10 Best John Manville Fiberglass Insulation In The Us - Black Friday 2024

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Last Updated - November 23, 2024

Best Choice

1

Johns Manville

R19 Kraft Fiberglass Insulation, 6.5 x 15-In. x 39' 2" Roll

9.7

Exceptional

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Value for Money

2

Johns Manville

Johns Manville B242 R19 Kraft Faced Fiberglass, 75.07-Sq.-Ft. Coverage, 6.5 x 23-In. x 39' 2" Roll - Quantity 8

9.5

Excellent

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3

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

18% Off

9.9 Heat tolerance

9.7 Simple to use

9.5 lasts a long time

Why we love it

Affordable and high-quality insulation material.

Easy to cut and install on ducts.

Effectively reduces heat loss and condensation.
Main highlights

High Quality Insulation Material
Made from durable fiberglass with a foil scrim kraft jacket, meeting multiple ASTM and UL standards, ensuring robust performance and safety.

Ideal for HVAC Duct Wrapping
Perfect for insulating HVAC ducts, ceiling-mounted HEPA filters, and portable air conditioner hoses, reducing heat loss and condensation effectively.

Easy to Work With
Customers frequently praise its ease of use, noting that it cuts easily, fits well, and is simple to secure with tape, providing excellent insulation results.
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9.4

Excellent

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4

JOHNS MANVILLE
Duct Insulation, 1-1/2In x 24In x 48In
Main highlights

Price For: Each Material of Construction: Fiberglass Standards: ASTM C612, Type IA, ASTM C612 TypeIB, ASTM C553 Type III, HH-I-558C, HH-I-558B, ASTM E-84, NRC 1.36, MIL-I-24244C, UL723, NFPA255, ASTM C795, ASTM C1136 Item: Duct Insulation Length: 48" Type: Board Width: 24" Temp. Range: -32 to 450 F Unfaced Side, -32 to 150 F Faced Side Jacket Material: Foil Scrim Kraft Thickness: 1-1/2"
Density: 3 lbs. Approx. R Value: 6.5 Color: Silver Country of Origin (subject to change): United States
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9.3

Excellent

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5

JOHNS MANVILLE INTL
JOHNS MANVILLE INTL 990105 15" x 39' R-19 Kraft-Faced Roll x R, 1 piece
Main highlights

Item Weight: 14.41 lb
Item Dimensions: 31.0"L x 15.0"W x 15.0"H
Country of Origin: United States
Brand name: JOHNS MANVILLE INTL
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9.2

Excellent

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6

Johns Manville

Johns Manville U361 R38 Unfaced Fiberglass Batt Insulation, 42.66 Sq. Ft. Coverage, 13 x 16 x 48-in. - Quantity 4

9.1

Excellent

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7

VASERINK

VASERINK5 PACK Duct Insulation, 1In x 24In x 48In

8.9

Very Good

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8

PDTXCLS

Duct Insulation, 1" x 24" x 48"

8.8

Very Good

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9

Johns Manville
7/8" x 3 ft. Fiberglass Pipe Insulation 1/2" Wall
Main highlights

Price For: Each Temp. Range: 0 Degrees to 850 Degrees F Material: Fiberglass Length: 3 ft. Color: white Standards: ASTM C547 Type 1, ASTM C585, ASTM C1136, NRC 1.36, ASTM C795, Mil-I-24244C, MEA Compliant For Iron Pipe Size: 1/2" Insulation Type: Hinged with Self Sealing Lap Approx. K Value: 0.23 Item: Pipe Insulation Wall Thickness: 1/2" Approx. R Value: 2.2
Country of Origin (subject to change): United States
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8.6

Very Good

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10

Manson
Manson Fiberglass Pipe Insulation 1" x 1" - Pack of 10
Main highlights

R value = 7.4
Preformed thermal insulation for hot and cold service piping in cylindrical form with white all service self sealing ASJ jacket - Lot of 10 pcs
Made in USA
Insulation is 1" Thickness with white ASJ paper jacket
Fits 1" Iron Pipe Size (1.315" Outside Diameter)
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8.5

Good

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