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Tan fiberglass pipe insulation tube with slit adhesive flap

Owens Corning

Owens Corning 147383 2-1/2" x 3 ft Pipe Insulation Trap

SKU CH-G8Y4-DFXMK MPN 147383

Fiberglass pipe insulation with ASJ facing fits 2-1/2 in pipe, covers 3 ft length, and withstands 0 to 1,000 Degrees F

  • Product typeDrain Components
  • Main materialHAWA
  • Product colorTan
  • High R-value 11.8 cuts heat loss
  • Withstands 0 to 1,000 degrees F
  • Slit adhesive flap speeds installation
  • Low flame spread 25 and smoke 50
  • ASJ facing meets plenum rating

2-1/2" Pipe Insulation Trap

Owens Corning 147383 is a fiberglass pipe insulation tube designed for 2-1/2 inch piping systems. It features a 1-1/2 inch wall thickness and an overall length of 3 feet. The tan colored tube carries an R-value of 11.8 for thermal resistance.

For plumbing thermal protection

This insulation suits installers needing to wrap 2-1/2 inch pipes against heat loss or condensation. The slit design with adhesive flap allows quick fitting around existing runs. It is not for buyers needing flat sheet insulation or products sized for different pipe diameters.

Slit adhesive flap simplifies install

The factory slit with adhesive and flap closure removes the need for separate tape or fasteners during application. ASJ facing provides a clean vapor retarder surface suitable for plenum-rated environments. Flame spread index of 25 and smoke developed index of 50 meet common building code requirements.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 63% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameOwens Corning
Model name147383
Product typeDrain Components
Product colorTan
Size & build
Main materialHAWA

Questions about this item

Does the 2-29/32 in inside diameter fit my 2-1/2 in pipe?

Yes, the 2-29/32 in inside diameter matches the listed 2-1/2 in pipe size for a direct slip-on fit.

Can I run this insulation next to existing metal pipe rated for lower temperatures?

The insulation handles up to 1,000 Degrees F, so it will not degrade when adjacent to cooler-rated metal pipe.

How do I confirm the slit with adhesive and flap is sealed correctly after installation?

Press the flap firmly along the full 3 ft length; the adhesive bonds on contact and the facing stays closed without gaps.

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