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🔥 Insulate like a pro — stay cool while handling the heat!
SIMOND STORE Ceramic Fiber Insulation Board is a high-density, aluminosilicate refractory board designed to withstand extreme temperatures up to 2300°F. Measuring 1" x 18" x 24", it offers excellent compressive strength and minimal shrinkage, making it perfect for insulating wood stoves, fireplaces, kilns, pizza ovens, and more. Easily cut and machined, this versatile board delivers professional-grade fire protection and thermal insulation for your high-heat projects.











| ASIN | B07H1HSXD3 |
| Best Sellers Rank | #55,598 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #46 in Firing Accessories |
| Brand | SIMOND STORE |
| Brand Name | SIMOND STORE |
| Coverage | 432 square inches (R-value 4.5) |
| Customer Reviews | 4.5 out of 5 stars 232 Reviews |
| Included Components | Ceramic Fiber Board |
| Item Dimensions L x W | 24"L x 18"W |
| Item Thickness | 1 inches |
| Item Type Name | Ceramic Fiber Board |
| Manufacturer | SIMOND STORE |
| Manufacturer Part Number | V4-1824 |
| Material | Ceramic |
| Material Type | Ceramic |
| Model Number | V4-1824 |
| Number of Items | 1 |
| Product Dimensions | 24"L x 18"W |
| Recommended Uses For Product | Stoves, Fireplaces, Pizza Ovens, Kilns, Forges, Furnaces, Boilers, Heat Shields, Combustion Chambers, and Fire Protection Recommended Uses For Product Stoves, Fireplaces, Pizza Ovens, Kilns, Forges, Furnaces, Boilers, Heat Shields, Combustion Chambers, and Fire Protection See more |
C**H
Ceramic stone
Why did you pick this product vs others?: Price was good Works well: Excellent. Perfect size for my portable heater. Durability: Solid.
A**G
Excellent
Purchased two years ago for a very reasonable price, I just recently installed this. Product size is as described, high density and good quality ceramic board. For my project, it needed to be cut to fit which was easily done leaving clean edges and corners using only a sharp razor blade. Have not used yet but hope it has a good life span as it is a laminated product.
L**S
Good quality
The old heat shield wore out in the top of the wood stove and we have replaced it several times in the past. The thickness and quality is perfect for the stove and is working well. It arrived earlier than expected, too.
J**.
Great product, may have answer to those who have issues.
I rent a cabin that has not been well maintained which extends to the firebox of the fireplace. The back of the firebox seriously looked like someone had taken a sledge hammer to it--cracked firebrick, loose mortar, the works. The sides of the firebox are made of metal, part of an old heat exchanger I'm guessing. I tried to use a Rutland refractory mortar to re-parge the firebox to give a safe, crack-free lining and it worked to some extent but I couldn't fully trust it. So I decided to line the rear of the firebox with this product as a shield over the cracked rear wall. I think of this product like the refractory tiles on the space shuttle--highly resistant to heat but quite fragile. So rather than simply cut it to shape (which is super-easy since the foamy silica cuts like butter) and anchor it in place, I built a metal frame out of angle iron that attaches to the back of my andirons. So two vertical 1.25" angle irons spaced about 12" apart (see photo) that create a frame to hold the silica sheet so it's neither under any pressure nor subject to impact from shifting logs. This way, when I toss a log in, the angle iron, which is resting against the actual back of the firebox with this product kind of sandwiched between the iron and the firebox wall, takes the impact and the silica never gets touched. Sure, if I get overly rambunctious with my poker, I might make a dent in the silica sheet, it's not a big deal. As for those who complain that the product crumbles or falls apart quickly, I wonder if that's an issue with shipping and not the product--if the sheet where to have something heavy placed on it so it flexed and developed internal fractures, it would surely disintegrate under any additional stress. The packaging on mine was well-designed and the sheet arrived unblemished and certainly is holding up well but then I handled it with care, never applied any flexing forces, and it's very well-supported in the firebox.
A**O
A good replacement board
It went on fine and keeps heat in. Trimming is easy and it does not come apart easily which aids in positioning.
K**Y
Was hesitant, but worked well!
Was hesitant to use to replace old broken steel baffle, but have been using it for a year now and have no issues. Will use to replace wood stove baffle again
O**D
Well packaged
Well packaged. Cuts easily. Did not break apart easily. Very happy!
L**E
Great alternative to buying the Raypac specific option
Required cutting to fit my Raypac 266, but this was much cheaper option. Make sure you are very precise with your cuts.
B**H
can easily cut it to size on table saw.
it worked awesome , great quality. i had to trim it to fit my wood stove but i bought it over size on purpose because i was unable to find one that fit my application. bu it worked out perfectly.
S**E
Excellent product.
Perfect for my woodstove , easy to cut to size , great quality piece. The packaging was phenomenal on this product. I’d recommend this if you need a piece for your fire place or woodstove.
P**B
Baffle replacement
Used this to replace a broke baffle in our wood stove. Easy to cut using an exacto knife, just take a lot of gentle passes to make sure it doesn’t break. Packaging was excellent, really happy with the product
T**R
Fantastic
Came packaged nicely and cuts super easy
P**K
Good replacement
Exactly what I needed to replace my broken original one
Trustpilot
2 weeks ago
1 day ago