winter is coming and the old/original liner/seal on the 773 door is shredded-buying a new one on amazon for $40-but what epoxy sealant do u guys recommend? obviously something that can take the cold-im gonna grind down the existing edges of the door a bit to remove all the old sealant so its nice and clean, but is there any brand u guys like? thanks 4 any info and great forum u got here! -j