We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Image not available
JOHNS MANVILLEMineral Wool Straight Tube Insulation

JOHNS MANVILLE Pipe Insulation: Tube, Mineral Wool, Slit, 1 1/2 in Thick, 5 1/2 in ID

The Johns Manville Pipe Insulation: Tube is a mineral wool straight tube insulation (SKU 41525, MPN 41525) with a 1 1/2 in thickness, 5 1/2 in ID, and 3 ft length. It is a slit, tan, unfaced type and is plenum rated.

SKU 3G-OTH-655753

Brand
JOHNS MANVILLE
Item
Pipe Insulation: Tube, Mineral Wool, Slit, 1 1/2 in Thick, 5 1/2 in ID
Category
Mineral Wool Straight Tube Insulation
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JOHNS MANVILLE
Manufacturer Part Number
41525
Type
Mineral Wool, Slit, Tan, Unfaced Facing
Lg
3 ft
ID
5 1/2 in
Thick
1 1/2 in
Plenum Rating
Plenum Rated

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

JOHNS MANVILLE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Johns Manville Pipe Insulation: Tube is a mineral wool straight tube insulation (SKU 41525, MPN 41525) with a 1 1/2 in thickness, 5 1/2 in ID, and 3 ft length. It is a slit, tan, unfaced type and is plenum rated.

Frequently Asked Questions

What is Johns Manville 41525 pipe insulation used for?

This mineral wool tube insulation is used for thermal and acoustic control on large-diameter pipes in commercial HVAC, industrial process lines, and plenum-rated air-handling spaces. Its 5 1/2 in ID fits 5 in nominal pipe, and the slit design simplifies installation over existing lines.

What are the specifications of Johns Manville 41525 pipe insulation?

The Johns Manville 41525 is a 3 ft long, 1 1/2 in thick mineral wool tube with a 5 1/2 in inside diameter. It is slit, tan, unfaced, and plenum rated. The manufacturer part number is 41525, and the SKU is 3G-OTH-655753.

Where to buy Johns Manville 41525 pipe insulation worldwide?

3G Electric supplies and delivers the Johns Manville 41525 mineral wool pipe insulation worldwide. We handle full logistics and customs clearance so you receive the correct plenum-rated insulation for your industrial or commercial project, regardless of your location.

How to install Johns Manville 41525 slit pipe insulation?

Open the slit along the length of the tube, place it around the pipe, and secure with appropriate tape or bands. Ensure the insulation is dry and the pipe surface is clean. For plenum-rated applications, verify local code requirements for facing and sealing.

Used in

Common applications for JOHNS MANVILLE
Commercial HVAC — Johns Manville duct wrap (FSK-faced fiberglass) used to insulate supply and return air ducts in office buildings.
Industrial process piping — Johns Manville Thermo-12 Gold calcium silicate insulation applied on high-temperature steam lines in power plants.
Refrigeration systems — Johns Manville fiberglass pipe insulation with vapor retarder used on chilled water lines to prevent condensation.
Manufacturing facilities — Johns Manville duct wrap installed on ventilation ducts in factories to maintain temperature control and reduce energy loss.
Data centers — Johns Manville insulation used on HVAC ductwork to manage cooling efficiency and humidity in server rooms.
Hospitality buildings — Johns Manville duct wrap applied in hotel HVAC systems for thermal comfort and noise reduction.

JOHNS MANVILLE Products

3G Electric supplies JOHNS MANVILLE mineral wool straight tube insulation. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from JOHNS MANVILLE

View all JOHNS MANVILLE parts
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 1 1/2 in Thick, 3 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 41510)
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 2 in Thick, 10 3/4 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 41645)
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 2 in Thick, 6 1/2 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 41625)
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 2 in Thick, 2 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 41600)
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 2 in Thick, 1 3/8 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 41595)
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 1 in Thick, 4 1/2 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 41455)
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 1 1/2 in Thick, 55/64 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 41485)
JOHNS MANVILLE
JOHNS MANVILLE
Pipe Insulation: Tube, Mineral Wool, Slit, 1 in Thick, 1 1/2 in ID, 3 ft Lg, Tan, Unfaced Facing (MPN 534777)