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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.
Tubes have an all-service jacket (ASJ) made of kraft paper with an adhesive strip closure. Seal with reinforced insulation tape (sold separately).
For technical drawings and 3-D models, click on a part number.
Tubes with Kraft Paper Jacketing
Tube
- Temperature Range: 0° to 850° F
- Jacket Temperature Range: -20° to 150° F
- Heat Flow Rate: 0.23 Btu @ 75° F
- Density: 4.5 lbs./cu. ft.
- Color: Yellow
- Jacket Color: White
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C547, ASTM C585
| ID | For Pipe Size | For Copper Tube Size | Lg., ft. | Flexibility | R Value | Each | |
1/2" Wall Thick. | |||||||
|---|---|---|---|---|---|---|---|
| 5/8" | 3/8 | 1/2 | 3 | Rigid | 2.2 | 0000000 | 00000 |
| 7/8" | 1/2 | 3/4 | 3 | Rigid | 2.2 | 0000000 | 0000 |
| 1 1/8" | 3/4 | 1 | 3 | Rigid | 2.2 | 0000000 | 0000 |
| 1 3/8" | 1 | 1 1/4 | 3 | Rigid | 2.2 | 0000000 | 0000 |
| 1 5/8" | 1 1/4 | 1 1/2 | 3 | Rigid | 2.2 | 0000000 | 0000 |
| 1 7/8" | 1 1/2 | __ | 3 | Rigid | 2.2 | 0000000 | 0000 |
| 2 1/8" | __ | 2 | 3 | Rigid | 2.2 | 0000000 | 0000 |
| 2 3/8" | 2 | __ | 3 | Rigid | 2.2 | 0000000 | 0000 |
| 2 5/8" | __ | 2 1/2 | 3 | Rigid | 2.2 | 0000000 | 00000 |
| 2 7/8" | 2 1/2 | __ | 3 | Rigid | 2.2 | 0000000 | 00000 |
1" Wall Thick. | |||||||
| 5/8" | 3/8 | 1/2 | 3 | Rigid | 4.3 | 0000000 | 0000 |
| 7/8" | 1/2 | 3/4 | 3 | Rigid | 4.3 | 0000000 | 0000 |
| 1 1/8" | 3/4 | 1 | 3 | Rigid | 4.3 | 0000000 | 0000 |
| 1 3/8" | 1 | 1 1/4 | 3 | Rigid | 4.3 | 0000000 | 0000 |
| 1 5/8" | 1 1/4 | 1 1/2 | 3 | Rigid | 4.3 | 0000000 | 0000 |
| 1 7/8" | 1 1/2 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 2 1/8" | __ | 2 | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 2 3/8" | 2 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 2 5/8" | __ | 2 1/2 | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 2 7/8" | 2 1/2 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 3 1/2" | __ | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 4 1/2" | 4 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 5 1/2" | 5 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 6 5/8" | 6 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 8 5/8" | 8 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 10 3/4" | 10 | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
| 12 3/4" | __ | __ | 3 | Rigid | 4.3 | 0000000 | 00000 |
1 1/2" Wall Thick. | |||||||
| 5/8" | 3/8 | 1/2 | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 7/8" | 1/2 | 3/4 | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 1 1/8" | 3/4 | 1 | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 1 3/8" | 1 | 1 1/4 | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 1 5/8" | 1 1/4 | 1 1/2 | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 1 7/8" | 1 1/2 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 2 1/8" | __ | 2 | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 2 3/8" | 2 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 2 5/8" | __ | 2 1/2 | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 2 7/8" | 2 1/2 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 3 1/2" | __ | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 4 1/2" | 4 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 5 1/2" | 5 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 6 5/8" | 6 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 8 5/8" | 8 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 10 3/4" | 10 | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
| 12 3/4" | __ | __ | 3 | Rigid | 6.5 | 0000000 | 00000 |
2" Wall Thick. | |||||||
| 7/8" | 1/2 | 3/4 | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 1 1/8" | 3/4 | 1 | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 1 3/8" | 1 | 1 1/4 | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 1 5/8" | 1 1/4 | 1 1/2 | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 1 7/8" | 1 1/2 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 2 1/8" | __ | 2 | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 2 3/8" | 2 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 2 5/8" | __ | 2 1/2 | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 2 7/8" | 2 1/2 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 3 1/2" | __ | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 4 1/2" | 4 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 5 1/2" | 5 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 6 5/8" | 6 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 8 5/8" | 8 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 10 3/4" | 10 | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
| 12 3/4" | __ | __ | 3 | Rigid | 8.7 | 0000000 | 00000 |
3" Wall Thick. | |||||||
| 1 3/8" | 1 | 1 1/4 | 3 | Rigid | 13 | 00000000 | 00000 |
| 1 5/8" | 1 1/4 | 1 1/2 | 3 | Rigid | 13 | 00000000 | 00000 |
| 1 7/8" | 1 1/2 | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| 2 3/8" | 2 | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| 2 5/8" | __ | 2 1/2 | 3 | Rigid | 13 | 00000000 | 00000 |
| 2 7/8" | 2 1/2 | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| 3 1/2" | __ | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| 4 1/2" | 4 | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| 5 1/2" | 5 | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| 6 5/8" | 6 | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| 8 5/8" | 8 | __ | 3 | Rigid | 13 | 00000000 | 00000 |
| Reinforced Insulation Tape (3" × 30 ft.) | 00000000 | Each | 000000 |
90° Elbows
Elbow
- 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 |
| 2 5/8" | __ | 2 1/2 | Rigid | 4.3 | 00000000 | 00000 |
| 2 7/8" | 2 1/2 | __ | Rigid | 4.3 | 00000000 | 00000 |
| 3 1/2" | __ | __ | Rigid | 4.3 | 00000000 | 00000 |
| 4 1/2" | 4 | __ | Rigid | 4.3 | 00000000 | 00000 |
| 5 1/2" | 5 | __ | Rigid | 4.3 | 00000000 | 00000 |
| 6 5/8" | 6 | __ | Rigid | 4.3 | 00000000 | 00000 |
| 8 5/8" | 8 | __ | Rigid | 4.3 | 00000000 | 00000 |
| 10 3/4" | 10 | __ | 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 5/8" | __ | 2 1/2 | 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 |
| 5 1/2" | 5 | __ | Rigid | 6.5 | 00000000 | 00000 |
| 6 5/8" | 6 | __ | Rigid | 6.5 | 00000000 | 00000 |
| 8 5/8" | 8 | __ | Rigid | 6.5 | 00000000 | 000000 |
| 10 3/4" | 10 | __ | Rigid | 6.5 | 00000000 | 000000 |
| 12 3/4" | __ | __ | Rigid | 6.5 | 00000000 | 000000 |
2" Wall Thick. | ||||||
| 5/8" | 3/8 | 1/2 | Rigid | 8.7 | 00000000 | 00000 |
| 7/8" | 1/2 | 3/4 | Rigid | 8.7 | 00000000 | 00000 |
| 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 |
| 2 5/8" | __ | 2 1/2 | Rigid | 8.7 | 00000000 | 00000 |
| 2 7/8" | 2 1/2 | __ | Rigid | 8.7 | 00000000 | 00000 |
| 3 1/2" | __ | __ | Rigid | 8.7 | 00000000 | 00000 |
| 4 1/2" | 4 | __ | Rigid | 8.7 | 00000000 | 00000 |
| 5 1/2" | 5 | __ | Rigid | 8.7 | 00000000 | 00000 |
| 6 5/8" | 6 | __ | Rigid | 8.7 | 00000000 | 00000 |
| 8 5/8" | 8 | __ | Rigid | 8.7 | 00000000 | 000000 |
| 10 3/4" | 10 | __ | Rigid | 8.7 | 00000000 | 000000 |
| 12 3/4" | __ | __ | Rigid | 8.7 | 00000000 | 000000 |
Tees
Tee
- 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" | 7/8 | __ | 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" | 7/8 | __ | 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" | 3 | __ | 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" | 7/8 | __ | 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" | 3 | __ | Rigid | 8.7 | 00000000 | 00000 |
| 4 1/2" | 4 | __ | Rigid | 8.7 | 00000000 | 00000 |
| 6 5/8" | 6 | __ | Rigid | 8.7 | 00000000 | 000000 |