Outdoor Wood Sign for Door

[deirdrebeth]

@ZDS

MDF is not good for outdoors

MDF is not good if it gets wet - it can be outdoors as long as it’ll stay dry.

@ZDS

I’m not really finding answers to my exact project.

It seems you might want to click into more than the first thing that comes up. This, for example:

Can indoor plywood be treated to last outdoors

Really any sealer/paint designed for exterior applications will work (and if you want clear, marine grade varnishes likely the most durable)–but like nearly everything that gets exposed to the elements, expect it to require maintenance & refinishing periodically… And using a filler or end grain sealer may be ideal on the edges–but not sure how that affects clear sealers… But things like Gorilla Glue and cyanoacrylates are often used to finish and seal wood, so might be a quick & fairly easy …

or

Can indoor plywood be treated to last outdoors

Really any sealer/paint designed for exterior applications will work (and if you want clear, marine grade varnishes likely the most durable)–but like nearly everything that gets exposed to the elements, expect it to require maintenance & refinishing periodically… And using a filler or end grain sealer may be ideal on the edges–but not sure how that affects clear sealers… But things like Gorilla Glue and cyanoacrylates are often used to finish and seal wood, so might be a quick & fairly easy …

You really do need to click into the posts and read - not just skim the titles - to get the best use out of this forum!