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20 Best Insulation For Water Pipes (2023 Updated)

Insulation is used on water pipes to help prevent heat loss. This is important because heat loss can lead to lower water temperatures, which can be a problem in cold weather. Insulation also helps to reduce noise from the pipes.

20 Best Insulation For Water Pipes

Product Image Product Name Features Price

Frost King 3 in. x 25 ft. Foil Backed Fiberglass Pipe Wrap Insulation

  • Simple, effective way to insulate pipes of all diameters
  • Ideal for overwrapping electric heat cables used to prevent water pipe freezing

1-1/2" x 6 ft. Pipe Insulation, 3/4" Wall

  • Length: 6 ft
  • For Iron Pipe Size: 1 1/2 in
  • Insulation Nominal I.D.: 2 in

Frost King 2" x 15 ft. Foam and Foil Pipe Insulation Wrap, FV15H

  • 1-step installation
  • Can be used to insulate both hot and cold pipes
  • Dampens sound and vibration

Thermwell Products P11XB-6 Tube Pipe Insulation – 0.75 in x 6 ft.

  • Pre-slit polyethylene
  • Insulates to keep heat in
  • Prevents cold water pipes from sweating

Armacell – PR12118UATU0 – Tundra 1 in. S x 3 ft. L Polyethylene Foam Pipe Insulation

  • 1/2 in. X 3 ft / Size 1 in / 3/4 in

Thermwell P12X 4 Pack Foam Pipe Insulation – 3 ft.

  • 1″ X 3′

Duck Foam Pipe Cover – 12 ft

  • Duck Brand insulating foam pipe sticks are great for insulating both hot and cold pipes
  • Prevents winter freezing and summer sweating

K-Flex USA 1/2" Thick, Unslit NBR/PVC Pipe Insulation, 6 ft. Insulation Length 6RX048068

  • Insulation 1/2 In, Insulation Length 6 ft, Fits Pipe Size.
  • Pipe Insulation 1/2 In, Fits Tube Size 3/4 In, Insulation Nominal I.

K-Flex USA 1/2" Thick NBR/PVC Tee Pipe Fitting Insulation, 3.00 Approx. R Value, Black 801-T-048068

  • 3/4 Inch

Owens Corning Pipe Insulation,ID 3/4",Wall Thick 1" 722471

  • 3/4 in / 1 1/8 in / Size, 1 in

Johns Manville 690441 1/2" x 3 ft. Pipe Insulation, 1/2" Wall

  • Pipe Insulation Hinged with Self Sealing Lap, Wall Thickness.
  • Insulation 1/2 in, Insulation Length 3 ft, Fits Pipe Size.
  • R Value: 2.2Insulation Body Material: FiberglassFits Tube Size: 7/8 inFits Pipe Size.

Pipe Insulation,1.5 inch Wall Thick, Tan, Size: 10 722592

  • Pipe Insulation Hinged with Self Sealing Lap, Wall Thickness.
  • Insulation 1 1/2 in, Insulation Length 3 ft, Fits Pipe Size 10 in, Insulation Nominal I.

Owens Corning 722592 Pipe Insulation,1.5" Wall Thick, Tan

  • 10 in / Size, 1 1/2 in

1pack Aeroflex 520-AC23810 2 inch x 6 ft. Pipe Insulation, 1 inch Wall, Size: 1 in

  • 2 in X 6 ft

Tundra 3/4"x6' Pipe Insulation

  • Pipe Insulation Pre-Slit/Pre Glued, Wall Thickness.
  • Insulation 1/2 In, Insulation Length 6 ft, Fits Pipe Size.
  • Pipe Insulation 4 In, Insulation Nominal I.

K-Flex USA 6RXLO048200 – Pipe Insulation 6 ft. 1/2in. Wall Thick

  • 6ft. 1/2in

Armacell Pr12078uwtu0 Tundra Pipe Insulation, 3/4 in. x 6 ft.

  • 3/4 in. X 6 ft. L
Frost King 3 in. x 25 ft. Foil Backed Fiberglass Pipe Wrap Insulation
  • Simple, effective way to insulate pipes of all diameters
  • Ideal for overwrapping electric heat cables used to prevent water pipe freezing
1-1/2" x 6 ft. Pipe Insulation, 3/4" Wall
  • Length: 6 ft
  • For Iron Pipe Size: 1 1/2 in
  • Insulation Nominal I.D.: 2 in
Frost King 2" x 15 ft. Foam and Foil Pipe Insulation Wrap, FV15H
  • 1-step installation
  • Can be used to insulate both hot and cold pipes
  • Dampens sound and vibration
Thermwell Products P11XB-6 Tube Pipe Insulation – 0.75 in x 6 ft.
  • Pre-slit polyethylene
  • Insulates to keep heat in
  • Prevents cold water pipes from sweating
Armacell – PR12118UATU0 – Tundra 1 in. S x 3 ft. L Polyethylene Foam Pipe Insulation
  • 1/2 in. X 3 ft / Size 1 in / 3/4 in
Thermwell P12X 4 Pack Foam Pipe Insulation – 3 ft.
  • 1″ X 3′
Duck Foam Pipe Cover – 12 ft
  • Duck Brand insulating foam pipe sticks are great for insulating both hot and cold pipes
  • Prevents winter freezing and summer sweating
K-Flex USA 1/2" Thick, Unslit NBR/PVC Pipe Insulation, 6 ft. Insulation Length 6RX048068
  • Insulation 1/2 In, Insulation Length 6 ft, Fits Pipe Size.
  • Pipe Insulation 1/2 In, Fits Tube Size 3/4 In, Insulation Nominal I.
K-Flex USA 1/2" Thick NBR/PVC Tee Pipe Fitting Insulation, 3.00 Approx. R Value, Black 801-T-048068
  • 3/4 Inch
Owens Corning Pipe Insulation,ID 3/4",Wall Thick 1" 722471
  • 3/4 in / 1 1/8 in / Size, 1 in
Johns Manville 690441 1/2" x 3 ft. Pipe Insulation, 1/2" Wall
  • Pipe Insulation Hinged with Self Sealing Lap, Wall Thickness.
  • Insulation 1/2 in, Insulation Length 3 ft, Fits Pipe Size.
  • R Value: 2.2Insulation Body Material: FiberglassFits Tube Size: 7/8 inFits Pipe Size.
Pipe Insulation,1.5 inch Wall Thick, Tan, Size: 10 722592
  • Pipe Insulation Hinged with Self Sealing Lap, Wall Thickness.
  • Insulation 1 1/2 in, Insulation Length 3 ft, Fits Pipe Size 10 in, Insulation Nominal I.
Owens Corning 722592 Pipe Insulation,1.5" Wall Thick, Tan
  • 10 in / Size, 1 1/2 in
1pack Aeroflex 520-AC23810 2 inch x 6 ft. Pipe Insulation, 1 inch Wall, Size: 1 in
  • 2 in X 6 ft
Tundra 3/4"x6' Pipe Insulation
  • Pipe Insulation Pre-Slit/Pre Glued, Wall Thickness.
  • Insulation 1/2 In, Insulation Length 6 ft, Fits Pipe Size.
  • Pipe Insulation 4 In, Insulation Nominal I.
K-Flex USA 6RXLO048200 – Pipe Insulation 6 ft. 1/2in. Wall Thick
  • 6ft. 1/2in
Armacell Pr12078uwtu0 Tundra Pipe Insulation, 3/4 in. x 6 ft.
  • 3/4 in. X 6 ft. L

1. Frost King 3 in. x 25 ft. Foil Backed Fiberglass Pipe Wrap Insulation

Frost King 3 in. x 25 ft. Foil Backed Fiberglass Pipe Wrap Insulation

  • Simple, effective way to insulate pipes of all diameters
  • Ideal for overwrapping electric heat cables used to prevent water pipe freezing
  • Package dimensions value is 4″ h x 15″ l x 13.5″ w

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Amazon.com
Walmart
Home Depot
Lowe’s

Product Details

Specifications

Details
Product Type Pipe Insulation
Maximum Pipe Size 3 in.
Self Sealing No
Length 25 ft.
R Value 2.1

Reviews From Real Customers

Kim
NEgirl
Kaitlyn

2. 1-1/2″ x 6 ft. Pipe Insulation, 3/4″ Wall

1-1/2

  • Length: 6 ft
  • For Iron Pipe Size: 1 1/2 in
  • Insulation Nominal I.D.: 2 in
  • Wall Thickness: 3/4 in
  • Insulation Temp. Range: -70 Degrees F to 220 Degrees F

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Amazon.com – Seller

Product Details

Specifications

Details
Length 6 ft
For Iron Pipe Size 1 1/2 in
Wall Thickness 3/4 in
Insulation Temp. Range -70 Degrees F to 220 Degrees F

Reviews From Real Customers

Actually Thoughtful
AC
Zoro

3. Frost King 2″ x 15 ft. Foam and Foil Pipe Insulation Wrap, FV15H

Frost King 2

  • 1-step installation
  • Can be used to insulate both hot and cold pipes
  • Dampens sound and vibration
  • Helps cold water pipes in the summer from sweating and dripping
  • Helps stop heat loss and saves energy

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Amazon
eBay
Walmart
Lowe’s

Product Details

Specifications

Details
Length 15 ft
Thickness 1/8 in
Approx. R Value 2
Temp. Range 0 Degrees F to 250 Degrees F
For Use On Hot and Cold Pipes
Standards UL 723
Condensed Mfg Number FV15H
Hazardous Material N
Green Material Flag N
COO Name UNITED STATES OF AMERICA
TAA Compliant Y
Country of Origin US
CA Prop 65 Wht Label N

Reviews From Real Customers

Michelle

4. Thermwell Products P11XB-6 Tube Pipe Insulation – 0.75 in x 6 ft.

Thermwell Products P11XB-6 Tube Pipe Insulation - 0.75 in x 6 ft.

  • Pre-slit polyethylene
  • Insulates to keep heat in
  • Prevents cold water pipes from sweating
  • R-value: 2.1
  • Easy to use

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Amazon
Guaranteed Lowest Price
Agri Supply

Product Details

Specifications

Details
Insulation R-Value 2.1
Compatible Pipe Material Copper
Minimum compatible pipe size (in.) .675
Pack Size 1
Pipe or Fitting Product Type Accessory

Reviews From Real Customers

Budge
Hunt
Easy Going RV Antifreeze

5. Armacell – PR12118UATU0 – Tundra 1 in. S x 3 ft. L Polyethylene Foam Pipe Insulation

Armacell - PR12118UATU0 - Tundra 1 in. S x 3 ft. L Polyethylene Foam Pipe Insulation

  • 1/2 in. X 3 ft / Size 1 in / 3/4 in

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Amazon
Storeseven.com
Do it Best
Valu Home Centers

Product Details

Specifications

Details
Country of Origin Canada
Wall Thickness 1/2 In
Pipe Size 1 In. Copper, 3/4 In. Iron
Length 37-1/2 In
R Value 2.983

Reviews From Real Customers

canadiantire.ca
TSeltz
Cherie

6. Armacell TundraSeal Self Sealing 3/4 in. x 3 ft. L Polyethylene Foam Pipe Insulation

Armacell TundraSeal Self Sealing 3/4 in. x 3 ft. L Polyethylene Foam Pipe Insulation

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Amazon
Valu Home Centers
Farm & Home Hardware
Do it Best

Product Details

Specifications

Details
Country of Origin Canada
Wall Thickness 1/2 In
Pipe Size 3/4 In. Copper, 1/2 In. Iron
Length 37-1/2 In
R Value 3.223

Reviews From Real Customers

Kalvin
Gman

7. Thermwell P12X 4 Pack Foam Pipe Insulation – 3 ft.

Thermwell P12X 4 Pack Foam Pipe Insulation - 3 ft.

  • 1″ X 3′

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Amazon
Home Repair Parts
Agri Supply

Product Details

Specifications

Details
Assembled Depth (in) 36.3 in
Assembled Height (in) 1.9 in
Assembled Width (in) 7.6 in
Assembled Weight (lbs) 0.25 lbs
Item has MSDS (SDS)? N

Reviews From Real Customers

mmabbitt
psccoopersta
ViewInOhio

8. Duck Foam Pipe Cover – 12 ft

Duck Foam Pipe Cover - 12 ft

  • Duck Brand insulating foam pipe sticks are great for insulating both hot and cold pipes
  • Prevents winter freezing and summer sweating
  • Safe for temperatures up to 212-Degree-Fahrenheit
  • Versatile sticks are pre-slit for easy opening and installation on curved pipes and the self sealing edges make it easy to secure
  • 3-Feet sticks fit 3/4-Inch I.D. copper pipes and come four to a pack

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Amazon
eBay
Walmart
litvon

Product Details

Specifications

Details
Additional Feature Insulates hot & cold pipes

Reviews From Real Customers

Jaq
Truthshopper
Karen

9. K-Flex USA 1/2″ Thick, Unslit NBR/PVC Pipe Insulation, 6 ft. Insulation Length 6RX048068

K-Flex USA 1/2

  • Insulation 1/2 In, Insulation Length 6 ft, Fits Pipe Size.
  • Pipe Insulation 1/2 In, Fits Tube Size 3/4 In, Insulation Nominal I.

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Amazon
Grainger Industrial Supply
Tucson Alternator

Product Details

Reviews From Real Customers

Jon the HVAC guy
Wade

10. K-Flex 6RXLO100448 6′ Insul-Lock DS Pipe Insulation 4-1/2″ID x 1″ Thick W/Overla

K-Flex 6RXLO100448 6' Insul-Lock DS Pipe Insulation 4-1/2

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Amazon
eBay – zorotools
Global Industrial
Zoro

Product Details

Specifications

Details
Wall Thickness 1 in
Nominal Inside Diameter 4-1/2 in
Length 6 ft
Package Quantity 1

Reviews From Real Customers

Jim the runner

11. K-Flex USA 1/2″ Thick NBR/PVC Tee Pipe Fitting Insulation, 3.00 Approx. R Value, Black 801-T-048068

K-Flex USA 1/2

  • 3/4 Inch

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Amazon
spsindustrial.com
Zoro

Product Details

Specifications

Details
For Fitting Shape Tee
Fits Pipe Size – Pipe Insulation 1/2 in
Approx. R Value 3
Fits Tube Size 3/4 in
Wall Thickness – Insulation 1/2 in

Reviews From Real Customers

Reviewed by Trotters customer
Julie W.

12. Frost King 2 in. x 15 ft. Foam and Foil Pipe Wrap Insulation Tape FV15H | Conservation Mart

Frost King 2 in. x 15 ft. Foam and Foil Pipe Wrap Insulation Tape FV15H | Conservation Mart

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Amazon
Conservation Mart

Product Details

Specifications

Details
Minimum compatible pipe size (in.) 0.375
R Value 2.0

13. Owens Corning Pipe Insulation,ID 3/4″,Wall Thick 1″ 722471

Owens Corning Pipe Insulation,ID 3/4

  • 3/4 in / 1 1/8 in / Size, 1 in

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eBay
Grainger Industrial Supply
Zoro
Neobits.com

Product Details

Specifications

Details
Wall Thickness 1″
Length 3 ft.
For Iron Pipe Size 3/4″
Insulation Type Hinged with Self Sealing Lap
Insulation Body Material Fiberglass

Reviews From Real Customers

magellannh
Angel

14. Johns Manville 690441 1/2″ x 3 ft. Pipe Insulation, 1/2″ Wall

Johns Manville 690441 1/2

  • Pipe Insulation Hinged with Self Sealing Lap, Wall Thickness.
  • Insulation 1/2 in, Insulation Length 3 ft, Fits Pipe Size.
  • R Value: 2.2Insulation Body Material: FiberglassFits Tube Size: 7/8 inFits Pipe Size.
  • Pipe Insulation: 1/2 in – Material: Fiberglass – For Iron Pipe Size: 1/2 inch – Color: White – Insulation Nominal I.

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eBay – zorotools
Grainger Industrial Supply
Zoro

Product Details

Specifications

Details
Approx. R Value 2.2
Length 3 ft
Wall Thickness 1/2″
Insulation Length 3 ft
Insulation Type Hinged with Self Sealing Lap

Reviews From Real Customers

Yourinterior

15. Pipe Insulation,1.5 inch Wall Thick, Tan, Size: 10 722592

Pipe Insulation,1.5 inch Wall Thick, Tan, Size: 10 722592

  • Pipe Insulation Hinged with Self Sealing Lap, Wall Thickness.
  • Insulation 1 1/2 in, Insulation Length 3 ft, Fits Pipe Size 10 in, Insulation Nominal I.

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Walmart – Aprive Inc

Product Details

16. Owens Corning 722592 Pipe Insulation,1.5″ Wall Thick, Tan

Owens Corning 722592 Pipe Insulation,1.5

  • 10 in / Size, 1 1/2 in

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Grainger Industrial Supply
Zoro

Product Details

Specifications

Details
Wall Thickness 1-1/2″
Length 3 ft.
For Iron Pipe Size 10″
Insulation Approx. K Value 0.19
Includes Pressure Sensitive Adhesive System

17. 1pack Aeroflex 520-AC23810 2 inch x 6 ft. Pipe Insulation, 1 inch Wall, Size: 1 in

1pack Aeroflex 520-AC23810 2 inch x 6 ft. Pipe Insulation, 1 inch Wall, Size: 1 in

  • 2 in X 6 ft

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Neobits.com

Product Details

Reviews From Real Customers

PowerfulHyena-61408

18. Tundra 3/4″x6′ Pipe Insulation

Tundra 3/4

  • Pipe Insulation Pre-Slit/Pre Glued, Wall Thickness.
  • Insulation 1/2 In, Insulation Length 6 ft, Fits Pipe Size.
  • Pipe Insulation 4 In, Insulation Nominal I.

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Frankfort Hardware

Product Details

Specifications

Details
U/M / EA

Reviews From Real Customers

Bandi53
LS M
Marcie

19. K-Flex USA 6RXLO048200 – Pipe Insulation 6 ft. 1/2in. Wall Thick

K-Flex USA 6RXLO048200 - Pipe Insulation 6 ft. 1/2in. Wall Thick

  • 6ft. 1/2in

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Grainger Industrial Supply
Zoro

Product Details

Specifications

Details
Wall Thickness 1/2″
Length 6 ft.
For Iron Pipe Size 1-1/2″
Insulation Type Elastomeric
Approx. R Value 2.6

20. Armacell Pr12078uwtu0 Tundra Pipe Insulation, 3/4 in. x 6 ft.

Armacell Pr12078uwtu0 Tundra Pipe Insulation, 3/4 in. x 6 ft.

  • 3/4 in. X 6 ft. L

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Ace Hardware
pointy.com/shops/usa/california/fresno/fresno-ag-hardware
Long Beach Ace Hardware
Dinuba Lumber Co

Product Details

Specifications

Details
Self Sealing No
Flexibility Flexible
Assembled Product Weight 0 oz

Reviews From Real Customers

Rick

Conclusion

One of the most important things to consider when insulating water pipes is the type of insulation that will be the most effective in your climate. In general, the three most common types of insulation used for water pipes are fiberglass, polyurethane foam, and neoprene rubber.

Each of these materials has its own advantages and disadvantages that should be considered before making a decision.

Fiberglass is the most common type of insulation used for water pipes. It is inexpensive and easy to install, and it provides a good level of insulation. However, fiberglass is not as durable as other types of insulation, and it can be damaged by moisture.

Polyurethane foam is more expensive than fiberglass, but it is more durable and provides a higher level of insulation. However, polyurethane foam is more difficult to install than fiberglass, and it is not as widely available.

Neoprene rubber is the most expensive type of insulation, but it is the most durable and provides the best level of insulation. Neoprene rubber is also the most difficult to install, and it is not as widely available as fiberglass or polyurethane foam.

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