We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
JOHNS MANVILLE Ceramic Fiber Insulation Board 4 ft x 4 ft x 1 in, 1.03 Density - Ceramic Fiber Insulation Boards
JOHNS MANVILLECeramic Fiber Insulation Boards

JOHNS MANVILLE Ceramic Fiber Insulation Board 4 ft x 4 ft x 1 in, 1.03 Density

3G Electric supplies the Johns Manville High Temperature Insulation: Calcium Silicate, a ceramic fiber insulation board (SKU 638327, MPN 638327) measuring 4 ft x 4 ft with a 1 in thickness and a density of 1.03. We…

SKU 3G-OTH-742408

Brand
JOHNS MANVILLE
Item
Ceramic Fiber Insulation Board 4 ft x 4 ft x 1 in, 1.03 Density
Part Number
638327
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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Required — additional freight charges may applyThis item requires special shipping, additional charges may apply.

Technical Specifications

JOHNS MANVILLE
Manufacturer Part Number
638327
Type
4 ft W, 1.03, 4 ft x 4 ft
Lg
4 ft
Form
Board
Thick
1 in
UNSPSC
31371001
Density
55 lb/cu ft
R Value
1.03
Standards
ASTM C656; C795; E119; E136; E72; E84; NFPA251; UL 1479; UL 1709; UL 263
Thickness
1 in Thickness The thickness of the insulation measured in inches. In general, the thicker the insulation, the greater the insulation effectiveness and the higher the R-value.
Catalog Page
N/A
Overall Width
4 ft
Foam Cell Type
Closed Foam Cell Type The cell structure of the foam insulation.
Overall Length
4 ft
Facing Material
Unfaced
Insulation Color
White
Country of Origin
USA (subject to change)
Insulation Material
Calcium Silicate
Product Description
Ceramic fiber insulation boards are lightweight, rigid, and easy to cut. They are stronger than insulation blankets and wraps, and have high-compression strength.
Water Vapor Absorption
Minimal
Maximum Use Temperature
1,700 °F
Minimum Operating Temperature
0 °F

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

3G Electric supplies the Johns Manville High Temperature Insulation: Calcium Silicate, a ceramic fiber insulation board (SKU 638327, MPN 638327) measuring 4 ft x 4 ft with a 1 in thickness and a density of 1.03. We interpret your thermal insulation requirements, source this specific product, provide a competitive quote, and support your facility's needs across 14 industrial departments — with specialist depth in combustion, pumps, and controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is Johns Manville calcium silicate insulation used for?

Johns Manville calcium silicate insulation is used for high-temperature thermal insulation in industrial applications such as boilers, pipes, and furnaces. It provides fire resistance and energy efficiency in facilities requiring durable, rigid board insulation up to 1200°F.

What are the specifications of Johns Manville 638327 insulation board?

The Johns Manville 638327 calcium silicate board measures 4 ft x 4 ft with a 1 in thickness and a density of 1.03. It is a rigid ceramic fiber insulation board designed for high-temperature environments, supplied by 3G Electric as SKU 638327.

Where to buy Johns Manville 638327 insulation worldwide?

3G Electric supplies the Johns Manville 638327 calcium silicate insulation board worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a competitive quote and lead time on this high-temperature insulation product.

How to install Johns Manville calcium silicate insulation boards?

Install Johns Manville calcium silicate boards by cutting to size with a carbide-tipped saw, fitting tightly between supports, and securing with mechanical fasteners or adhesive. Ensure surfaces are clean and dry. Follow standard industrial insulation practices for high-temperature applications.

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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first