Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant -1 Gallon & Bronze Cedar

I've used so many different stains and waterproofing and by far this is hands down the best ever. It may cost some money but you get what you pay for in this Nano stain and seal. Its amazing

Very easy to apply and dries quickly. Used it on old treated lumber that I power washed and made into a boat dock. Water beads up and the color looks great. How long it last I don’t know.

Love this stuff! I painted my chicken coops and it seems to be keeping the wetness out.

Amateur wood worker. teated lumber has issues with standard paints when the wood is new. Did some research that poly or resin were the best paint solution. Rebuilding the deck I built 25 years ago and one of the issues treated joists deteriorated. I determined I wasn't making that mistake 2x and settled on this product. I ordered the brown color. I applied with a brush but product well suited for a sprayer. Product absorbs quickly and you do want to follow with second coat so ensure your job is divided in the 15 minute time slots for second coat. Because these are joists I did not spend more than a light sanding before application. I really like how the brown tint came out on treated lumber and it appears to protect the wood well from moisture. The product is very easy to apply with a brush and goes a long ways in spite of the two coats. I highly recommend this product on treated wood, in my case I think it will do well as the poly really soaks into the wood. I suspect it will hold up very well, but only time will tell.

Great stuff! Applied to our bare pine ranch table and benches. It goes a long way and the finish is nice, showing the wood grain and color, though slightly milky. You wouldn't know it if I didn't tell you. I light sanded the wood, vacuumed and wiped down with a wet tack cloth. The sealant goes on easily with a brush and a little goes a long way. Didn't use 1/2 gallon to cover a 120" x 40' table and two 108" x 16" benches, top, bottom and legs with two coats! It did require two people to get the second coat down (instructions said to apply second coat when first is damp), as in the Arizona heat, it was drying pretty fast. The ranch table is out on the covered patio and now I can wipe the dust off in minutes. I'm very please with this product.

I've ordered 3 gallons so far. I'm using this to stain the wood deck of a utility trailer. The first gallon was perfect, pitch black and very stain like in terms of consistency. It poured out like water and turned the wood completely black which is what I bought it to do. After realizing I needed more to do a second and even a third coat, I ordered another gallon. This gallon was a much thicker consistency and appeared to be a bluish gray. It had the consistency of paint vs stain. It also did not apply dark at all, and had a gray tint which eventually turned into a dark gray stain. I thought this might just be a bad gallon. I ordered a second gallon which arrived today. The package was crushed and stain was leaking out all over the concrete. The Amazon driver clearly took a picture from an angle of the box that showed no damage. So about 1/4 of the gallon was lost due to leakage. I could instantly tell that the consistency in color was the same as the second gallon I purchased. It's gray blue and very thick compared to the first gallon. I'm very frustrated that I have a trailer taken apart that I can't finish until I get a gallon that is mixed correctly.

Awesome stain! I have never stained anything other than my shirt in my entire life! This stuff is easy to work with and covers well. Although, I will say, it’s kinda unforgiving! Don’t dwell too long! Apply it and spread it continuously. I’ll be buying more for future projects. I did order 2 gallons last time and one of them arrived leaking but I’m pretty sure that’s on the carrier.

This is my fourth time getting this product. The first time I got it, it came with UV protection, which is rare for clear sealants. I LOVE how easy this is to apply, it soaks in like water and just works. I used the UV protection one on my tool shed 4 years ago and till today it hasn't grayed! But then I guess they took that off the shelf, because I thought I bought the same product and sprayed it on my cedar fence the same as my shed, but it's completely grayed now. Bottom line: easy to use, feels really natural and safe to use (no smell and you get a little latex layer on your skin that's easy to scrape off), complete protection from mold and rot, but will not prevent graying anymore. Yes, put the second coat on fast if you're going to. In my experience it hasn't needed multiple coats when you apply the first thick enough. Hey Seal-Once! Bring back the UV protection formula, it really worked and the natural alternatives out there are crazy expensive!

The product was easy to apply, but one needs to be very aware of the 20-30 minute time between first and second coats. Break the deck area down into smaller sections the size that you can apply the first coat in the time period but an area that you will be able to fully reach in order to apply the second coat. I used a brush which allowed me to really work the product in real well to obtain the best penetration on the first coat. My deck is Western Red Cedar which is a very porous and absorbs well so I needed to make sure to apply enough on the first coat to ensure a full penetration seal. The next most critical thing is to keep the leading edge of your application live or you will get a line between the the application stages. I live in the interior of British Columbia in Canada. Winters are long, wet, snowy and cold. Summers are hot and dry. All products that I have used in the past never make it through a single season. I apply them in May - June and they are gone by the end of December. I always have to fully sand and refinish every spring. Claims for Seal-Once Nano + Poly suggest I should get multiple years of use with out refinishing. Only time will tell. I am very hopeful but the jury is still out, as I only just finished the sealing.

Not much to say but awesome product. Be aware, it dries pretty fast and requires you to apply evenly. Overlapping coats that have dried will be noticeable. So No “splash and Dash”! Lol

Seal once brushes on easy and does not change color of wood. What is most satisfying is that when it rains you can see the water just laying on the surface as it will not penetrate wood.

Fantastic product will continue to purchase

Seems to be good. Time will tell. Ordered twice and the wrong color was sent first time but no biggy. Returned it fine and got it right second time. Application was fairly easy and straightforward. Had just enough to brush on 2 coats within an hour of each other. My deck had to be sanded down to bare wood before applying it but will see how durable it is over the next year or so.