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JOHNS MANVILLE High Temperature Insulation: Calcium Silicate, 4 ft Lg, 4 ft W, 3/4 in Thick - Ceramic Fiber Insulation Boards
JOHNS MANVILLECeramic Fiber Insulation Boards

JOHNS MANVILLE High Temperature Insulation: Calcium Silicate, 4 ft Lg, 4 ft W, 3/4 in Thick

The Johns Manville High Temperature Insulation: Calcium Silicate is a ceramic fiber insulation board (SKU 3G-OTH-742415) measuring 4 ft x 4 ft with a thickness of 3/4 in and a density of 0.77. This product is…

SKU 3G-OTH-742415

Brand
JOHNS MANVILLE
Item
High Temperature Insulation: Calcium Silicate, 4 ft Lg, 4 ft W, 3/4 in Thick
Category
Ceramic Fiber Insulation Boards
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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
638339
Type
4 ft W, 0.77, 4 ft x 4 ft
Lg
4 ft
Thick
3/4 in

Technical Documents

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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-742415) measuring 4 ft x 4 ft with a thickness of 3/4 in and a density of 0.77. This product is designed for high-temperature applications, providing thermal insulation in industrial settings.

Frequently Asked Questions

What is Johns Manville calcium silicate insulation used for?

Johns Manville calcium silicate insulation boards are used for high-temperature thermal insulation in industrial settings such as boilers, furnaces, and piping. They provide reliable heat management in demanding environments.

What are the specifications of Johns Manville 638339 insulation?

The Johns Manville 638339 calcium silicate board measures 4 ft x 4 ft with a thickness of 3/4 in and a density of 0.77. It is designed for high-temperature applications and is part of the ceramic fiber insulation category.

Where to buy Johns Manville high temperature insulation worldwide?

3G Electric supplies Johns Manville high temperature insulation worldwide. We handle full logistics and customs clearance to deliver this calcium silicate board to your facility, ensuring compliance with international shipping requirements.

How to install Johns Manville calcium silicate insulation boards?

Install Johns Manville calcium silicate boards by cutting to size with a carbide-tipped blade, fitting tightly between supports, and sealing joints with high-temperature tape or mastic. Always follow manufacturer guidelines for safe handling and 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.

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.

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