Stained wood and water repellent

[SaudisLoveAudis]

Hi All,
I hope you are well.
I am preparing timber for my patio and I just use some mahogany wood stain on the timber posts.
On a YT video I saw a man applying a No Nonsense water repellent on top of that. I think it's a good idea but I don't know how to proceed.
I did sand the surface with 240 grid sandpaper between each coat of stain but should I sand it before the repellent / between each coat of repellent?
I think so since the wood stain makes it quite smooth and repellent won't key in properly.
What do you think?
Thank you

 

[^woody^]

The stain is the water repellant.

Aren't your timber posts pressure treated anyway?

 

[SaudisLoveAudis]

Right so the man on YT who did that I think is a master of overkill.

Yes, the posts were pressure treated and tanalised.

 

[^woody^]

OK, the treatment is really the timber protection and will be good for a very long time - decades.

Your stain is primarily aesthetic, it does not increase the life of treated timber.

The water repellent does nothing really - timber grain can open and let water in, but that is not a problem for treated timber. And the way repellent works, it needs to be soaked in to the material, not be on the surface or on top of another product.

So delete that youtuber from your history and mind.

 

[SaudisLoveAudis]

OK, the treatment is really the timber protection and will be good for a very long time - decades.

Your stain is primarily aesthetic, it does not increase the life of treated timber.

The water repellent does nothing really - timber grain can open and let water in, but that is not a problem for treated timber. And the way repellent works, it needs to be soaked in to the material, not be on the surface or on top of another product.

So delete that youtuber from your history and mind.

Yeah, you are right, what I read on the label No Nonsense is primarily for masonry so as you said to soak into the brickwork so it can repel water.
The guy I watched did his pergola but I could see he has all the time and money in the world to do it.