Reply by Kjkroll

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Posted on Finish for outdoor acx work top

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2 posts in 1037 days

#1 posted 12-21-2017 03:29 PM

this is how we treat ACX in the boating world for decks, floors, boxes, etc.

mix up as much as you need for two penetrating coats – front, back and all the edges. 24 hours apart.
then a coat of oil based house primer and a couple of coats of your favorite oil based house paint.
equal coats of everything front and back will prevent warping

and as for the saw cuts, kerf marks and general use scrapes and scratches, recoat the panel every few weeks or so.
try to remember to CUT ON THE BACK SIDE of the panel – not the pretty show side.
once water gets into plywood from cuts and scrapes, the damage is pretty much done and “could possibly”
start to warp and do ugly things. so try to keep all wounds on the underside sealed as much as possible.
when it has served its time – replace it.

just an option to consider with the other contributions.

- John Smith

Thanks john very detailed much appreciated!

Exterior paint?

- LittleShaver

Honestly never thought of painting ha. Maybe best option. Thank you sir

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