZVFSS03 3" 4" 11" x 11" 16" x 16" 480°F
2ZVFS04 2ZVFSS04 4" 4" 12" x 12" 17" x 17" 480°F
2ZVFS05 2ZVFSS05 5" or 3”/5” 4" 13" x 13" 18" x 18" 480°F
2ZVFS064DW 2ZVFSS064DW 4”/6” 4" 14" x 14" 19" x 19" 480°F
2ZVFS075DW 2ZVFSS075DW 5”/7” 4" 15" x 15" 20" x 20" 480°F
2ZVFS06 2ZVFSS06 6" 6” 18” x 18” 23” x 23” 550°F
2ZVFS07 2ZVFSS07 7" 6” 19” x 19” 24” x 24” 550°F
2ZVFS08 2ZVFSS08 8" or 6”/8” 6” 20” x 20” 25” x 25” 550°F
2ZVFS09 2ZVFSS09 9" or 7”/9” 6” 21” x 21” 26” x 26” 550°F
2ZVFS10 2ZVFSS10 10" or 8”/10” 6” 22” x 22” 27” x 27” 550°F
2ZVFS11 2ZVFSS11 9”/11” 6” 23” x 23” 28” x 28” 550°F
2ZVFS12 2ZVFSS12 12" or 10”/12” 6” 24” x 24” 29” x 29” 550°F
2ZVFS14 2ZVFSS14
14" * or
12”/14”
6” 26” x 26” * 31” x 31”
550°F 12"/14" Double
Wall, *300°F or Non-
Combustible Material
14" Single Wall
2ZVFS16 2ZVFSS16 16" or 14”/16” 6” 28” x 28” * 33” x 33”
*300°F or Non-
Combustible Material
2ZVFS18 2ZVFSS18 18" or 16”/18” 6” 30” x 30” * 35” x 35”
*300°F or Non-
Combustible Material
2ZVFS20 2ZVFSS20 20" or 18”/20” 6” 32” x 32” * 37” x 37”
*300°F or Non-
Combustible Material
2ZVFS22 2ZVFSS22 22" or 20”/22” 6” 34” x 34” * 39” x 39”
*300°F or Non-
Combustible Material
2ZVFS24 2ZVFSS24 24" or 22”/24” 6” 36” x 36” * 41” x 41”
*300°F or Non-
Combustible Material
2ZVFS26 2ZVFSS26 24”/26” 6” 38” x 38” * 43” x 43”
*300°F or Non-
Combustible Material