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Super 48 Insulating Cement 50 lb Bag 1900°F Boiler Refractory MFG#1900

SKU: 1900
Weight 54 lbs
Dimensions 20 × 14 × 6 in

$175.52

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$175.520%
5–9$166.745%
10+$157.9710%

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Super 48 Insulating Cement – 50 lb Bag – 1900°F Rated

Super 48 Insulating Cement (MFG# 1900) is a high-temperature, non-asbestos insulating fiber mixture designed for boiler and combustion chamber applications. This dry mix cement adheres to metal, brick, tile, and glass surfaces and is ideal for insulating, sealing, and backfilling high-heat areas.

Rated for temperatures up to 1900°F, Super 48 is commonly used in oil-fired heating systems and chimney applications.


Key Specifications:

  • 50 lb Bag

  • Rated to 1900°F

  • Non-Asbestos Formula

  • Mix with Water Before Application

  • Designed for High-Temperature Insulation


Ideal Applications:

✔ Combustion chamber backfill
✔ Chimney stack sealing
✔ Replacing loose or fallen insulation
✔ Boiler refractory repair
✔ Furnace chamber insulation


Why Use Super 48?

  • Excellent adhesion to multiple surfaces

  • High heat resistance

  • Durable insulating properties

  • Cost-effective repair solution

This product is widely used by HVAC contractors and boiler technicians for high-temperature sealing and insulation applications.

Product details

Part / SKU 1900

Package includes

  • Super 48 Insulating Cement 50 lb Bag 1900°F Boiler Refractory MFG#1900

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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