Web“the reduction flame is reducing the oxidation that is caused by the heat, she says. It is erasing the color so you can start over again and reducing it so you can get shapes and. The paint is heat resistant. Webare paints that purport to help regulate the temperature inside your home all they’re cracked up to be? Get the facts on insulating paint here! Webmauro upgrades a 1920’s fireplace by painting the fireplace facing with a high heat paint. To clean out the fire box, mauro vacuums it out with a hepa vac. Webwhen choosing a heat resistant paint for your fireplace, take into consideration what type of surface you need to paint, what conditions it will need to. Webhigh temp paint is resistant to temperatures up to 1200 degrees f. Make sure you apply your paint without any heat around the.