is this board hard like plywood? or something soft and bending?

It is soft compare to plywood. It will break while bending.

Would this be safe in an oven that can reach 900 deg for 1 hour and stays at 600 deg for up to 24 hours. If it is insulating against concrete?

1/2" Ceramic fiber board is safe but to reach ambient temperature in cold face 1" (25mm) thickness board would be suggested.

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Ceramic Fiber Board, 1/2" x 19.7" x 39.4", 2300F, Pack of 1

Product ID: 47164441

Details

Brand
SIMOND STORE
Item Thickness
0.5 inches
Material
Ceramic
Product Dimensions
39.4"L x

💪78 PSI compressive strength

📏1/2" x 19.7" x 39.4" precise dimensions

🔥2300°F max heat resistance

€ 248.03

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Elevate your heat game with SIMOND’s ceramic fiber board — where fire meets finesse!

PRECISION CUT READY - Easily cut, drilled, and shaped to fit your custom stove, kiln, or forge projects.
LIGHTWEIGHT MANAGEABLE - At just 8 lbs, it’s easy to handle without compromising on performance.
UNMATCHED HEAT ENDURANCE - Withstands blazing temperatures up to 2300°F, perfect for high-heat environments.
VERSATILE THERMAL SHIELD - Ideal for wood stoves, pizza ovens, fireplaces, kilns, and more—your all-in-one heat barrier.
ROBUST STRUCTURAL INTEGRITY - High compressive strength ensures durability under intense thermal stress.

The SIMOND STORE Ceramic Fiber Board is a high-performance thermal insulation panel designed to withstand extreme temperatures up to 2300°F. Measuring 1/2 inch thick and nearly 20 by 40 inches, it offers excellent compressive strength (78 PSI) and minimal shrinkage, making it ideal for wood stoves, pizza ovens, kilns, and fireplaces. Lightweight and easy to cut, this aluminosilicate refractory board provides reliable, versatile heat protection for professional and DIY applications alike.

Specifications

ASIN	B01BWHP220
Best Sellers Rank	#117,785 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #141 in Firing Accessories
Brand Name	SIMOND STORE
Coverage	775.78 square inches (for a single board)
Customer Reviews	4.4 4.4 out of 5 stars (114)
Included Components	Ceramic Fiber Board
Item Dimensions L x W	39.4"L x 19.7"W
Item Highlight	Baffle Board for Stove, Fireplace, Forge, Kiln, Furnace, Boiler, Pizza Oven
Item Thickness	0.5 inches
Item Type Name	Ceramic Fiber Board
Item Weight	8 pounds
Manufacturer	SIMOND STORE
Manufacturer Part Number	V2
Material Type	Ceramic
Number of Items	1
Number of Packs	1
Recommended Uses For Product	Wood Stoves, Fireplaces, Pizza Ovens, Kilns, Forges, Internal Baffle of Wood Stove, Pellet Stoves, Backup Insulation of Refractory Bricks, Castable Linings, Furnace Hot Face Linings, Boiler Wall Insulation, Heat Shields, Combustion Chambers, Fire Protection
UPC	816183020083
Unit Count	1 Count

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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