As far as I or anybody else can tell, it's Peel & Seal - cheap roofing rapair stuff you can buy at Lowes for less. Even if it were worth using, it's a poor value considering what it is.whats wrong with fat mat i would like to use raammat or second skin but the price is double and i foud the fat mat works pretty good
FatMat is asphalt. It works poorly and is pretty likely to melt or fall off.
You will get a much better job using less of a better product and you will not have to worry about wasting time, money and possibly ruining your car.