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best wood filler, exterior

37K views 6 replies 7 participants last post by  cabinetman 
#1 ·
Working on an outdoor project with old seasoned wood, with lots of "Character". What is the best filler out there to fill old knot holes? Must hold up to the elements.
 
#4 ·
wood filler, - bondo

I used automotive Bondo for filler. Recommended in a wood working magazine as an alternative to some of the expensive epoxy fillers.

I cleaned and prepared the wood, used an exterior oil primer, let it dry completly. filled with bondo, sanded and filled again if needed.

Painted again with exterior primer. Then finished with a latex primer and final exterior latex paint.
 
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