ID ID |
---|

|
|
|
Material Material |
---|
|
Specifications Met Specifications Met |
---|
|
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
---|
OD OD |
---|
Density Density |
---|
|
|
Heat Flow Rate Heat Flow Rate |
---|
|
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
---|
|
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
---|
|
Performance Properties Performance Properties |
---|
|
For Pipe Insulation OD For Pipe Insulation OD |
---|
For Pipe Fitting Connection Type For Pipe FittingConnection Type |
---|
|
About Selecting Thermal Insulation
More
Flexible Rubber Foam Pipe Insulation
Soft and easy to install, this insulation restricts absorption of water, air, and gas. It is often used on cold and hot water lines and refrigeration lines. Seal with contact adhesive (sold separately). To use outdoors, coat in acrylic paint.
For technical drawings and 3-D models, click on a part number.

- Temperature Range: -295° to 220° F
- Heat Flow Rate: 0.25 Btu @ 75° F
- Density: 4.5 lbs./cu. ft.
- Color: Black
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C534
ID | For Pipe Size | For Copper Tube Size | Flexibility | Tube Style | R Value | Each | |
3/8" Wall Thick. | |||||||
---|---|---|---|---|---|---|---|
5/8" | 3/8 | 1/2 | Flexible | Slit | 1.5 | 00000000 | 00000 |
7/8" | 1/2 | 3/4 | Flexible | Slit | 1.5 | 00000000 | 0000 |
1 1/8" | 3/4 | 1 | Flexible | Slit | 1.5 | 00000000 | 0000 |
1 3/8" | 1 | 1 1/4 | Flexible | Slit | 1.5 | 00000000 | 0000 |
1 5/8" | 1 1/4 | 1 1/2 | Flexible | Slit | 1.5 | 00000000 | 0000 |
1 7/8" | 1 1/2 | __ | Flexible | Slit | 1.5 | 00000000 | 0000 |
2 1/8" | __ | 2 | Flexible | Slit | 1.5 | 00000000 | 0000 |
1/2" Wall Thick. | |||||||
1/2" | 1/4 | 3/8 | Flexible | Unslit | 2 | 000000000 | 0000 |
5/8" | 3/8 | 1/2 | Flexible | Slit | 2 | 00000000 | 0000 |
3/4" | __ | __ | Flexible | Unslit | 2 | 000000000 | 0000 |
7/8" | 1/2 | 3/4 | Flexible | Slit | 2 | 00000000 | 0000 |
1 1/8" | 3/4 | 1 | Flexible | Slit | 2 | 00000000 | 0000 |
1 3/8" | 1 | 1 1/4 | Flexible | Slit | 2 | 00000000 | 0000 |
1 5/8" | 1 1/4 | 1 1/2 | Flexible | Slit | 2 | 00000000 | 0000 |
1 7/8" | 1 1/2 | __ | Flexible | Slit | 2 | 00000000 | 0000 |
2 1/8" | __ | 2 | Flexible | Slit | 2 | 00000000 | 0000 |
2 3/8" | 2 | __ | Flexible | Slit | 2 | 000000000 | 0000 |
2 5/8" | __ | 2 1/2 | Flexible | Slit | 2 | 000000000 | 0000 |
2 7/8" | 2 1/2 | __ | Flexible | Slit | 2 | 000000000 | 00000 |
3 1/8" | __ | 3 | Flexible | Slit | 2 | 000000000 | 00000 |
3 3/8" | __ | __ | Flexible | Slit | 2 | 000000000 | 00000 |
3 5/8" | 3 | 3 1/2 | Flexible | Unslit | 2 | 000000000 | 00000 |
4 1/8" | 3 1/2 | 4 | Flexible | Slit | 2 | 000000000 | 00000 |
4 3/8" | __ | __ | Flexible | Slit | 2 | 000000000 | 00000 |
3/4" Wall Thick. | |||||||
1/2" | 1/4 | 3/8 | Flexible | Unslit | 3 | 000000000 | 0000 |
5/8" | 3/8 | 1/2 | Flexible | Slit | 3 | 000000000 | 0000 |
3/4" | __ | __ | Flexible | Unslit | 3 | 000000000 | 00000 |
7/8" | 1/2 | 3/4 | Flexible | Slit | 3 | 000000000 | 0000 |
1 1/8" | 3/4 | 1 | Flexible | Slit | 3 | 000000000 | 0000 |
1 3/8" | 1 | 1 1/4 | Flexible | Slit | 3 | 000000000 | 0000 |
1 5/8" | 1 1/4 | 1 1/2 | Flexible | Slit | 3 | 000000000 | 0000 |
1 7/8" | 1 1/2 | __ | Flexible | Slit | 3 | 000000000 | 00000 |
2 1/8" | __ | 2 | Flexible | Slit | 3 | 000000000 | 00000 |
2 3/8" | 2 | __ | Flexible | Slit | 3 | 000000000 | 00000 |
2 5/8" | __ | 2 1/2 | Flexible | Slit | 3 | 000000000 | 00000 |
2 7/8" | 2 1/2 | __ | Flexible | Slit | 3 | 000000000 | 00000 |
3 1/8" | __ | 3 | Flexible | Slit | 3 | 000000000 | 00000 |
3 3/8" | __ | __ | Flexible | Slit | 3 | 000000000 | 00000 |
3 5/8" | 3 | 3 1/2 | Flexible | Unslit | 3 | 000000000 | 00000 |
4 1/8" | 3 1/2 | 4 | Flexible | Slit | 3 | 000000000 | 00000 |
4 3/8" | __ | __ | Flexible | Slit | 3 | 000000000 | 00000 |
1" Wall Thick. | |||||||
1/2" | 1/4 | 3/8 | Flexible | Unslit | 4 | 000000000 | 00000 |
5/8" | 3/8 | 1/2 | Flexible | Slit | 4 | 000000000 | 0000 |
3/4" | __ | __ | Flexible | Unslit | 4 | 000000000 | 00000 |
7/8" | 1/2 | 3/4 | Flexible | Slit | 4 | 000000000 | 0000 |
1 1/8" | 3/4 | 1 | Flexible | Slit | 4 | 000000000 | 0000 |
1 3/8" | 1 | 1 1/4 | Flexible | Slit | 4 | 000000000 | 0000 |
1 5/8" | 1 1/4 | 1 1/2 | Flexible | Slit | 4 | 000000000 | 0000 |
1 7/8" | 1 1/2 | __ | Flexible | Slit | 4 | 000000000 | 00000 |
2 1/8" | __ | 2 | Flexible | Slit | 4 | 000000000 | 00000 |
2 3/8" | 2 | __ | Flexible | Slit | 4 | 000000000 | 00000 |
2 5/8" | __ | 2 1/2 | Flexible | Slit | 4 | 000000000 | 00000 |
2 7/8" | 2 1/2 | __ | Flexible | Slit | 4 | 000000000 | 00000 |
3 1/8" | __ | 3 | Flexible | Slit | 4 | 000000000 | 00000 |
3 3/8" | __ | __ | Flexible | Slit | 4 | 000000000 | 00000 |
3 5/8" | 3 | 3 1/2 | Flexible | Unslit | 4 | 000000000 | 00000 |
4 1/8" | 3 1/2 | 4 | Flexible | Slit | 4 | 000000000 | 00000 |
4 3/8" | __ | __ | Flexible | Slit | 4 | 000000000 | 00000 |
Fiberglass Pipe Insulation
This common insulation material is typically used on hot and cold water lines and in process piping. To use outdoors, add metal jacketing.
Tubes, elbows, and tees are formed to provide the best fit on pipe and are the easiest to install. If your pipe is larger than the sizes we offer, choose a sheet/strip.
Elbows and tees with PVC jacketing seal using reinforced HVAC tape (sold separately).
For technical drawings and 3-D models, click on a part number.

- Temperature Range: 0° to 1000° F
- Heat Flow Rate: 0.23 Btu @ 75° F
- Density: 5 lbs./cu. ft.
- Color: Brown
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C585
ID | For Pipe Size | For Copper Tube Size | Flexibility | R Value | Each | |
1" Wall Thick. | ||||||
---|---|---|---|---|---|---|
5/8" | 3/8 | 1/2 | Rigid | 4.3 | 00000000 | 000000 |
7/8" | 1/2 | 3/4 | Rigid | 4.3 | 00000000 | 00000 |
1 1/8" | 3/4 | 1 | Rigid | 4.3 | 00000000 | 00000 |
1 3/8" | 1 | 1 1/4 | Rigid | 4.3 | 00000000 | 00000 |
1 5/8" | 1 1/4 | 1 1/2 | Rigid | 4.3 | 00000000 | 00000 |
1 7/8" | 1 1/2 | __ | Rigid | 4.3 | 00000000 | 00000 |
2 1/8" | __ | 2 | Rigid | 4.3 | 00000000 | 00000 |
2 3/8" | 2 | __ | Rigid | 4.3 | 00000000 | 00000 |
1 1/2" Wall Thick. | ||||||
5/8" | 3/8 | 1/2 | Rigid | 6.5 | 00000000 | 00000 |
7/8" | 1/2 | 3/4 | Rigid | 6.5 | 00000000 | 00000 |
1 1/8" | 3/4 | 1 | Rigid | 6.5 | 00000000 | 00000 |
1 3/8" | 1 | 1 1/4 | Rigid | 6.5 | 00000000 | 00000 |
1 5/8" | 1 1/4 | 1 1/2 | Rigid | 6.5 | 00000000 | 00000 |
1 7/8" | 1 1/2 | __ | Rigid | 6.5 | 00000000 | 00000 |
2 1/8" | __ | 2 | Rigid | 6.5 | 00000000 | 00000 |
2 3/8" | 2 | __ | Rigid | 6.5 | 00000000 | 00000 |
2 7/8" | 2 1/2 | __ | Rigid | 6.5 | 00000000 | 00000 |
3 1/2" | __ | __ | Rigid | 6.5 | 00000000 | 00000 |
4 1/2" | 4 | __ | Rigid | 6.5 | 00000000 | 00000 |
6 5/8" | 6 | __ | Rigid | 6.5 | 00000000 | 00000 |
2" Wall Thick. | ||||||
1 1/8" | 3/4 | 1 | Rigid | 8.7 | 00000000 | 00000 |
1 3/8" | 1 | 1 1/4 | Rigid | 8.7 | 00000000 | 00000 |
1 5/8" | 1 1/4 | 1 1/2 | Rigid | 8.7 | 00000000 | 00000 |
1 7/8" | 1 1/2 | __ | Rigid | 8.7 | 00000000 | 00000 |
2 1/8" | __ | 2 | Rigid | 8.7 | 00000000 | 00000 |
2 3/8" | 2 | __ | Rigid | 8.7 | 00000000 | 00000 |
3 1/2" | __ | __ | Rigid | 8.7 | 00000000 | 00000 |
4 1/2" | 4 | __ | Rigid | 8.7 | 00000000 | 00000 |
6 5/8" | 6 | __ | Rigid | 8.7 | 00000000 | 00000 |

- Temperature Range: 0° to 1000° F
- Jacket Temperature Range: 0° to 150° F
- Heat Flow Rate: 0.23 Btu @ 75° F
- Density: 6 lbs./cu. ft.
- Color: Red
- Jacket Color: White
- Specifications Met: ASTM E84 25/50 for Flame and Smoke
1" Wall Thick. | ||||||
---|---|---|---|---|---|---|
ID | For Pipe Size | For Copper Tube Size | Flexibility | R Value | Each | |
7/8" | 1/2 | 3/4 | Rigid | 4.3 | 00000000 | 000000 |
1 1/8" | 3/4 | 1 | Rigid | 4.3 | 00000000 | 00000 |
1 3/8" | 1 | 1 1/4 | Rigid | 4.3 | 00000000 | 00000 |
1 5/8" | 1 1/4 | 1 1/2 | Rigid | 4.3 | 00000000 | 00000 |
1 7/8" | 1 1/2 | __ | Rigid | 4.3 | 00000000 | 00000 |
2 3/8" | 2 | __ | Rigid | 4.3 | 00000000 | 00000 |
Reinforced HVAC Tape (3" × 30 ft.) | 00000000 | Each | 000000 |
Economical Flexible Polyethylene Foam Pipe Insulation
Less flexible than rubber foam, this insulation restricts absorption of water, air, and gas. It is typically used in plumbing applications. Seal with contact adhesive (sold separately). To use outdoors, coat in acrylic paint.
For technical drawings and 3-D models, click on a part number.

- Temperature Range: -330° to 210° F
- Heat Flow Rate: 0.245 Btu @ 75° F
- Density: 1.5 lbs./cu. ft.
- Color: Black
- Specifications Met: ASTM C1427 Type I, ASTM E84 25/50 for Flame and Smoke
3/8" Wall Thick. | 1/2" Wall Thick. | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
ID | For Pipe Size | For Copper Tube Size | Flexibility | Tube Style | R Value | Each | R Value | Each | ||
5/8" | 3/8 | 1/2 | Flexible | Slit | 1.5 | 0000000 | 00000 | 2 | 0000000 | 00000 |
7/8" | 1/2 | 3/4 | Flexible | Slit | 1.5 | 0000000 | 0000 | 2 | 0000000 | 0000 |
1 1/8" | 3/4 | 1 | Flexible | Slit | 1.5 | 0000000 | 0000 | 2 | 0000000 | 0000 |
1 3/8" | 1 | 1 1/4 | Flexible | Slit | 1.5 | 0000000 | 0000 | 2 | 0000000 | 0000 |
1 5/8" | 1 1/4 | 1 1/2 | Flexible | Slit | 1.5 | 0000000 | 0000 | 2 | 0000000 | 0000 |
1 7/8" | 1 1/2 | __ | Flexible | Slit | 1.5 | 0000000 | 0000 | 2 | 0000000 | 0000 |
2 1/8" | __ | 2 | Flexible | Slit | 1.5 | 0000000 | 0000 | 2 | 0000000 | 0000 |
Chemical-Resistant Cellular Glass Pipe Insulation
Very rigid with a 0% water absorption rate, this insulation is unaffected by corrosive environments, organic solvents, and most acids. It is typically used in chemical-processing systems and underground lines. Insulation is flame resistant, meeting ASTM E84 0/0 for flame and smoke. Seal with tape (sold separately). Outdoor and underground use require metal jacketing (sold separately).
For technical drawings and 3-D models, click on a part number.

- Temperature Range: -450° to 900° F
- Heat Flow Rate: 0.29 Btu @ 75° F
- Density: 7.5 lbs./cu. ft.
- Color: Black
- Specifications Met: ASTM C522 Grade 6, ASTM E84 0/0 for Flame and Smoke
1" Wall Thick. | 2" Wall Thick. | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
ID | For Pipe Size | For Copper Tube Size | Flexibility | Choose a Pipe Fitting Connection Type | R Value | Each | R Value | Each | ||
1 1/8" | 3/4 | 1 | Rigid | Socket Weld, Threaded | 3.4 | 00000000 | 000000 | __ | 000000 | 00 |
1 3/8" | 1 | 1 1/4 | Rigid | Socket Weld, Threaded | 3.4 | 00000000 | 00000 | 6.9 | 00000000 | 000000 |
1 5/8" | 1 1/4 | 1 1/2 | Rigid | Socket Weld, Threaded | 3.4 | 00000000 | 00000 | 6.9 | 00000000 | 00000 |
1 7/8" | 1 1/2 | __ | Rigid | Socket Weld, Threaded | 3.4 | 00000000 | 00000 | 6.9 | 00000000 | 00000 |
2 3/8" | 2 | __ | Rigid | Socket Weld, Threaded | 3.4 | 00000000 | 00000 | 6.9 | 00000000 | 00000 |
Ultra-Insulating Low-Temperature Polyisocyanurate Foam Pipe Insulation
This very rigid insulation offers the lowest heat-flow rate of our pipe insulation and restricts absorption of water, air, and gas. It is typically used in process piping and chiller plants and performs best in applications below 50° F. To use outdoors, add metal jacketing.
For technical drawings and 3-D models, click on a part number.

- Temperature Range: -295° to 300° F
- Heat Flow Rate: 0.17 Btu @ 75° F
- Density: 2 lbs./cu. ft.
- Color: Peach
- Specifications Met: ASTM E84 25/50 for Flame and Smoke
1" Wall Thick. | 2" Wall Thick. | ||||||||
---|---|---|---|---|---|---|---|---|---|
ID | For Pipe Size | For Copper Tube Size | Flexibility | R Value | Each | R Value | Each | ||
7/8" | 1/2 | 3/4 | Rigid | 5.9 | 0000000 | 000000 | 11.8 | 00000000 | 000000 |
1 1/8" | 3/4 | 1 | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
1 3/8" | 1 | 1 1/4 | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
1 5/8" | 1 1/4 | 1 1/2 | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
1 7/8" | 1 1/2 | __ | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
2 3/8" | 2 | __ | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
2 7/8" | 2 1/2 | __ | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
3 1/2" | __ | __ | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
4" | __ | __ | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
4 1/2" | 4 | __ | Rigid | 5.9 | 0000000 | 00000 | 11.8 | 00000000 | 00000 |
Plastic Pipe Insulation Jacketing
Protect insulation from light impact and moisture with this durable PVC jacketing. When selecting size, use the OD of the insulation you are jacketing. Seal with sealant or tape (not included).

- Temperature Range: 0° to 140° F
- Color: White
- Specifications Met: ASTM E84 25/50 for Flame and Smoke
For Pipe Insulation OD | Flexibility | Includes | Each | |
1 7/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
2 3/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 0000 |
2 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 0000000 | 0000 |
2 7/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 0000 |
3 1/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 0000000 | 0000 |
3 3/8"-3 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 0000 |
3 7/8"-4 1/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
4 3/8"-4 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
4 7/8"-5 3/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
5 1/2"-5 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
5 7/8"-6 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
6 7/8"-7 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
7 7/8"-8 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
10 1/8"-10 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 000000000 | 00000 |
11 1/8"-11 3/4" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 0000000 | 00000 |
12 1/8"-12 5/8" | Flexible | 1 1/2" Thick Piece of Fiberglass Insulation | 0000000 | 000000 |