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Lynn Manufacturing

Lynn Manufacturing Insulating Fire Brick, Heat Insulation Block, Low Thermal Conductivity, 2.5" x 4.5" x 9", Pack of 4, 2600F-Rated, for Kilns, Forges, Furnaces, Soldering, 3126R

    • Based on 588 reviews
Condition: New
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Availability: Only 7 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, Apr 28
Order within 6 hours and 3 minutes
Available payment plans shown during checkout

Color: 2600f Rated


Size: 4 Pack


Features

  • Great insulator with low thermal conductivity and very low weight
  • Easy to shape, cut, and carve with wood working tools
  • Used for kilns, forges, furnaces, knife making, PMC metal clay firing, jewelry casting, or jewelry soldering block
  • Specifications: 2600F rated, weight 2.7lbs., 9" x 4.5" x 2.5, alumina silica refractory ceramic clay brick
  • Well packed in bubble wrap to ensure delivery in good condition

Package Dimensions: 13.03 x 12.36 x 5.12 inches


Item Weight: 8.8 pounds


Manufacturer: Lynn Manufacturing


Date First Available: February 20, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Apr 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Hey, it's just a fire brick.
Color: 2300f Rated Size: 1 Single
I am a silversmith. Fire bricks are a necessary, low-tech part of my studio. I arrange them into a U shape to make a sort of kiln to contain the heat when I'm soldering. Amazon is a good source for fire bricks, and with Prime there's no shipping charge.
Reviewed in the United States 🇺🇸 on December 25, 2022 by Robin G.
    • Worked good for forge.
Liked for forge. Need to be gentle, until cemented together. Not like red brick at all ! Cutting them, make SURE u wear a mask ! Very dusty, unless you possess a wet saw.
Reviewed in the United States 🇺🇸 on October 11, 2022 by Jcp9999
    • Well packaged Oct 2021
Color: 3000f Rated Size: 12 Pack
Review Image by Abernathy
It appears the seller has taken note of the reviews re: broken bricks. I ordered a pack of 12 (3000F) and they arrived exceptionally well-packed — box was from Lynn Manufacturing, (the manufacturer) — not from Amazon. As to the cancer warning: DUH. There is not a single refractory firebrick or insulation of ANY high-temperature rating that doesn’t have a silicosis risk. If the brick is fired (and rated) above 2100°F, that’s in the range where amorphous silica can convert to cristobalite crystals… even if you buy “biosoluble” kaolin-based insulation and fire it that high *yourself.* If you can’t accept that tiny risk, then please stop whatever high-temp (>2100°F) activity you’re doing, because there’s no thermally-safe insulative material that is completely biologically-safe to inhale. As one other reviewer said: just don’t breathe the dust. Treat it like you would fiberglass insulation — which is also a respiratory cancer risk. […if you read the California prop 65 cancer warnings, EVERYTHING contains “substances known to the state of California to cause cancer” — including innocuous materials like stainless steel and even pure organic coffee...even though coffee can be a cancer preventative. Literally everything can cause cancer in a lab rat force-fed a substance in quantities many times it’s own bodyweight.] But I digress. Just be reasonable and responsible with material-handling and rest easy. You’re fine; and this is a good quality product for a fair price. (I can only speak to the integrity of the more-dense 3000F bricks that I ordered, but, there’s not a single broken or chipped brick in the box.) ... show more
Reviewed in the United States 🇺🇸 on October 11, 2021 by Abernathy
    • Good quality and easy to cut
Color: 3000f Rated Size: 1 Single
Used to replace broken brick in our forge, worked well.
Reviewed in the United States 🇺🇸 on September 28, 2022 by Swc103
    • Excellent Follow Up
Color: 2300f Rated Size: 1 Single
There was a problem with the order I received (i.e. wrong size) and after contacting Lynn Mfg, they sent a replacement directly to my house. Absolutely great customer service! I haven't used the order yet but I know it will work perfectly for my needs.
Reviewed in the United States 🇺🇸 on May 16, 2022 by John R.
    • Use to absorb heat from microwave kiln
Color: 2300f Rated Size: 1 Single
I fuse glass in a microwave kiln. I put my kiln on this brick after it's been fired so my bench doesn't catch on fire. Used four times already and no issues!
Reviewed in the United States 🇺🇸 on May 30, 2022 by AK
    • Best firebrick I have ever had
Color: 2600f Rated Size: 4 Pack
Review Image by Ryan Gersten
Review Image by Ryan Gersten
These bricks are absolutely perfect for electric furnaces. The inside temperature of my furnace was around 800 degrees Fahrenheit while the outside was around 100 degrees Fahrenheit. When placed right these bricks out perform standard fireplace bricks. From experience with these kind of bricks, they can be glowing orange on one side and be in your hand on the other side. ... show more
Reviewed in the United States 🇺🇸 on February 22, 2022 by Ryan Gersten
    • Looks good
Color: 2300f Rated Size: 12 Pack
Review Image by Chassit
Little worried about broken bricks/corners but packed really well and everything looks great! Bought the twelve pack, comes out to 10 a brick which is the best deal I've seen so far..
Reviewed in the United States 🇺🇸 on April 3, 2022 by Chassit

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