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Lynn Manufacturing

Lynn Manufacturing Ceramic Fiber Board Insulation, 2300F-Rated, 20" x 20" x 3/4", Pack of 2, for Boiler, Stove, Forge, Kiln, Baffle Board, 1023

    • Based on 268 reviews
Condition: New
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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Thursday, Nov 28
Order within 13 hours and 7 minutes
Available payment plans shown during checkout

Size: 3/4" x 20" x 20"


Features

  • PRODUCT INFO: Vacuum cast ceramic fiber refractory board rated to 2300 degrees Fahrenheit. 16 lbs/ft3 density. Material has low thermal conductivity, low thermal mass and resists thermal shock.
  • USES: This high temperature board is used to repair or build combustion chambers or fireboxes in oil, gas or wood fired boilers and furnaces. Commonly used to make target walls, front plates and floor insulation. Can be easily cut with a knife or hacksaw. Can be drilled or machined. This product also has many other uses including wood stoves, forges, kilns and evaporators.
  • DIMENSIONS: 20 x 20 x 3/4 (2 Pcs/Pkg). Many other sizes available, see Lynn items 1019, 1021, 1022, 1063.
  • Made in the USA by Lynn Manufacturing, Inc.

Product Dimensions: 21 x 21 x 2.9 inches


Item Weight: 7.24 pounds


Manufacturer: Lynn Manufacturing


Is Discontinued By Manufacturer: No


Batteries Required?: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Nov 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.

  • Klarna Financing
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  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Good Value but...
Size: 3/4" x 24" x 15"
I ordered 3 boxes total 6 pieces but materials on the one box is totally different then others. It was little thinner and tougher than others. I had to use different materials to lay all even on the base of my oven.
Reviewed in the United States 🇺🇸 on July 27, 2022 by yvzydn
    • Great
Size: 1" x 36"x 24"
Used 2 of them to replace a kiln floor. Haven’t fired it yet.
Reviewed in the United States 🇺🇸 on June 28, 2022 by Gary Mach
    • Safety and protection
Size: 3/4" x 24" x 15"
I installed a fireplace mantel. I'm a mom and grandma, and don't have any experience in building or mantel installation. After the installation was complete I found out that the mantle had to be raised up11" from the opening for every 2" it stuck out. I was not going to undo all my work so I found this board rated to withstand high temperatures. I affixed it to the bottom of the mantel and it has worked wonderfully. ... show more
Reviewed in the United States 🇺🇸 on March 16, 2022 by Kat
    • Received as advertised and as scheduled
Size: 3/4" x 24" x 15"
Received as advertised and as scheduled
Reviewed in the United States 🇺🇸 on February 28, 2022 by John Garcia
    • Crumbled
Size: 3/4" x 24" x 15"
The boards crumbled! I live in Florida, and I can only assume it was the humidity that caused them to weaken and crack and crumble. I am so disappointed... I have to buy something else now, as they are now unusable.
Reviewed in the United States 🇺🇸 on September 20, 2022 by Amazon Customer
    • Great for my woodstove
Size: 3/4" x 24" x 15"
I made my own firewalls to replace broken firebricks in my woodstove. This product worked great.
Reviewed in the United States 🇺🇸 on December 18, 2021 by Reg Clarkson
    • Just what l wanted
Size: 3/4" x 24" x 15"
Wood burning stove
Reviewed in the United States 🇺🇸 on April 22, 2022 by Delbert Love
    • Great replacement for wood stove
Size: 3/4" x 20" x 20"
Great replacement for wood stove ! Great products and fast shipping highly recommend!
Reviewed in the United States 🇺🇸 on February 20, 2022 by ron

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