Ceramic Fiber Insulation Board 2300F Rated - Durable High Temp Board

In this review of the Ceramic Fiber Insulation Board the bottom line is simple: this board is for anyone needing a compact, high temperature insulation panel that is easy to trim and fits into existing heating equipment. The reviewer found it most valuable as a replacement baffle or backup lining in wood stoves, kilns, pizza ovens and small forges because of its 2300F maximum use temperature and reasonable density. The board's machinability and OEM-quality feel make it an attractive choice for DIY repairs and shop projects.

Key Features

• Dimensions: The 0.47 in x 18 in x 24 in size is convenient for cutting into custom shapes for internal baffles or small chamber linings.
• High temperature rating: With a maximum used temperature of 2300F this board handles extreme heat as a hot face lining or backup insulation in many heating appliances.
• Density and strength: The 20-24 lb/ft3 density and 78 PSI compressive strength at 25% deformation give the panel enough rigidity for stove and furnace applications.
• Low shrinkage: Permanent linear shrinkage is limited to 3.5% max at 2200F after 24 hours, which helps maintain shape in continuous high-heat use.
• Easy to machine: The board cuts with a hacksaw blade or knife and can be drilled or shaped to match flues, baffles or custom inserts.
• Versatile uses: Suitable for fireplaces, pizza ovens, kilns, forges, furnace hot face linings and heat shields where high temperature insulation is required.

Who It's For

The board is aimed at wood stove and furnace owners, kiln hobbyists and small-shop metalworkers who need a reliable high temperature insulating panel that can be trimmed to size. It works well for people repairing internal baffles, adding backup insulation to refractory brick, or building compact pizza ovens and combustion chambers.

It is less suited for large commercial kilns or applications that require thicker multi-layer insulation systems; professionals running heavy industrial furnaces may prefer engineered refractory assemblies rather than a single 0.47 in board.

Pros & Cons

Pros

• Good heat resistance to 2300F makes it suitable for most hobby and light industrial heat equipment.
• Easy to cut and machine so it adapts to custom repairs and retrofits without specialized tools.
• Reasonable density and compressive strength provide a stable, functional panel for baffles and linings.
• Customers report strong value and fit for purpose when used in stove and oven applications.

Cons

• Board is brittle by nature and can chip if handled roughly during installation.
• At 0.47 in thickness it may be too thin for primary refractory duty in some intense, continuous industrial setups.

Specifications

Brand	SIMOND STORE
Dimensions	0.47 in x 18 in x 24 in
Maximum used temperature	2300F
Density	20 - 24 lb/ft3
Compressive strength	78 PSI at 25% deformation
Permanent linear shrinkage	3.5% max at 2200F, 24 hr soak
Loss on Ignition (LOI)	4-7% at 1832F

Our Verdict

The Ceramic Fiber Insulation Board is a practical, cost-effective choice for homeowners and hobbyists who need a compact, high temperature insulation panel that is easy to cut and fit. It offers a strong combination of heat resistance, workable density and machinability, making it good value for repairs and small builds; avoid it only if you require thicker or heavy industrial refractory solutions.

Frequently Asked Questions

Can this board be cut to fit a stove baffle?
Yes. It cuts cleanly with a hacksaw blade or a sharp knife and can be drilled or shaped to match a stove baffle or internal lining.

Is the board suitable for continuous use at high temperature?
Yes. The maximum used temperature is 2300F and permanent shrinkage is limited, but for continuous heavy industrial duty thicker engineered assemblies may be preferable.

How durable is the panel during installation?
The board has reasonable compressive strength but is brittle by nature, so handle carefully to avoid chipping while cutting and fitting.