Nordsjö Professional Exterior Super Filler

Nordsjö Professional Exterior Super Filler is an ideal product for indoors and outdoors, it effortlessly fills holes up to 10cm deep.
prep-productions.com // 1300 799 432 // [e-mail]

[@gala86]

Is the Super filler water resistant or water proof? I could not find anything about weather resistance other than the obvious that it says it is for exterior application. Does it always require painting?