New answers tagged health-and-safety
You don't specify your location. However, a child's play mat, a yoga mat, a good quality carpet underlay, a doormat, or a scrap of high density foam from a dumpster all can serve the need you describe.
Given the direct flame exposure, and that the flames are actually quite a bit hotter than BBQ paint is rated for (1950C for natural gas, 2392C for propane) I'd suggest sticking to clean, coat with vegetable oil (wipe on a thin layer) and bake. This makes a pretty good finish, and does not involve anything that's not going to happen in normal food preparation ...
Yes you can paint them with high heat BBQ grill paint. You can find this paint at any hardware store, walmart or lowes etc. It is rated for 1400 degrees normally. Be aware, however, that the surface in contact with your pans will wear off fairly quickly. I personally would paint the grates, then burnish the paint off where it makes contact with the pans so ...
Yes, the paint on the range grills is only rated to 950 degrees (hence why you aren't suppose to put them in the self cleaning oven).
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