Custom Cut Ceramic Glass

Ceramic vs. Tempered Glass: A Detailed Comparison

While both are safety glasses, ceramic and tempered glass are designed for very different thermal applications. Understanding the difference is key to the safe operation of your heating appliance.

• Thermal Shock Resistance: This is the most significant difference. Ceramic glass has a near-zero coefficient of thermal expansion, meaning it won't expand or contract with temperature changes. It is engineered to withstand continuous temperatures exceeding 1400°F (760°C), making it the only safe choice for wood stoves, coal stoves, and fireplace inserts where the glass is close to the flame. Tempered glass, while strong, can only handle temperatures up to about 400-500°F. It is heat-treated for strength, and its 400-degree F thermal shock rating is high enough for glass fireplace screens where there is a 4 to 6-inch clearance from the grate. However, any sudden temperature change faster than 400 degrees or direct contact with flame will cause it to shatter into small bits. For high-heat applications, browse our Fireplace Glass Replacement guide to ensure you select the correct material.
• Application: Use ceramic glass for any appliance where you are burning wood, coal, or pellets. Use tempered glass for the outer doors of some gas fireplaces or screens, where the glass is purely a safety barrier from moderate heat.
• Appearance: Ceramic glass and tempered glass look very similar, though ceramic glass often has a slight amber tint. You can often identify them by their breakage pattern: if the glass is tempered, it will be completely shattered into small fragments, whereas ceramic glass breaks into larger chunks or shards. For more help identifying your needs, view our technical Resources page.

Common Use Cases for Ceramic Glass

Ceramic glass is the industry standard for high-temperature applications. Its reliability and safety make it essential for:

• Wood Stove Doors: The primary application, where it contains the fire and radiates heat safely into the room.
• Coal Stove Doors: Easily handles the intense, prolonged heat generated by burning coal.
• High-Efficiency Fireplace Inserts: Used in modern, airtight fireplace inserts to maximize heat and efficiency.
• Gas Stoves: Many high-output gas stoves also require ceramic glass due to the intense, direct heat they produce.

Why Choose Our Ceramic Glass

• Custom Cut in the USA: We cut and process your glass right here in our Quincy, IL facility to your exact specifications.
• Arched & Specialty Shapes: We can custom-cut glass to your provided template, regardless of the contour, including arched fireplace door glass.
• Manufacturer Direct: Because we are the manufacturer, we can get your Ceramic Glass cut and out the door in 1-2 business days.
• Extreme Heat Resistance – Withstands up to 1,470°F without cracking.
• Thermal Shock Protection – Built to endure rapid temperature changes.
• Durable 5mm Thickness – Strong enough for daily use, yet crystal clear.
• Amber Tint for Warm Glow – Enhances firelight viewing.
• Perfect Fit Guarantee – Guaranteed to match your order specifications.

Compatible With

• Wood stoves & inserts
• Pellet stoves & inserts
• Coal stoves & inserts
• Gas Fireplaces: Most newer gas fireplaces use ceramic glass because of higher output temperatures and higher efficiencies.
• Direct Vent & Masonry: Suitable for direct vent fireplace door glass and masonry door glass to help solve drafting or venting problems.
• Outdoor Use: Our ceramic glass materials allow you to use your outdoor fireplace without worrying about the glass breaking with changing seasons.

High-Heat Brands: Engineered for brands with high thermal demands like Hearth & Home Technologies (HHT).

Not For: Cooktops, factory-built fireplaces, or prefab units not rated for ceramic glass.

How to Measure for Custom Cut Glass

1. Remove your old glass (if possible) for the most accurate measurement.
2. Use a metal tape measure for precision.
3. If you do not have the old glass, subtract at least 1/8" from both width and height of the frame size to allow for heat expansion.
4. Double-check dimensions before ordering custom-cut items are non-returnable. To ensure a proper fit, measure to the nearest 1/16" and subtract 1/8" from both the height and width to allow for thermal expansion. If your unit requires specialized seals after glass installation, visit our Gaskets collection.

Installation & Care Tips

• Do not overtighten mounting hardware—metal expands with heat and can crack the glass.
• Burn dry wood and keep a hot fire once daily to minimize soot buildup.
• Avoid impacts—heat won’t break ceramic glass, but force will.

Specifications

• Material: Pyroceram® heat-resistant ceramic glass
• Thickness: 5mm (3/16")
• Temperature rating: Up to 1,470°F
• Max size: 32" width or height

Warranty
We guarantee your glass will arrive unbroken and cut to your exact specifications. Report any discrepancies within 30 days of your order date. Custom-cut items are non-returnable unless they do not meet your provided specifications.

Order Today
Get the perfect fit, superior durability, and peace of mind with our custom-cut Pyroceram® glass. Start by entering your measurements above and we’ll precision-cut your new panel for safe, lasting performance.