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Aside from aesthetics, for practical reasons alone paint is the best wood finish.

For its long life expectancy alone paint is the best wood finish.

 

With hopefully some rain coming to Cape Town during winter we need gutters!

 

But before we can install gutters, we need to decide on the look of the fascia, the trim board on which the gutter sits on.

 

Paint is generally the longest lasting finish for wood, but we’d like to keep the natural wood look.

 

Apparently there’s a well kept secret for wood treatment: water repellent preservatives (WRP).

 

The U.S. Forest Service did some research on ‘Wood Finishing: Water Repellents and Water-Repellent Preservatives’, pointing out:

“Homeowners can avoid many exterior wood-finishing problems by first treating with a WR or WRP solution to guard against damage to the wood and paint caused by water and by decay and stain fungi (mildew).
WR or WRP treatment of wood is recommended both before painting and also as a natural finish for wood.”

and concludes in their PDF ‘Water Repellents and Water-Repellent Preservatives for Wood’:

“Water-repellent preservatives can be used as natural finishes and can greatly improve the durability and appearance of wood exposed outdoors.
They can also be used as pretreatments prior to the initial painting of wood. The water repellent improves the dimensional stability of the wood, and the preservative improves the mildew resistance of the paint. These properties work in concert to extend the service life of the paint.”

 

So as long as we’re using water repellent preservatives that are paintable, we can start with the WRP wood treatment, and still apply paint later.

 

While this still doesn’t answer the question for us, it gets us a step closer! 😛

 

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