Insulated Roof Curbs - 6 inch Tall

Roof Curb
Prefabricated Roof Curb

AVP manufactures Insulated Roof Curbs with Foil Faced Board Insulation

The insulated 6 inch tall roof curbs are for EPDM, PVC and TPO roofs. The insulation improves energy efficiency and provides both a water and air barrier.

AVP uses Johns Manville’s Foil Faced Polyisocyanurate Board Insulation. This provides a smooth surface resistant to absorption. As a result, adding any extra layer of protection. As moisture laden air moves through the roof curb to the vent or exhaust fan, there’s no loose insulation to absorb moisture. Instead, the moisture will pass through the insulated roof curb and vent directly outside.

The Johns Manville insulation is double foiled to stop the build up of moisture. Instead, the foil repels water to prevent possible mold from forming.


Outer Width

Inside Opening

Height
SizeInsulated Roof Curb
6"5"6"For a 3" Diameter Vent or FanComing Soon
7"6"6"For a 4" Diameter Vent or FanComing Soon
8"7"6"For a 5" Diameter Vent or FanComing Soon
9"8"6"For a 6" Diameter Vent or FanComing Soon
10"9"6"For a 7" Diameter Vent or FanComing Soon
11"10"6"For a 8" Diameter Vent or FanComing Soon
12"11"6"For a 9" Diameter Vent or FanComing Soon
13"12"6"For a 10" Diameter Vent or FanComing Soon
15"13"6"For a 12" Diameter Vent or FanRC-12-H6-Ins
17"15"6"For a 14" Diameter Vent or FanRC-14-H6-Ins
19"17"6"For a 16" Diameter Vent or FanRC-16-H6-Ins
21"19"6"For a 18" Diameter Vent or FanRC-18-H6-Ins
23"21"6"For a 20" Diameter Vent or FanRC-20-H6-Ins
27"25"6"For a 24" Diameter Vent or FanRC-24-H6-Ins

AVP uses 1” thick board with an R-6 value for the RC-12 to RC-48 models. Fiberglass insulation for 1” is around R-3 value. The ridged board provides double the amount of insulation value available per inch of thickness.

The models RC-3 to RC-10 use a ½” Johns Manville’s Foil Faced Polyiso Board Insulation. This ½” board provides an R-2.7 value.

Polyiso has the highest R-value per inch of any rigid board insulation. This insulation meets both CFC- and HCFC-free specification requirements.

AVP's curb mount flange vent lines are ready to install on the insulated roof curbs. This includes Aura Vent, Intake Pop Vents and Round Back Vents. AVP also manufactures Attic Fans and Aura Solar Fans with curb mount flanges.

Shop insulated roof curbs on AVP’s website: roofvents.com

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