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JOHNS MANVILLE High Temperature Insulation: Calcium Silicate, 4 ft Lg, 8 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, 8 ft W, 3/4 in Thick

The Johns Manville High Temperature Insulation: Calcium Silicate is a ceramic fiber insulation board (SKU 3G-OTH-742397) supplied in 8 ft x 4 ft sheets with a 3/4 in thickness and a density of 0.77. This product is…

SKU 3G-OTH-742397

Brand
JOHNS MANVILLE
Item
High Temperature Insulation: Calcium Silicate, 4 ft Lg, 8 ft W, 3/4 in Thick
Category
Ceramic Fiber Insulation Boards
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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
638340
Type
8 ft W, 0.77, 8 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-742397) supplied in 8 ft x 4 ft sheets with a 3/4 in thickness and a density of 0.77. This product is part of our curated industrial solutions across 14 departments, with specialist depth in combustion and controls to support your thermal management needs.

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 processes, such as boilers, furnaces, and piping. It provides reliable heat retention and fire protection across demanding environments.

What are the specifications of Johns Manville 638340 insulation?

The Johns Manville 638340 calcium silicate insulation board measures 8 ft x 4 ft with a 3/4 in thickness and a density of 0.77. It is supplied as a ceramic fiber insulation board, SKU 19NE50, suitable for high-temperature applications.

Where to buy Johns Manville calcium silicate insulation worldwide?

3G Electric supplies Johns Manville calcium silicate insulation worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this product to support your thermal management needs across 14 departments.

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 adhesive rated for high temperatures, and seal joints with compatible tape or mastic to prevent heat loss.

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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