Shop insulating rectangular ductwork

Sponsored
About our ads
$38.88
US Energy Products R-8 HVAC Duct Wrap Insulation Reflective Double Sided Foam Core (Class 1-A ASTM FIRE Rated) (AD5 1/4INCH Thick) 2ft X 20ft (40SQFT)
Amazon.com
Free shipping
$38.88
US Energy Products R-8 HVAC Duct Wrap Insulation Reflective Double Sided Foam Core (Class 1-A ASTM FIRE Rated) (AD5 1/4INCH Thick) 2ft X 20ft (40SQFT)
Amazon.com
$9.05
K-Flex 6RXL038138 1-3/8" Pipe (O.D.) X 3/8" Wall Insul-Lock Pipe Insulation, 6' | Supplyhouse.Com
SupplyHouse.com
$9.05
K-Flex 6RXL038138 1-3/8" Pipe (O.D.) X 3/8" Wall Insul-Lock Pipe Insulation, 6' | Supplyhouse.Com
SupplyHouse.com
$30.96
3m Aluminum Foil Tape 3340, 2.5" X 50 Yd, 4.0 Mil, Silver, HVAC, Sealing And Patching Hot And Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal
Amazon.com
$30.96
3m Aluminum Foil Tape 3340, 2.5" X 50 Yd, 4.0 Mil, Silver, HVAC, Sealing And Patching Hot And Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal
Amazon.com
$24.99
$35.99
Lockport Aluminum Foil Tape 2" X225 ft - 3 Pack - Aluminum HVAC Tape - HVAC Duct Sealing, Dryer Vent, Heat Insulation & Ductwork Repairs - Heat
Amazon.com
30% off
$24.99
$35.99
Lockport Aluminum Foil Tape 2" X225 ft - 3 Pack - Aluminum HVAC Tape - HVAC Duct Sealing, Dryer Vent, Heat Insulation & Ductwork Repairs - Heat
Amazon.com
$326.49
Thermaflex M-KC 7" X 25' Class I Insulated Flexible Air Duct 051807000003
WebstaurantStore
$326.49
Thermaflex M-KC 7" X 25' Class I Insulated Flexible Air Duct 051807000003
WebstaurantStore
$19.99
Heavy Duty Aluminum Foil Tape Waterproof Glass Fiber Insulation Heat Resistant For Ductwork HVAC Sealing - 1 Roll - 0.79" X 164.1 Ft(54.7 Yd)
Bed Bath & Beyond
$19.99
Heavy Duty Aluminum Foil Tape Waterproof Glass Fiber Insulation Heat Resistant For Ductwork HVAC Sealing - 1 Roll - 0.79" X 164.1 Ft(54.7 Yd)
Bed Bath & Beyond
$76.73
Armacell APS34043 Armaflex Black Elastomeric Foam Sheet Insulation 3/4 in THK 48 in L
Voomi Supply
$76.73
Armacell APS34043 Armaflex Black Elastomeric Foam Sheet Insulation 3/4 in THK 48 in L
Voomi Supply
$1,064.99
Ductmate Duct Liner: 8 R-Value, Foil Scrim Kraft, Polyester, 48 in Wd, 50 ft Lg, 2 in Thick, Silver Model: PA48F2W50
Grainger
$1,064.99
Ductmate Duct Liner: 8 R-Value, Foil Scrim Kraft, Polyester, 48 in Wd, 50 ft Lg, 2 in Thick, Silver Model: PA48F2W50
Grainger
$129.99
Alpine AG-S8FLX16 R-8.0 Insulation, Metalized Flexible Ducting 16
Alpine Home Air Products
$129.99
Alpine AG-S8FLX16 R-8.0 Insulation, Metalized Flexible Ducting 16
Alpine Home Air Products
$53.16
Quietflex 620 Flex Duct 6" X 25' R4.2 Insulation | Skip The Warehouse
Skip The Warehouse
$53.16
Quietflex 620 Flex Duct 6" X 25' R4.2 Insulation | Skip The Warehouse
Skip The Warehouse
$2.95
$7.95
Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4 in. X 6 ft. | TC118BSM
Sprinkler Warehouse
62% off
$2.95
$7.95
Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4 in. X 6 ft. | TC118BSM
Sprinkler Warehouse
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
$38.99
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006) | Quill
Quill
$38.99
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006) | Quill
Quill
$27.98
Frost King FV516 Duct Insulation & Tape, 1 1/8" X 15 Ft, White, Foot
Amazon.com
$27.98
Frost King FV516 Duct Insulation & Tape, 1 1/8" X 15 Ft, White, Foot
Amazon.com
$247.99
ARMACELL 2-5/8" Id X 1-1/2" Armaflex Pipe Insul. 18/Ctn, APT25815
Zoro.com
$247.99
ARMACELL 2-5/8" Id X 1-1/2" Armaflex Pipe Insul. 18/Ctn, APT25815
Zoro.com
$189.99
Quickcoat Closed Cell Spray Foam Insulation Kit For Wall-12X32.8Oz(930G) Covers 240 Board Ft-DIY Expanding Sealant Set, Insulates Heat&Sound, Fills
Amazon.com
Free shipping
$189.99
Quickcoat Closed Cell Spray Foam Insulation Kit For Wall-12X32.8Oz(930G) Covers 240 Board Ft-DIY Expanding Sealant Set, Insulates Heat&Sound, Fills
Amazon.com
$34.99
VEVOR Double Reflective Insulation Roll Foam Core Radiant Barrier 3.2 mm 48 in X 10 ft Double-Sided Aluminum Foil Epe Foam Heat Reflective Shield
VEVOR
$34.99
VEVOR Double Reflective Insulation Roll Foam Core Radiant Barrier 3.2 mm 48 in X 10 ft Double-Sided Aluminum Foil Epe Foam Heat Reflective Shield
VEVOR
$35.51
Double Reflective Bubble Foil Insulation Foam, Aluminum Foil Bubble Insulation Sheet, Reflective Heat Barrier For Window Garage Door RV Roof, Cut To
Amazon.com
$35.51
Double Reflective Bubble Foil Insulation Foam, Aluminum Foil Bubble Insulation Sheet, Reflective Heat Barrier For Window Garage Door RV Roof, Cut To
Amazon.com
$5.64
Insulation, 16" X 47.5" T-Rap Return Air Insulation
Skip The Warehouse
$5.64
Insulation, 16" X 47.5" T-Rap Return Air Insulation
Skip The Warehouse
$50.99
Heavy Duty Aluminum Foil Tape Waterproof Glass Fiber Insulation Heat Resistant For Ductwork HVAC Sealing - 1 Roll - 7.87" X 65.6 Ft(21.8 Yd)
Bed Bath & Beyond
$50.99
Heavy Duty Aluminum Foil Tape Waterproof Glass Fiber Insulation Heat Resistant For Ductwork HVAC Sealing - 1 Roll - 7.87" X 65.6 Ft(21.8 Yd)
Bed Bath & Beyond
$60.90
VEVOR Double Reflective Insulation Sheet 16PCS Double-Sided Aluminum Foil Radiant Barrier 6mm 24 in X 4 ft Dual-Layer Air Bubble Heat Reflective
VEVOR
$60.90
VEVOR Double Reflective Insulation Sheet 16PCS Double-Sided Aluminum Foil Radiant Barrier 6mm 24 in X 4 ft Dual-Layer Air Bubble Heat Reflective
VEVOR
$172.92
Hart & Cooley | F216-18X25 | Flexible Duct R6.0 Insulated Polyester 18"X25' Silver
Midwest Supply
$172.92
Hart & Cooley | F216-18X25 | Flexible Duct R6.0 Insulated Polyester 18"X25' Silver
Midwest Supply
$96.99
2 Pack Buck Aluminum Foil Tape - 3 Inch X 216ft (72 Yd), 3.6 Mil - HVAC Tape For Ductwork, AC, Dryer Vents & Insulation - Silver Foil Tape For Metal
Amazon.com
Free shipping
$96.99
2 Pack Buck Aluminum Foil Tape - 3 Inch X 216ft (72 Yd), 3.6 Mil - HVAC Tape For Ductwork, AC, Dryer Vents & Insulation - Silver Foil Tape For Metal
Amazon.com
How to Insulate Ductwork | Ask This Old House
10:00
YouTubeThis Old House
How to Insulate Ductwork | Ask This Old House
Richard Trethewey helps a homeowner insulate his ductwork. (See below for a shopping list, tools, and steps.) SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Shopping List for How to Insulate Ductwork: Foil tape [https://amzn.to/2kWBZ1s], for sealing ducts Duct mastic [https://amzn.to/2mXAeSg], used to seal duct joints Foil ...
910.1K viewsFeb 19, 2016
Shorts
Fiberglass Duct Wrap Insulating Rectangular and Round Ductwork
0:27
3.5K views
Fiberglass Duct Wrap Insulating Rectangular and Round Ductwork
Conklin Metal Industries
Essential Insulation Tips: Repairing Duct Work & Sealing Gaps for Efficiency
0:24
6 views
Essential Insulation Tips: Repairing Duct Work & Sealing Gaps for Efficiency
Juan Casas
Insulating Ductwork Tips
Maximize Your Home's Energy Efficiency: Insulation & Duct Work Tips!
0:36
Maximize Your Home's Energy Efficiency: Insulation & Duct Work Tips!
YouTubeTLS Insulation
944 views5 months ago
How & Why You Should Insulate Your Ductwork
30:25
How & Why You Should Insulate Your Ductwork
YouTubeAll Things Post-Frame
1.5K viewsApr 5, 2025
HVAC EXPERT Shares 5 Tips on DUCT Insulation!
7:28
HVAC EXPERT Shares 5 Tips on DUCT Insulation!
YouTubeHVAC Guide for Homeowners
102.2K viewsJul 26, 2022
Top videos
How to Install Kooltherm and Therma Duct Insulation to Rectangular Ductwork
2:12
How to Install Kooltherm and Therma Duct Insulation to Rectangular Ductwork
YouTubeKingspan Technical Insulation
1.8K viewsSep 2, 2020
Thermal insulation of rectangular duct with PAROC Hvac Lamella Mat AluCoat
1:11
Thermal insulation of rectangular duct with PAROC Hvac Lamella Mat AluCoat
YouTubePAROC
19.1K viewsApr 9, 2019
Thermal insulation of rectangular duct with PAROC Hvac Slab AluCoat
0:55
Thermal insulation of rectangular duct with PAROC Hvac Slab AluCoat
YouTubePAROC
8.3K viewsApr 9, 2019
DIY Duct Insulation
Low-E Insulation Duct Work Installation Video
1:34
Low-E Insulation Duct Work Installation Video
YouTubeLow-E Insulation
27K viewsApr 27, 2017
Installing Flexible Duct - Insulated Duct - DIY
2:34
Installing Flexible Duct - Insulated Duct - DIY
YouTubeCorey Binford
492.1K viewsOct 25, 2011
How To Insulate Ductwork.
7:06
How To Insulate Ductwork.
YouTubeHVAC Service & Install
11.9K viewsFeb 13, 2019
How to Install Kooltherm and Therma Duct Insulation to Rectangular Ductwork
2:12
How to Install Kooltherm and Therma Duct Insulation to Rectangular Ductwork
1.8K viewsSep 2, 2020
YouTubeKingspan Technical Insulation
Thermal insulation of rectangular duct with PAROC Hvac Lamella Mat AluCoat
1:11
Thermal insulation of rectangular duct with PAROC Hvac Lamella Mat AluCoat
19.1K viewsApr 9, 2019
YouTubePAROC
Thermal insulation of rectangular duct with PAROC Hvac Slab AluCoat
0:55
Thermal insulation of rectangular duct with PAROC Hvac Slab AluCoat
8.3K viewsApr 9, 2019
YouTubePAROC
How To Insulate Ductwork.
7:06
How To Insulate Ductwork.
11.9K viewsFeb 13, 2019
YouTubeHVAC Service & Install
Thermal insulation of rectangular duct with PAROC wired mat
1:02
Thermal insulation of rectangular duct with PAROC wired mat
4.8K viewsApr 9, 2019
YouTubePAROC
Insulating Duct
2:28
Find in video from 00:16Insulating Duct Work
Insulating Duct
42.6K viewsNov 14, 2017
YouTubeStandard Air, Plumbing & Insulation
HVAC Ducts - DIY Installer
2:49
HVAC Ducts - DIY Installer
6.1K viewsOct 28, 2022
YouTubeReflectix Insulation
1:56
ArmaFlex® Sheet - Rectangular ducts Application Video
10.3K viewsApr 3, 2014
YouTubeArmacell
7:28
HVAC EXPERT Shares 5 Tips on DUCT Insulation!
102.2K viewsJul 26, 2022
YouTubeHVAC Guide for Homeowners
2:40
HVAC Ducts - Pro Installer
38K viewsAug 2, 2022
YouTubeReflectix Insulation
3:38
Find in video from 01:04Importance of Insulation
How to Insulate behind Ductwork with Reflectix Foil Insulation
124.9K viewsFeb 10, 2012
YouTubeCorey Binford
37:47
Find in video from 21:03Introduction to Rectangular Duct
Internally insulating duct with Armaflex duct liner - round & rectang…
23.7K viewsMar 24, 2023
YouTubeAGL Mechanical Tips
6:54
Find in video from 04:25Insulation the Bottom
United Power: Insulate Supply Ducts: Part 2
102.5K viewsNov 13, 2009
YouTubeUnitedPowerCoop
30:25
How & Why You Should Insulate Your Ductwork
1.5K viewsApr 5, 2025
YouTubeAll Things Post-Frame
0:27
Fiberglass Duct Wrap Insulating Rectangular and Round Ductwork
3.5K views9 months ago
YouTubeConklin Metal Industries
3:43
Find in video from 01:53How to Leave a Gap Between Insulation and Duct Work
Insulating Your Ducts
25.7K viewsNov 18, 2023
YouTubeanalogkidt4e
0:56
Insulated Outdoor Ductwork Installation - Thermaduct Pre-Insulated Exterior Duct System
1.1K viewsJul 11, 2023
YouTubeThermaduct
18:55
Find in video from 07:03Floor Pouring and Insulation
Trunk Duct - Insulating and Installing
166K viewsDec 27, 2015
YouTubeComfortPlus Heating and Cooling
10:30
Ducting Insulation Work || How To Insulation Duct....
126.2K viewsFeb 4, 2023
YouTubealtafrdx8
7:59
Find in video from 06:00Using Rolled Duct Insulation
United Power: Insulate Transition Ducts: Part 3
39.3K viewsNov 13, 2009
YouTubeUnitedPowerCoop
2:17
ISOVER U Protect Rectangular Duct Fire Protection
10.2K viewsJan 15, 2015
YouTubeISOVER Technical Insulation
9:42
Find in video from 02:00Using Duct Tape for Insulation
DUCTWORK INSULATION HACKS Every Homeowner Needs to Know
259.7K viewsFeb 4, 2010
YouTubeTheHandymanToolbox
1:04
Outdoor Ductwork - Thermaduct Pre-Insulated Exterior Duct System
3.7K viewsMar 12, 2021
YouTubeThermaduct
1:34
Find in video from 00:44Installing the Insulation
Low-E Insulation Duct Work Installation Video
27K viewsApr 27, 2017
YouTubeLow-E Insulation
9:13
Types Of Duct Insulation Materials
22.3K viewsJul 30, 2022
YouTubeBuy Insulation Online
4:13
United Power: Insulate Ductwork: Part 1
107.1K viewsNov 13, 2009
YouTubeUnitedPowerCoop
7:01
Find in video from 03:13Insulation and Crimping
Teaching The Apprentice How To Install Rectangle Ductwork | HVAC In…
95.9K viewsJun 9, 2022
YouTubeQuality HVACR
9:39
Installing a Rectangle to Round Transition into an Existing Metal Duct
37.9K viewsOct 23, 2020
YouTubeHVAC School
7:16
Cutting & Installing a Rectangle Duct Connection
60.4K viewsMay 12, 2020
YouTubeHVAC School
See more
Static thumbnail place holder

Shop insulating rectangular ductwork

Sponsored
About our ads
$38.88
US Energy Products R-8 HVAC Duct Wrap Insulation Reflective Double Sided Foam Core (Class 1-A ASTM FIRE Rated) (AD5 1/4INCH Thick) 2ft X 20ft (40SQFT)
Amazon.com
Free shipping
$38.88
US Energy Products R-8 HVAC Duct Wrap Insulation Reflective Double Sided Foam Core (Class 1-A ASTM FIRE Rated) (AD5 1/4INCH Thick) 2ft X 20ft (40SQFT)
Amazon.com
$9.05
K-Flex 6RXL038138 1-3/8" Pipe (O.D.) X 3/8" Wall Insul-Lock Pipe Insulation, 6' | Supplyhouse.Com
SupplyHouse.com
$9.05
K-Flex 6RXL038138 1-3/8" Pipe (O.D.) X 3/8" Wall Insul-Lock Pipe Insulation, 6' | Supplyhouse.Com
SupplyHouse.com
$30.96
3m Aluminum Foil Tape 3340, 2.5" X 50 Yd, 4.0 Mil, Silver, HVAC, Sealing And Patching Hot And Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal
Amazon.com
$30.96
3m Aluminum Foil Tape 3340, 2.5" X 50 Yd, 4.0 Mil, Silver, HVAC, Sealing And Patching Hot And Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal
Amazon.com
$24.99
$35.99
Lockport Aluminum Foil Tape 2" X225 ft - 3 Pack - Aluminum HVAC Tape - HVAC Duct Sealing, Dryer Vent, Heat Insulation & Ductwork Repairs - Heat
Amazon.com
30% off
$24.99
$35.99
Lockport Aluminum Foil Tape 2" X225 ft - 3 Pack - Aluminum HVAC Tape - HVAC Duct Sealing, Dryer Vent, Heat Insulation & Ductwork Repairs - Heat
Amazon.com
$326.49
Thermaflex M-KC 7" X 25' Class I Insulated Flexible Air Duct 051807000003
WebstaurantStore
$326.49
Thermaflex M-KC 7" X 25' Class I Insulated Flexible Air Duct 051807000003
WebstaurantStore
$19.99
Heavy Duty Aluminum Foil Tape Waterproof Glass Fiber Insulation Heat Resistant For Ductwork HVAC Sealing - 1 Roll - 0.79" X 164.1 Ft(54.7 Yd)
Bed Bath & Beyond
$19.99
Heavy Duty Aluminum Foil Tape Waterproof Glass Fiber Insulation Heat Resistant For Ductwork HVAC Sealing - 1 Roll - 0.79" X 164.1 Ft(54.7 Yd)
Bed Bath & Beyond
$76.73
Armacell APS34043 Armaflex Black Elastomeric Foam Sheet Insulation 3/4 in THK 48 in L
Voomi Supply
$76.73
Armacell APS34043 Armaflex Black Elastomeric Foam Sheet Insulation 3/4 in THK 48 in L
Voomi Supply
$1,064.99
Ductmate Duct Liner: 8 R-Value, Foil Scrim Kraft, Polyester, 48 in Wd, 50 ft Lg, 2 in Thick, Silver Model: PA48F2W50
Grainger
$1,064.99
Ductmate Duct Liner: 8 R-Value, Foil Scrim Kraft, Polyester, 48 in Wd, 50 ft Lg, 2 in Thick, Silver Model: PA48F2W50
Grainger
$129.99
Alpine AG-S8FLX16 R-8.0 Insulation, Metalized Flexible Ducting 16
Alpine Home Air Products
$129.99
Alpine AG-S8FLX16 R-8.0 Insulation, Metalized Flexible Ducting 16
Alpine Home Air Products
$53.16
Quietflex 620 Flex Duct 6" X 25' R4.2 Insulation | Skip The Warehouse
Skip The Warehouse
$53.16
Quietflex 620 Flex Duct 6" X 25' R4.2 Insulation | Skip The Warehouse
Skip The Warehouse
$2.95
$7.95
Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4 in. X 6 ft. | TC118BSM
Sprinkler Warehouse
62% off
$2.95
$7.95
Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4 in. X 6 ft. | TC118BSM
Sprinkler Warehouse
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
$38.99
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006) | Quill
Quill
$38.99
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006) | Quill
Quill
$27.98
Frost King FV516 Duct Insulation & Tape, 1 1/8" X 15 Ft, White, Foot
Amazon.com
$27.98
Frost King FV516 Duct Insulation & Tape, 1 1/8" X 15 Ft, White, Foot
Amazon.com