Pipe Insulation, 1-3/8" OD, 3 ft. L, Fiberglass, 1 in Wall MPN:690446
Pipe Insulation, 1-3/8" OD, 3 ft. L, Fiberglass, 1 in Wall
Protect your pipes and improve energy efficiency with Johns Manville's high-performance pipe insulation. Made from durable fiberglass, this 3 ft long insulation features a 1 in wall thickness and a slit with adhesive and flap installation style. Suitable for use in extreme temperatures from 0°F to 850°F, it provides an R-value of 4.35, reducing heat loss and energy bills. Ideal for use in residential and commercial applications, including copper tube sizes 1 3/8 in and pipe sizes 1 in, this insulation is plenum rated and meets strict safety standards. Its rigid design and white ASJ facing ensure easy installation and a clean finish.
Top product features:
- Insulation is made of fiberglass for thermal performance
- Has a slit with adhesive and flap for easy installation
- Provides a flame spread index of 25 and smoke developed index of 50 for fire safety
Top product applications:
- Pipe insulation for commercial and industrial applications
- Insulation for heating and cooling systems in buildings
- Protection of pipes from freezing temperatures in cold climates
Pipe Insulation, Insulation Material Fiberglass, Installation Style Slit with Adhesive and Flap, Inside Diameter 1 25/64 in, Wall Thickness 1 in, Overall Length 3 ft, Minimum Operating Temperature 0 Degrees F, Maximum Operating Temperature 850 Degrees F, Facing Material ASJ Facing, Color White, R Value 4.35, Form Tube, For Copper Tube Size 1 3/8 in, For Pipe Size 1 in, Flame Spread Index 25, Smoke Developed Index 50, Foam Cell Type Open, Plenum Rating Plenum Rated, Flexibility Rigid
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 36.00
- Package Width: 3.50
- Package Height: 3.50
- Package Weight: 0.73
Product info last updated on January 26, 2026 9:03am UTC
Category: Pipes, Valves and Fittings