Steve in CO
TVWBB Member
There is this product. They also have a "Pro" model that is 3/8" thick. They also seem to be open to custom sizing.
Flat Top For Outdoor Grill
What's Cool Bring your joy of flat top cooking to the Great Outdoors with this special version of the Flat Top designed specifically for outdoor propane and charcoal grills. Inheriting many of the best design features from the original indoor Flat Top, this version comes in a more grill friendly...
steelmadeusa.com