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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-742402) supplied in 8 ft x 4 ft sheets with a thickness of 3/4 in and a density of 0.77. This product…

SKU 3G-OTH-742402

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

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
684701
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-742402) supplied in 8 ft x 4 ft sheets with a thickness of 3/4 in and a density of 0.77. This product is part of our broader industrial solutions across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is Johns Manville calcium silicate insulation used for?

Johns Manville calcium silicate insulation is used for high-temperature industrial applications such as boilers, furnaces, and piping systems. It provides thermal efficiency and fire protection in demanding environments. 3G Electric supplies this board as part of our broader industrial solutions across 14 departments.

What are the specifications of the Johns Manville 684701 insulation board?

The Johns Manville 684701 calcium silicate board measures 8 ft x 4 ft with a thickness of 3/4 in and a density of 0.77. It is a ceramic fiber insulation board designed for high-temperature service. 3G Electric sources this genuine Johns Manville product for global industrial applications.

Where to buy Johns Manville 684701 insulation worldwide?

3G Electric supplies the Johns Manville 684701 calcium silicate insulation board worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we interpret your demand and deliver genuine parts across 14 departments, including specialist expertise in combustion, pumps, and controls.

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. Ensure the surface is clean and dry. 3G Electric provides sourcing support but recommends consulting the manufacturer's installation guide for specific procedures.

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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