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Owens Corning
Owens Corning 722597 Pipe Insulation 1-1/8 in OD 3 ft Fiberglass 1/2 in wall
Fiberglass pipe insulation with ASJ facing and adhesive slit fits 1-1/8 in copper tube and operates from 0 to 1,000 Degrees F
- Operates from 0 to 1,000 °F for extreme temperature resilience
- R-value 2.9 reduces heat loss and improves energy efficiency
- Plenum-rated with flame spread 25 and smoke developed 50 for code compliance
- Pre-slit with adhesive flap enables fast, tool-free installation
- Fiberglass tube fits 1-1/8 in OD copper pipe and 3/4 in iron pipe
Pipe insulation for 3/4 inch copper tubing
Owens Corning 722597 is a fiberglass tube designed to fit 1 1/8 inch outside diameter copper pipe, commonly used for 3/4 inch nominal sizes. The three-foot length arrives slit with an adhesive flap for fast installation. A tan ASJ facing provides a clean finish and plenum-rated performance.
Suits hot and cold lines needing thermal control
This insulation serves residential or commercial plumbing and HVAC runs where temperature retention and condensation prevention matter. The 0 to 1,000 degree Fahrenheit range covers typical heating and cooling fluids. Builders requiring thicker walls, different diameters, or non-fiberglass materials should look at other options.
Fits standard copper systems without special tools
The pre-slit tube with self-sealing flap wraps around existing pipe and closes by hand, freeing installers from tape or separate jackets. The 2.9 R-value adds thermal resistance while the 25 flame spread and 50 smoke developed indices meet common plenum codes. California Proposition 65 notice applies.
Highlights
- Operates from 0 to 1,000 °F for extreme temperature resilience
- R-value 2.9 reduces heat loss and improves energy efficiency
- Plenum-rated with flame spread 25 and smoke developed 50 for code compliance
- Pre-slit with adhesive flap enables fast, tool-free installation
- Fiberglass tube fits 1-1/8 in OD copper pipe and 3/4 in iron pipe
Specifications
| Brand | OWENS CORNING |
|---|
Questions about this item
Does the 1-1/8 in OD slit tube with adhesive flap slide over my existing 3/4 in copper pipe without extra fittings?
Yes, the slit design with adhesive flap fits directly over 3/4 in copper tube sized to 1-1/8 in OD.
Will the ASJ facing rated at flame spread 25 and smoke developed 50 meet the same plenum code as my older fiberglass wrap?
The plenum-rated ASJ jacket carries a 25/50 flame and smoke rating, matching common plenum requirements for replacement sections.
After sealing the flap, how can I confirm the R-2.9 insulation is performing at the rated 0 to 1,000 °F range?
Measure the pipe surface temperature under load; it should stay close to ambient, confirming the R-2.9 thermal resistance across the 0–1,000 °F operating window.
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