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    47 Products
    About Selecting Thermal Insulation
    industrial info icon

    Compare R-value and temperature range to find the insulation material that best suits your application.

    Rigid Fiberglass Insulation Sheets for Ducts

    Image of Product. Front orientation. Insulation Sheets. Rigid Fiberglass Insulation Sheets for Ducts, Foil Facing.
    Image of Product. Front orientation. Insulation Sheets. Rigid Fiberglass Insulation Sheets for Ducts, Kraft Paper Facing.

    Foil Facing

    Kraft Paper Facing

    Insulate rectangular ductwork.
    Foil Facing—Sheets with foil facing reflect heat. The foil facing is also known as foil scrim kraft (FSK). Seal with reinforced HVAC tape (sold separately).
    Kraft Paper Facing—To seal sheets with kraft paper facing, use reinforced insulation tape (sold separately).
    Facing
    Foil Facing
    Kraft
    Paper Facing
    Thk.
    Wd.
    Lg.,
    ft.
    Insulation
    R Value
    Flexibility
    Temp. Range,
    ° F
    Heat Flow Rate
    @ Temp.
    Color
    Flammability Rating
    Temperature,
    ° F
    Color
    Each
    Each
    3 lb/ft³ Density
    1"24"44.3Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150Silver9350K1000000———0
    1"24"44.3Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150White———09350K4000000
    1 1/2"24"46.5Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150Silver9350K200000———0
    1 1/2"24"46.5Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150White———09350K500000
    2"24"48.7Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150Silver9350K300000———0
    2"24"48.7Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150White———09350K600000
     
    6 lb/ft³ Density
    1"24"44.3Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150Silver9351K100000———0
    1 1/2"24"46.5Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150Silver9351K200000———0
    1 1/2"24"46.5Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150White———09351K500000
    2"24"48.7Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150Silver9351K300000———0
    2"24"48.7Rigid0 to 4500.23 BTU/hr @ 75° FYellowASTM E84 25/50 for Flame and Smoke
    		0 to 150White———09351K600000
     
    Tape
    Each
    Reinforced HVAC Tape With Paper Liner and Foil Facing76145A19000000
    Reinforced Insulation Tape76755A6700000

    Flexible Fiberglass Insulation Sheets for Ducts

    Wrap rectangular and round ductwork with this flexible insulation.
    Foil Facing
    Image of Product. Front orientation. Insulation Sheets. Flexible Fiberglass Insulation Sheets for Ducts, Foil Facing.
    Sheets with foil facing reflect heat. The foil facing is also known as foil scrim kraft (FSK).
    10 ft. × 48"
    50 ft. × 48"
    75 ft. × 48"
    100 ft. × 48"
    Thk.
    Insulation
    R Value
    Flexibility
    Temp. Range,
    ° F
    Heat Flow Rate
    @ Temp.
    Density,
    lb/ft³
    Color
    Facing
    Color
    Flammability Rating
    Each
    Each
    Each
    Each
    1 1/2"4.5Flexible0 to 2500.25 BTU/hr @ 75° F1BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K17000000———0———09160K180000000
    1 1/2"4.8Flexible0 to 2500.23 BTU/hr @ 75° F1.5BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K2200000———09160K230000000———0
    1 1/2"5Flexible0 to 2500.26 BTU/hr @ 75° F0.75BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K400000———0———09160K2000000
    2"5.6Flexible0 to 2500.27 BTU/hr @ 75° F0.75BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K1100000———09160K13000000———0
    2"6Flexible0 to 2500.25 BTU/hr @ 75° F1BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K1900000———09160K21000000———0
    2"6.4Flexible0 to 2500.23 BTU/hr @ 75° F1.5BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K240000009160K250000000———0———0
    2 3/16"6Flexible0 to 2500.27 BTU/hr @ 75° F0.75BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K1500000———09160K16000000———0
    3"8.4Flexible0 to 2500.27 BTU/hr @ 75° F0.75BrownSilverASTM E84 25/50 for Flame and Smoke
    		9160K12000009160K14000000———0———0
    Tape
    Seal with reinforced HVAC tape.
    Each
    Reinforced HVAC Tape With Paper Liner and Foil Facing76145A19000000
    Vinyl Plastic Facing
    Image of Product. Front orientation. Insulation Sheets. Flexible Fiberglass Insulation Sheets for Ducts, Vinyl Plastic Facing.
    Sheets with vinyl plastic facing are tear resistant.
    10 ft. × 48"
    100 ft. × 48"
    Thk.
    Insulation
    R Value
    Flexibility
    Heat Flow Rate
    @ Temp.
    Density,
    lb/ft³
    Color
    Facing
    Color
    Each
    Each
    2"7.7Flexible0.26 BTU/hr @ 75° F0.95YellowWhite9330K820000009330K620000000
    Tape
    Seal with reinforced HVAC tape.
    Each
    Reinforced HVAC Tape With Paper Liner and Foil Facing76145A19000000

    Flame-Resistant Flexible Synthetic Fiber Insulation Sheets for Ducts

    Image of Product. Front orientation. Insulation Sheets. Flame-Resistant Flexible Synthetic Fiber Insulation Sheets for Ducts.
    Also known as fire wrap, these flame-resistant sheets meet ASTM E84 0/0 for flame and smoke and create a fire barrier around rectangular and round ductwork. They are often used to wrap kitchen grease exhaust ducts and air ducts.
    25 ft. × 24"
    25 ft. × 48"
    Thk.
    Insulation
    R Value
    Flexibility
    Max. Temp.,
    ° F
    Heat Flow Rate
    @ Temp.
    Density,
    lb/ft³
    Color
    Facing
    Color
    Flammability Rating
    Each
    Each
    1 1/2"6.3Flexible1,8301.93 BTU/hr @ 1,500° F6WhiteSilverASTM E84 0/0 for Flame and Smoke
    		2689N10100000002689N1020000000
    Tape
    Seal with reinforced HVAC tape.
    Each
    Reinforced HVAC Tape7620A11000000

    Heat-Reflecting Air Bubble Insulation Sheets for Ducts

    Image of System. Front orientation. Contains Annotated. Insulation Sheets. Heat-Reflecting Air Bubble Insulation Sheets for Ducts.
    Image of Product. Front orientation. Insulation Sheets. Heat-Reflecting Air Bubble Insulation Sheets for Ducts.
    Polyethylene—Typically used as duct wrap, these flexible sheets consist of polyethylene bubbles covered with aluminized polyester fabric that prevent 96% of heat from radiating into or away from duct. Use on rectangular and round ductwork.
    25 ft. Long
    50 ft. Long
    75 ft. Long
    100 ft. Long
    Wd.
    Insulation
    R Value
    Flexibility
    Temp. Range,
    ° F
    Heat Flow
    Rate @ Temp.
    Color
    Flammability Rating
    Material
    Facing Material
    Each
    Each
    Each
    Each
    5/16" Thick
    24"4.2Flexible-60 to 180Not RatedSilverASTM E84 20/30 for Flame and Smoke
    		PolyethyleneAluminized Polyester Fabric9367K330000009367K340000009367K440000009367K540000000
    36"4.2Flexible-60 to 180Not RatedSilverASTM E84 20/30 for Flame and Smoke
    		PolyethyleneAluminized Polyester Fabric9367K65000009367K660000009367K760000009367K86000000
    48"4.2Flexible-60 to 180Not RatedSilverASTM E84 20/30 for Flame and Smoke
    		PolyethyleneAluminized Polyester Fabric9367K21000009367K220000009367K230000009367K24000000
     
    Spacers
    Image of Product. Front orientation. Insulation Sheet Spacers. Heat-Reflecting Air Bubble Insulation Sheets for Ducts.
    Spacers installed between the duct and air bubble insulation sheet increase the R-value to 6. One spacer roll covers approximately 10 ft. of 8" duct.
    Thk.
    Wd.
    Lg.,
    ft.
    Each
    5/16"2"259367K2500000
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