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RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3

Product code: B0FHX3TB19
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3
Description:

RTH-USA RB-40 Fireclay Refractory Bricks offer exceptional thermal insulation and durability, designed to meet the demands of high-temperature environments. Each brick is crafted from natural raw materials and is capable of withstanding temperatures up to 3000°F.

Perfect for lining fireplaces, firepits, pizza ovens, kilns, and wood-burning stoves, these firebricks provide superior resistance to thermal shock and wear. Whether you’re repairing an existing installation or constructing a new one, RB-40 bricks ensure consistent quality and performance.

Packaged in a set of 3 for easy handling and installation, each brick measures 9 inches x 4.5 inches x 1.25 inches, providing versatility across a wide range of projects.

  • High Heat Resistance: Withstands temperatures up to 3000°F, ideal for extreme thermal environments.
  • Durable Construction: Made from premium fireclay for long-lasting performance and thermal shock resistance.
  • Natural Raw Materials: Crafted from natural raw materials with minimal environmental impact.
  • Versatile Applications: Perfect for fireplaces, fire pits, pizza ovens, kilns, wood stoves, and other high-heat installations.
  • Convenient Pack: Includes 3 uniformly sized firebricks (9” x 4.5” x 1.25”) for easy installation and customization.


Product Dimensions: 9 x 4.5 x 1.25 inches
Item Weight: 4 pounds
Item model number: RB-40-3

Product characteristics:
Manufacturer Refrathermica
Brand RTH-USA
Delivery Shipping included
Country of Origin EU
Product reviews RTH-USA RB-40 Fireclay Refractory Bricks - Box of 3:
(5.0)
1 review
Leave feedback
Jack
(5)
14.10.2025
These RB-40 bricks are really good quality — dense, durable, and perfect for building a strong firebox or fireplace structure. I used them in a fireplace project and was impressed by how solid and well-fired they are.My only regret is that I ordered just a 3-brick box to test them out. Now that I’ve seen the quality for myself, I’ll definitely be ordering the full 6-pack boxes next time. Great structural brick that gives your build real strength and longevity.Highly recommend for serious heat and heavy-duty use!
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(5.0)
1 review
28 USD
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MAIN CHARACTERISTICS see all
Manufacturer Refrathermica
Brand RTH-USA
Delivery Shipping included
Country of Origin EU
Brief description of the product see all
Product Dimensions: 9 x 4.5 x 1.25 inches
Item Weight: 4 pounds
Item model number: RB-40-3

RECENT FEEDBACK see all
Jack
(5)
14.10.2025
These RB-40 bricks are really good quality — dense, durable, and perfect for building a strong firebox or fireplace structure. I used them in a fireplace project and was impressed by how solid and well-fired they are.My only regret is that I ordered just a 3-brick box to test them out. Now that I’ve seen the quality for myself, I’ll definitely be ordering the full 6-pack boxes next time. Great structural brick that gives your build real strength and longevity.Highly recommend for serious heat and heavy-duty use!
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