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Duct Insulation, 1-1/2In x 48In x 25Ft

Based on 196 reviews
Condition: New
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$92.33

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Availability: Only 10 left in stock, order soon!
Fulfilled by VoyageSupply

Arrives Nov 15 – Nov 17
Order within 9 hours and 7 minutes

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At a glance

Condition
New
Dimensions
300"L x 48"W
Weight
14 lb
Item Thickness
1.5 in
Coverage
100 sq ft

Features 2

  • Price For: Each Material of Construction: Fiberglass Standards: ASTM C-411, ASTM C-1104, ASTM C665, ASTM C-1338, ASTM E-84, UL723, NFPA 90A, CAN/ULC S102-1188, ASTM C1290, ASTM C553, ASTM C1136s Item: Duct Insulation Thickness: 1-1/2" Color: Silver Jacket Material: Foil Scrim Kraft Type: Wrap Width: 48" Temp. Range: -32 to 250 F Density: 3/4 lbs. Approx. R Value: 4.2
  • Length: 25' Country of Origin (subject to change): United States

Description

Duct Insulation Wrap Temp. range: -32° to 250°F 48"W x 25"LFor HVAC systems that operate below ambient temperatures, and where temperature control and a vapor barrier are required. Insulation comes with a vapor barrier and a 2" stapling tab.Meets ASTM C-411, C-1104, C665, C-1338, E-84; NFPA 90A; UL, C-UL Listed.Fiberglass and Cotton Duct InsulationFor use in commercial and industrial heating, air conditioning, and power and process equipment applications. Item: Duct Insulation Type: Wrap Duct Insulation Material: Fiberglass Density: 3/4 lbs. Duct Insulation Width: 48" Duct Insulation Item: Duct Insulation Duct Insulation Length: 25 ft. Jacket Material: Foil Scrim Kraft Duct Insulation Color: Silver Thickness: 1-1/2" Approx. R Value: 4.2 Temp. Range: -32 to 250 F Standards: ASTM C-411,ASTM C-1104,ASTM C665, ASTM C-1338, ASTM E-84, UL723, NFPA 90A,CAN/ULC S102-1188,ASTM C1290, ASTM C553, ASTM C1136s

Specs 14

Brand JOHNS MANVILLE INTL
Item Thickness 1.5 inches
Recommended Uses For Product Thermal Insulation
Product Dimensions 300"L x 48"W
Number of Packs 1
Brand Name JOHNS MANVILLE INTL
Manufacturer CAI - JOHNS MANVILLE
Number of Items 1

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Nov 15 – Nov 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


Duct insulation
Easy to work with proper R value for ducts.. Good quality..
Reviewed in the United States on July 16, 2026 by Lonewolf

Used to Re-insulate 15ft of 9" diameter air duct in attic space. Successful
Seemed like great deal. Used to repair duct work. Came in large box, Wide roll. 3M venture tape went over it and stuck to it well. Easy to cut with fresh razor blade. I would buy this again if the seller can't maintain this competitive price. Otherwise I will have to return to buying it local. Convenient to have Amazon deliver it at this competitive price. ... show more
Reviewed in the United States on October 31, 2025 by Apostle007

Well made and customer support is great
Well made and will save me money in the long run, can't say install is easy but that's no fault of the insulation, will definitely buy more as I'm upgrading my home
Reviewed in the United States on March 28, 2026 by Robert Cripe

Easy to work with, fantastic if R rating is correct
Very easy to work with, no concerns just seems less extreme than the pink insulation
Reviewed in the United States on January 30, 2026 by Hayden O.

Warmer heat
Used this to wrap my duct work in my cold basement I have a electric warm air system, it made the air 10 degrees warmer out of my vents
Reviewed in the United States on March 15, 2026 by Vincent

Good Buy
Product came well packaged with no damage. I used it to wrap the exposed ductwork branches from main trunk. The heat discharge temp at the registers has increased by about ten degrees. It is very easy to measure and cut and tape. Wear safety glasses and dust mask if working overhead especially as there is some fiber that that gets loosened when you work with it. ... show more
Reviewed in the United States on November 19, 2025 by diptych

Wonderful for Insulating the Hose on Whynter Portable Air Conditioner
Wonderful for Insulating the Hose on Whynter Portable Air Conditioner - man, what a HUGE difference! I was wondering why I was feeling heat when I had the A/C on and it was definitely blowing cold air. I went to check the unit and felt heat coming from somewhere. It was the coming through the walls of the exhaust hose. Grrrrr. This insulation wrapped around the hose and secured with metal heat tape does an incredible job of blocking the heat. ... show more
Reviewed in the United States on November 11, 2019 by BestDayofMyLife

Quality duct insulation!!
Quality insulation!!
Reviewed in the United States on December 25, 2025 by Amazon Customer
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