Keep in mind that heat resistant does not mean flame proof. Anything you spray on the grates will burn off and fill your camper with toxic fumes. I would either go the “scraping on the driveway route“ or just replace the grates to the newer style.
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Rob & Amy
2019 Passport 240BH SL (for sale)
2024 Cougar 29BHL (Taking delivery 5/11/24)
2022 Ford F250 7.3L Godzilla Crew Cab FX4
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