ive never used it for alpine skis, but ive used it for some nordic skis. i assume if you got a lot of it you could use it for a box, but i think there are probably easier alternatives. p-tex (as ive used is) is this stick that you burn and it melts. as it melts, you drip it onto the thing which you want to p-tex. i guess if you got a lot you could cover a box with it but good luck
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Formerly NOFXpunkAF
Representing the KPP