Let us know how that works, with photos of your setup, and post it on the Mama Heating Pad thread. Others who have tried the mats weren’t too impressed but if you’ve found a setup that works, by all means share!! No such thing as too much learning!!
Neither are heat lamps, if you come right down to it. We’ve had reports on the MHP thread of chicks being burned by commercial brooder heat plates too, complete with photos.
Look, nothing is fireproof. Nothing. Anything from a phone charger to a coffee pot can start a fire. Shoot, I’m married...