Collection: Insulated Square Roof Curbs - Master List
AVP's insulated square roof curbs use Johns Manville Foil-Faced Polyisocyanurate board insulation to control condensation and resist moisture absorption — outperforming traditional fiberglass insulation that traps moisture and promotes mold growth. Available in 6", 12", and 18" heights for any climate zone, with widths from 6" to 51". Compatible with EPDM, PVC, and TPO roofing systems and removable for easy attic access.… Read More
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Insulated Square Roof Curb for 3" Diameter Vent
Insulated Square Roof Curb for 3" Diameter Vent
Model No: SRC-3-H6-Ins
Fits Vent Size: 3"
Opening: 5"
Height 6"
L & W: 6"
Price:Regular price $33.00 USD
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Insulated Square Roof Curb for 3" Diameter Vent
Insulated Square Roof Curb for 3" Diameter Vent
Model No: SRC-3-H8-Ins
Fits Vent Size: 3"
Opening: 5"
Height 8"
L & W: 6"
Price:Regular price $36.00 USD
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Insulated Square Roof Curb for 3" Diameter Vent
Insulated Square Roof Curb for 3" Diameter Vent
Model No: SRC-3-H12-Ins
Fits Vent Size: 3"
Opening: 5"
Height 12"
L & W: 6"
Price:Regular price $47.00 USD
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Insulated Square Roof Curb for 4" Diameter Vent
Insulated Square Roof Curb for 4" Diameter Vent
Model No: SRC-4-H6-Ins
Fits Vent Size: 4"
Opening: 6"
Height 6"
L & W: 7"
Price:Regular price $36.00 USD
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Insulated Square Roof Curb for 4" Diameter Vent
Insulated Square Roof Curb for 4" Diameter Vent
Model No: SRC-4-H8-Ins
Fits Vent Size: 4"
Opening: 6"
Height 8"
L & W: 7"
Price:Regular price $39.00 USD
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Insulated Square Roof Curb for 4" Diameter Vent
Insulated Square Roof Curb for 4" Diameter Vent
Model No: SRC-4-H12-Ins
Fits Vent Size: 4"
Opening: 6"
Height 12"
L & W: 7"
Price:Regular price $51.00 USD
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Insulated Square Roof Curb for 5" Diameter Vent
Insulated Square Roof Curb for 5" Diameter Vent
Model No: SRC-5-H6-Ins
Fits Vent Size: 5"
Opening: 7"
Height 6"
L & W: 8"
Price:Regular price $42.00 USD
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Insulated Square Roof Curb for 5" Diameter Vent
Insulated Square Roof Curb for 5" Diameter Vent
Model No: SRC-5-H8-Ins
Fits Vent Size: 5"
Opening: 7"
Height 8"
L & W: 8"
Price:Regular price $45.00 USD
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Insulated Square Roof Curb for 5" Diameter Vent
Insulated Square Roof Curb for 5" Diameter Vent
Model No: SRC-5-H12-Ins
Fits Vent Size: 5"
Opening: 7"
Height 12"
L & W: 8"
Price:Regular price $58.00 USD
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Insulated Square Roof Curb for 6" Diameter Vent
Insulated Square Roof Curb for 6" Diameter Vent
Model No: SRC-6-H6-Ins
Fits Vent Size: 6"
Opening: 8"
Height 6"
L & W: 9"
Price:Regular price $47.00 USD
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Insulated Square Roof Curb for 6" Diameter Vent
Insulated Square Roof Curb for 6" Diameter Vent
Model No: SRC-6-H8-Ins
Fits Vent Size: 6"
Opening: 8"
Height 8"
L & W: 9"
Price:Regular price $51.00 USD
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Insulated Square Roof Curb for 6" Diameter Vent
Insulated Square Roof Curb for 6" Diameter Vent
Model No: SRC-6-H12-Ins
Fits Vent Size: 6"
Opening: 8"
Height 12"
L & W: 9"
Price:Regular price $64.00 USD
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Insulated Square Roof Curb for 7" Diameter Vent
Insulated Square Roof Curb for 7" Diameter Vent
Model No: SRC-7-H6-Ins
Fits Vent Size: 7"
Opening: 9"
Height 6"
L & W: 10"
Price:Regular price $54.00 USD
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Insulated Square Roof Curb for 7" Diameter Vent
Insulated Square Roof Curb for 7" Diameter Vent
Model No: SRC-7-H8-Ins
Fits Vent Size: 7"
Opening: 9"
Height 8"
L & W: 10"
Price:Regular price $56.00 USD
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Insulated Square Roof Curb for 7" Diameter Vent
Insulated Square Roof Curb for 7" Diameter Vent
Model No: SRC-7-H12-Ins
Fits Vent Size: 7"
Opening: 9"
Height 12"
L & W: 10"
Price:Regular price $71.00 USD
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Insulated Square Roof Curb for 8" Diameter Vent
Insulated Square Roof Curb for 8" Diameter Vent
Model No: SRC-8-H6-Ins
Fits Vent Size: 8"
Opening: 10"
Height 6"
L & W: 11"
Price:Regular price $60.00 USD
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Insulated Square Roof Curb for 8" Diameter Vent
Insulated Square Roof Curb for 8" Diameter Vent
Model No: SRC-8-H8-Ins
Fits Vent Size: 8"
Opening: 12"
Height 8"
L & W: 11"
Price:Regular price $63.00 USD
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Insulated Square Roof Curb for 8" Diameter Vent
Insulated Square Roof Curb for 8" Diameter Vent
Model No: SRC-8-H12-Ins
Fits Vent Size: 8"
Opening: 10"
Height 12"
L & W: 11"
Price:Regular price $77.00 USD
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Insulated Square Roof Curb for 9" Diameter Vent
Insulated Square Roof Curb for 9" Diameter Vent
Model No: SRC-9-H6-Ins
Fits Vent Size: 9"
Opening: 12"
Height 6"
L & W: 12"
Price:Regular price $68.00 USD
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Insulated Square Roof Curb for 9" Diameter Vent
Insulated Square Roof Curb for 9" Diameter Vent
Model No: SRC-9-H8-Ins
Fits Vent Size: 9"
Opening: 12"
Height 8"
L & W: 12"
Price:Regular price $72.00 USD
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Insulated Square Roof Curb for 9" Diameter Vent
Insulated Square Roof Curb for 9" Diameter Vent
Model No: SRC-9-H12-Ins
Fits Vent Size: 9"
Opening: 12"
Height 12"
L & W: 12"
Price:Regular price $85.00 USD
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Insulated Square Roof Curb for 10" Diameter Vent
Insulated Square Roof Curb for 10" Diameter Vent
Model No: SRC-10-H6-Ins
Fits Vent Size: 10"
Opening: 12"
Height 6"
L & W: 13"
Price:Regular price $78.00 USD
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Insulated Square Roof Curb for 10" Diameter Vent
Insulated Square Roof Curb for 10" Diameter Vent
Model No: SRC-10-H8-Ins
Fits Vent Size: 10"
Opening: 12"
Height 8"
L & W: 13"
Price:Regular price $82.00 USD
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Insulated Square Roof Curb for 10" Diameter Vent
Insulated Square Roof Curb for 10" Diameter Vent
Model No: SRC-10-H12-Ins
Fits Vent Size: 10"
Opening: 12"
Height 12"
L & W: 13"
Price:Regular price $95.00 USD
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Insulated Square Roof Curb for 12" Diameter Vent
Insulated Square Roof Curb for 12" Diameter Vent
Model No: SRC-12-H6-Ins
Fits Vent Size: 12"
Opening: 12"
Height 6"
L & W: 15"
Price:Regular price $89.00 USD
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Insulated Square Roof Curb for 12" Diameter Vent
Insulated Square Roof Curb for 12" Diameter Vent
Model No: SRC-12-H8-Ins
Fits Vent Size: 12"
Opening: 12"
Height 8"
L & W: 15"
Price:Regular price $98.00 USD
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Insulated Square Roof Curb for 12" Diameter Vent
Insulated Square Roof Curb for 12" Diameter Vent
Model No: SRC-12-H12-Ins
Fits Vent Size: 12"
Opening: 12"
Height 12"
L & W: 15"
Price:Regular price $129.00 USD
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Insulated Square Roof Curb for 12" Diameter Vent
Insulated Square Roof Curb for 12" Diameter Vent
Model No: SRC-12-H18-Ins
Fits Vent Size: 12"
Opening: 12"
Height 18"
L & W: 15"
Price:Regular price $195.00 USD
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Insulated Square Roof Curb for 14" Diameter Vent
Insulated Square Roof Curb for 14" Diameter Vent
Model No: SRC-14-H6-Ins
Fits Vent Size: 14"
Opening: 12"
Height 6"
L & W: 17"
Price:Regular price $99.00 USD
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Insulated Square Roof Curb for 14" Diameter Vent
Insulated Square Roof Curb for 14" Diameter Vent
Model No: SRC-14-H8-Ins
Fits Vent Size: 14"
Opening: 12"
Height 8"
L & W: 17"
Price:Regular price $117.00 USD
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Insulated Square Roof Curb for 14" Diameter Vent
Insulated Square Roof Curb for 14" Diameter Vent
Model No: SRC-14-H12-Ins
Fits Vent Size: 14"
Opening: 12"
Height 12"
L & W: 17"
Price:Regular price $143.00 USD
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Insulated Square Roof Curb for 14" Diameter Vent
Insulated Square Roof Curb for 14" Diameter Vent
Model No: SRC-14-H18-Ins
Fits Vent Size: 14"
Opening: 11"
Height 18"
L & W: 17"
Price:Regular price $221.00 USD
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Insulated Square Roof Curb for 16" Diameter Vent
Insulated Square Roof Curb for 16" Diameter Vent
Model No: SRC-16-H6-Ins
Fits Vent Size: 16"
Opening: 12"
Height 6"
L & W: 19"
Price:Regular price $112.00 USD
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Insulated Square Roof Curb for 16" Diameter Vent
Insulated Square Roof Curb for 16" Diameter Vent
Model No: SRC-16-H8-Ins
Fits Vent Size: 16"
Opening: 12"
Height 8"
L & W: 19"
Price:Regular price $137.00 USD
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Insulated Square Roof Curb for 16" Diameter Vent
Insulated Square Roof Curb for 16" Diameter Vent
Model No: SRC-16-H12-Ins
Fits Vent Size: 16"
Opening: 12"
Height 12"
L & W: 19"
Price:Regular price $156.00 USD
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Insulated Square Roof Curb for 16" Diameter Vent
Insulated Square Roof Curb for 16" Diameter Vent
Model No: SRC-16-H18-Ins
Fits Vent Size: 16"
Opening: 12"
Height 18"
L & W: 19"
Price:Regular price $247.00 USD
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Insulated Square Roof Curb for 18" Diameter Vent
Insulated Square Roof Curb for 18" Diameter Vent
Model No: SRC-18-H6-Ins
Fits Vent Size: 18"
Opening: 12"
Height 6"
L & W: 21"
Price:Regular price $125.00 USD
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Insulated Square Roof Curb for 18" Diameter Vent
Insulated Square Roof Curb for 18" Diameter Vent
Model No: SRC-18-H8-Ins
Fits Vent Size: 18"
Opening: 12"
Height 8"
L & W: 21"
Price:Regular price $156.00 USD
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Insulated Square Roof Curb for 18" Diameter Vent
Insulated Square Roof Curb for 18" Diameter Vent
Model No: SRC-18-H12-Ins
Fits Vent Size: 18"
Opening: 12"
Height 12"
L & W: 21"
Price:Regular price $176.00 USD
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Insulated Square Roof Curb for 18" Diameter Vent
Insulated Square Roof Curb for 18" Diameter Vent
Model No: SRC-18-H18-Ins
Fits Vent Size: 18"
Opening: 12"
Height 18"
L & W: 21"
Price:Regular price $273.00 USD
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Insulated Square Roof Curb for 20" Diameter Vent
Insulated Square Roof Curb for 20" Diameter Vent
Model No: SRC-20-H6-Ins
Fits Vent Size: 20"
Opening: 12"
Height 6"
L & W: 23"
Price:Regular price $138.00 USD
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Insulated Square Roof Curb for 20" Diameter Vent
Insulated Square Roof Curb for 20" Diameter Vent
Model No: SRC-20-H8-Ins
Fits Vent Size: 20"
Opening: 12"
Height 8"
L & W: 23"
Price:Regular price $176.00 USD
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Insulated Square Roof Curb for 20" Diameter Vent
Insulated Square Roof Curb for 20" Diameter Vent
Model No: SRC-20-H12-Ins
Fits Vent Size: 20"
Opening: 12"
Height 12"
L & W: 23"
Price:Regular price $202.00 USD
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Insulated Square Roof Curb for 20" Diameter Vent
Insulated Square Roof Curb for 20" Diameter Vent
Model No: SRC-20-H18-Ins
Fits Vent Size: 20"
Opening: 12"
Height 18"
L & W: 23"
Price:Regular price $306.00 USD
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Insulated Square Roof Curb for 24" Diameter Vent
Insulated Square Roof Curb for 24" Diameter Vent
Model No: SRC-24-H6-Ins
Fits Vent Size: 24"
Opening: 12"
Height 6"
L & W: 27"
Price:Regular price $156.00 USD
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Insulated Square Roof Curb for 24" Diameter Vent
Insulated Square Roof Curb for 24" Diameter Vent
Model No: SRC-24-H8-Ins
Fits Vent Size: 24"
Opening: 12"
Height 8"
L & W: 27"
Price:Regular price $195.00 USD
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Insulated Square Roof Curb for 24" Diameter Vent
Insulated Square Roof Curb for 24" Diameter Vent
Model No: SRC-24-H12-Ins
Fits Vent Size: 24"
Opening: 12"
Height 12"
L & W: 27"
Price:Regular price $254.00 USD
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Insulated Square Roof Curb for 24" Diameter Vent
Insulated Square Roof Curb for 24" Diameter Vent
Model No: SRC-24-H18-Ins
Fits Vent Size: 24"
Opening: 12"
Height 18"
L & W: 27"
Price:Regular price $345.00 USD
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Insulated Square Roof Curb for 30" Diameter Vent
Insulated Square Roof Curb for 30" Diameter Vent
Model No: SRC-30-H8-Ins
Fits Vent Size: 30"
Opening: 12"
Height 8"
L & W: 33"
Price:Regular price $234.00 USD
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Insulated Square Roof Curb for 30" Diameter Vent
Insulated Square Roof Curb for 30" Diameter Vent
Model No: SRC-30-H12-Ins
Fits Vent Size: 30"
Opening: 12"
Height 12"
L & W: 33"
Price:Regular price $306.00 USD
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Insulated Square Roof Curb for 30" Diameter Vent
Insulated Square Roof Curb for 30" Diameter Vent
Model No: SRC-30-H18-Ins
Fits Vent Size: 30"
Opening: 12"
Height 18"
L & W: 33"
Price:Regular price $390.00 USD
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Insulated Square Roof Curb for 36" Diameter Vent
Insulated Square Roof Curb for 36" Diameter Vent
Model No: SRC-36-H8-Ins
Fits Vent Size: 36"
Opening: 12"
Height 8"
L & W: 39"
Price:Regular price $273.00 USD
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Insulated Square Roof Curb for 36" Diameter Vent
Insulated Square Roof Curb for 36" Diameter Vent
Model No: SRC-36-H12-Ins
Fits Vent Size: 36"
Opening: 12"
Height 12"
L & W: 39"
Price:Regular price $371.00 USD
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Insulated Square Roof Curb for 36" Diameter Vent
Insulated Square Roof Curb for 36" Diameter Vent
Model No: SRC-36-H18-Ins
Fits Vent Size: 36"
Opening: 12"
Height 18"
L & W: 39"
Price:Regular price $488.00 USD
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Insulated Square Roof Curb for 42" Diameter Vent
Insulated Square Roof Curb for 42" Diameter Vent
Model No: SRC-42-H12-Ins
Fits Vent Size: 42"
Opening: 12"
Height 12"
L & W: 45"
Price:Regular price $488.00 USD
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Insulated Square Roof Curb for 42" Diameter Vent
Insulated Square Roof Curb for 42" Diameter Vent
Model No: SRC-42-H18-Ins
Fits Vent Size: 42"
Opening: 12"
Height 18"
L & W: 45"
Price:Regular price $585.00 USD
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Insulated Square Roof Curb for 42" Diameter Vent
Insulated Square Roof Curb for 42" Diameter Vent
Model No: SRC-42-H8-Ins
Fits Vent Size: 42"
Opening: 12"
Height 8"
L & W: 45"
Price:Regular price $322.00 USD
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Insulated Square Roof Curb for 48" Diameter Vent
Insulated Square Roof Curb for 48" Diameter Vent
Model No: SRC-48-H12-Ins
Fits Vent Size: 48"
Opening: 12"
Height 12"
L & W: 51"
Price:Regular price $585.00 USD
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Insulated Square Roof Curb for 48" Diameter Vent
Insulated Square Roof Curb for 48" Diameter Vent
Model No: SRC-48-H18-Ins
Fits Vent Size: 48"
Opening: 12"
Height 18"
L & W: 51"
Price:Regular price $683.00 USD
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Insulated Square Roof Curb for 48" Diameter Vent
Insulated Square Roof Curb for 48" Diameter Vent
Model No: SRC-48-H8-Ins
Fits Vent Size: 48"
Opening: 12"
Height 8"
L & W: 51"
Price:Regular price $390.00 USD
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