Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
JOHNS MANVILLE Ceramic Fiber Insulation Board, 4 ft x 4 ft, 1/2 in Thick - Ceramic Fiber Insulation Boards
JOHNS MANVILLECeramic Fiber Insulation Boards

JOHNS MANVILLE Ceramic Fiber Insulation Board, 4 ft x 4 ft, 1/2 in Thick

The Johns Manville High Temperature Insulation: Calcium Silicate is a ceramic fiber insulation board (SKU 3G-OTH-742407) measuring 4 ft x 4 ft with a thickness of 1/2 in and a density of 0.52. 3G Electric interprets…

SKU 3G-OTH-742407

Brand
JOHNS MANVILLE
Item
Ceramic Fiber Insulation Board, 4 ft x 4 ft, 1/2 in Thick
Part Number
638330
Category
Ceramic Fiber Insulation Boards
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

JOHNS MANVILLE
Manufacturer Part Number
638330
Type
4 ft W, 0.52, 4 ft x 4 ft
Lg
4 ft
Thick
1/2 in

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 High Temperature Insulation: Calcium Silicate is a ceramic fiber insulation board (SKU 3G-OTH-742407) measuring 4 ft x 4 ft with a thickness of 1/2 in and a density of 0.52. 3G Electric interprets demand for this product across 14 industrial departments, with specialist depth in combustion and controls ensuring accurate sourcing and support for thermal management applications.

Frequently Asked Questions

What is Johns Manville calcium silicate insulation used for?

Johns Manville calcium silicate insulation is used for high-temperature thermal management in industrial applications such as boilers, furnaces, and piping. 3G Electric sources this ceramic fiber board across 14 departments, with specialist depth in combustion and controls ensuring accurate support for demanding heat-containment environments.

What are the specifications of Johns Manville 638330 insulation?

The Johns Manville 638330 calcium silicate board measures 4 ft x 4 ft with a thickness of 1/2 in and a density of 0.52. It is a ceramic fiber insulation board designed for high-temperature service. 3G Electric supplies this product globally, leveraging expertise in combustion and controls for thermal applications.

Where to buy Johns Manville 638330 insulation worldwide?

3G Electric supplies Johns Manville 638330 calcium silicate insulation worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret demand and deliver genuine parts across 14 departments, including combustion and controls, ensuring reliable sourcing for your thermal management needs.

How to install Johns Manville calcium silicate insulation boards?

Install Johns Manville calcium silicate boards by cutting to size with a carbide-tipped blade, ensuring a snug fit against the substrate. Use appropriate mechanical fasteners or high-temperature adhesive. 3G Electric provides sourcing and technical support for this product, with specialist knowledge in combustion and controls for optimal thermal performance.

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.
Not sure this is the right part? Photo-identify it

JOHNS MANVILLE Products

3G Electric supplies JOHNS MANVILLE ceramic fiber insulation boards. 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
Ceramic fiber insulation board for high-temperature applications such as boilers, furnaces, and piping systems. Measures 8 ft x 4 ft with a thickness of 3/4 in and a density of 0.77. Provides thermal efficiency and fire protection in demanding environments
JOHNS MANVILLE
Ceramic fiber insulation board for high-temperature applications such as boilers, furnaces, and piping systems. Measures 8 ft x 4 ft with a thickness of 3/4 in and a density of 0.77. Provides thermal efficiency and fire protection in demanding environments
Ceramic fiber insulation board, 12 in length, 12 in width, 1/2 in thickness, density 0.52. Used for thermal insulation in high-temperature industrial applications such as boilers, furnaces, and piping systems
JOHNS MANVILLE
Ceramic fiber insulation board, 12 in length, 12 in width, 1/2 in thickness, density 0.52. Used for thermal insulation in high-temperature industrial applications such as boilers, furnaces, and piping systems
Rigid ceramic fiber insulation board measuring 4 ft x 4 ft with 1 in thickness and 1.03 density. Used for high-temperature thermal insulation in industrial applications such as boilers, pipes, and furnaces
JOHNS MANVILLE
Rigid ceramic fiber insulation board measuring 4 ft x 4 ft with 1 in thickness and 1.03 density. Used for high-temperature thermal insulation in industrial applications such as boilers, pipes, and furnaces

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first