Easiest TIG Pine Treatment
 

Hi All,
Two summers ago, I put up a wall of tongue-in-groove pine on my camp porch, but I've not yet treated it. I was going to do urethane, but I'm wondering what the absolute easiest/longest-lasting treatment would be. On moist summers last the last one, we sometimes get mold/mildew on wooden surfaces, so I know I'll need to clean the boards with a solution (bleach?) before treating, but any tips are welcome.

Thanks!

I am a oil guy. Any of the oil based exterior finish’s will work


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Good old days
 

Many years ago I was painting the inside of a CC cabin cruiser. Yacht paint, I don't recall brand. The old timer in the paint shop at the boat yard taught me to add 1 tablespoon of household ammonia as a mold preventative. That thickened the paint so I thinned it back down with turpentine. The paint was in good shape for many more years, no mold. This was an older boat (1950) without great interior airflow.
The same thing might work with a clear, oil based finish that you might put on your pine wall. Otherwise, I'd stick with a (oil) sealer intended for outdoor use. Keeping varnish looking good can be a chore every few years.

Long-lasting isn't likely to come into play.
A wall generally takes less UV than a deck, and with a porch, the overhang protects even more.

Way back in the last millennium I built a log vacation home.

The log home company seemed to have the goal of selling as many board feet of wood as possible so the partition walls were all clad with 6" tung and groove pine.

All the wood got a coat of polyurethane.

We enjoyed the home for about 12 years and then sold it.

As we loaded up our personal belongs we started to remove wall hangings.

The wood behind the wall hangings was much lighter than the surrounding wood.

I can compare it to an apple that has a four hour old bite and a fresh bite.

At that moment we decided that the wall hangings added too much to the decor to take them away!

;)

Hands down these are the best products I've found....

https://www.ppgpaints.com/products?p...vailability=us

That happened to us too. The water based keeps it much lighter over years than the oil used to do.