Pipe Insulation, 3 ft. L, Mineral Wool, 1 1/2 in Wall MPN:41520
Pipe Insulation, 3 ft. L, Mineral Wool, 1 1/2 in Wall
Protect your pipes from extreme temperatures with Johns Manville's 3 ft. long, 1 1/2 in. thick mineral wool pipe insulation. This rugged insulation features a slit installation style and a tan, unfaced design, making it perfect for applications where a smooth finish is not required. With a high R-value of 6.52 and a maximum operating temperature of 1,200°F, this insulation is ideal for use in high-temperature systems, such as steam or hydronic heating. Suitable for copper tube sizes 4 1/2 in. and pipe sizes 4 in., this insulation is a reliable choice for commercial and industrial applications, including plumbing, HVAC, and industrial piping systems.
Top product features:
- Insulation Material Mineral Wool provides thermal resistance
- R Value 6.52 indicates high thermal insulation performance
- Flame Spread Index 25 reduces risk of fire spread
Top product applications:
- Pipe insulation can be used in commercial and industrial settings to reduce energy costs and improve safety.
- Pipe insulation can be used in residential settings to reduce energy costs and improve comfort in areas such as basements and crawl spaces.
- Pipe insulation can be used in food service and processing applications where high temperatures are involved, such as in commercial kitchens and breweries.
Pipe Insulation, Insulation Material Mineral Wool, Installation Style Slit, Inside Diameter 4 1/2 in, Wall Thickness 1 1/2 in, Overall Length 3 ft, Minimum Operating Temperature 0 Degrees F, Maximum Operating Temperature 1,200 Degrees F, Facing Material Unfaced, Color Tan, R Value 6.52, Form Tube, For Copper Tube Size 4 1/2 in, For Pipe Size 4 in, Flame Spread Index 25, Foam Cell Type Open, Plenum Rating Plenum Rated, Flexibility Rigid, For Tube Outside Diameter 4 1/2 in
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 17 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 7.62
- Package Width: 7.62
- Package Height: 36.50
- Package Weight: 6.20
Product info last updated on May 12, 2026 12:03am UTC
Category: Pipes, Valves and Fittings