10 Best High Heat Paint For Fireplace 2025 in the United States

The POR-15 High Temperature Paint is designed to withstand extreme temperatures up to 1200°F (648.8°C), making it suitable for use on fireplaces and other high-heat surfaces. This paint offers a tough, durable finish that resists weather, salt, and moisture, ensuring long-lasting protection for metal surfaces.

The flat black color provides a classic look, but it appears to be the only color option available, which might be limiting for some users. The oil-based paint requires thorough surface preparation and the application of two coats for the best results. It also needs a 24-hour curing period on the surface before it can handle temperatures above 300°F, which could be considered a lengthy drying time for some projects.

Despite this, the paint's resistance to cracking, chipping, and peeling, along with its UV resistance, makes it a reliable choice for outdoor use. Potential users should be prepared for the detailed preparation process and curing time required for optimal performance.

Rutland's 81V Premium 1400 Degree F Hi-Temp Brush-On Paint is a robust choice for high-heat applications like fireplaces. With a remarkable temperature rating of up to 1400 degrees Fahrenheit, it ensures durability under extreme heat. The flat black finish offers a classic look, though it lacks color variety since only black is available. Application is straightforward with no need for priming, which simplifies the process for users.

The paint is also weather-resistant and suitable for both indoor and outdoor use. One standout feature is its quick drying time of 3 hours, allowing for faster project completion. Additionally, it is UV resistant for up to a year, ensuring lasting performance even under sunlight exposure. A notable convenience is that heat curing is optional, though it will yield the best results if done.

The paint is environmentally friendly, containing no lead, fluorocarbons, or vinyl chloride, and is compliant with California's stringent regulations. However, the semi-gloss finish as labeled might be slightly misleading since the paint is described as flat black in other parts, potentially causing some confusion. The product’s coverage of 100 square feet per can is reasonable, though larger projects may require multiple cans. Weighing just 1.2 pounds, the 16 fl oz can is manageable and easy to use. This paint is ideal for anyone needing a heat-resistant, easy-to-apply solution for metal and masonry surfaces in high-temperature environments.

The Rust-Oleum 248903 Automotive High Heat Spray Paint is a solid choice for anyone looking to repaint or touch up parts of a fireplace that may be exposed to high temperatures. It excels with a very high temperature rating, being able to withstand intermittent temperatures up to 2000°F, which is ideal for areas like exhausts, manifolds, and headers. This makes it highly suitable for fireplaces where high heat resistance is crucial. The finish type is matte, which gives a sleek, modern look to the painted surface, and the color option available here is flat black, a versatile color that can match many different decor styles.

The application method is an easy-to-use spray can with any-angle spray technology, making it effortless to apply even in difficult-to-reach areas or at awkward angles. Additionally, it features a comfort tip to reduce finger fatigue during application. It dries to the touch in 30 minutes, which is relatively fast, though full curing time should be adhered to as per the instructions for the best results. Another strong point is its rust-preventive formula, which resists oil, gas, grease, and environmental elements like rust and salt, ensuring a durable and long-lasting finish.

This product covers up to 10 square feet, which is decent coverage but might require multiple cans for larger projects. This spray paint is highly effective for high-heat applications with added benefits like rust prevention and ease of use, though its coverage might be a limiting factor for very large surfaces.