>>1635756it comes with their own sealant but later down the line when I run out of the one they provided i'll probably get some gearaid sealant or any silicone based one for that matter. The stove is perfectly fine desu so dont worry about the warp. Once you've set in the screws into the box then everything will fit perfectly snug. also no issues with melting the tent, the stove jack provides a pretty damn good insulator which prevents it from touching any of the tent material provided youre not a fucking retard when making the tent cutout for the jack.