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Customer Projects Half round deck

Subject: Half Round Deck

Date: September 3, 2019

Note: all images can be seen un-cropped in larger versions by clicking on them.

Deck in progress

My deck success! I will be using waterproof trim borders around the pole bases so nothing will show later.

I built this maybe 15 years ago. All curved pieces are six individual boards glued together. So labor intensive. Where I am routing, each board was made from three boards glued together and then put in the jig to dry curved. The railing is doweled and glued into the posts. I had never built anything before so why not start out with a half round deck!

Deck build complete

Deck lifted The 6x6 cedar posts sat right on top of the cedar baords and I sealed no end grains. Sad face..... friends came to help lift it all up at once since it is all doweled together.

Soaking the posts A control stick goes in along side to see what it is doing. Steve suggested putting plastic in the pan. We did that. We raised the plastic that helped raise the level and really coat the insides and lag bolt holes (four per pole). I let it soak for two hours and then dipped them again the following day. (Steve: polyethylene plastic of sufficient thickness as to not tear, and be slipped under, and gathered around a rotted post, and used as a temporary form which has lower waste than a pan. Additionally, a pan may not be able to be slipped under most posts, while a plastic sheet sometimes can.)

I also saturated the floor boards. I didn’t want to be replacing any boards. I wanted all the same age look to the entire deck.

Treating the railingsLook a couple of pictures ahead to see how I constructed the rails. The spacer between the verticals I put an angled taper on and it was not a very deep board. So it looks onset more here. Again, I sealed no end grain, the spacers are rotting because of the caulk not sealing it. And paint keeps popping off the bottom of the rails because it would get wet and stay wet.

I used a detail car wash brush that looks like it has a cotton ball in the end. I saturated all the areas three times. This should seal it up nice!

Railing peaksThe rail system. Note the spacers between the verticals I put points on them so water would run off.

Protective plastic covering Plastic is in place while I dabbed the bottoms of the rails.

Deck board treatmentI lifted all the floor boards and sealed all the end grain three times, being careful not to get epoxy on the top of the boards. All I can say is how grateful I am for gel knee pads!

This board in the center has totally rotted end grain. See following photos where I completely saved it!

Deck board repairs

A shot of my work bench.

Starting to work on the long board.

I ended up with three boards like this... and Done!!

This was the worst pole and flooring in a dark corner that gets no sunshine. Look carefully at the floor boards. I used an air compressor and air nozzle to blow all the bad wood away before I started.

Wax paper, paint sticks and rulers. This turned out perfectly. It should last for years! (Steve: wax paper is fine for non-solvent epoxies like the GP Resin, or Sculpwood products. Polyethylene plastic can be used instead, and is fine for the solvent-added epoxies like the S-1 Sealer.)

Deck post repairs

I put tape around floor boards while filling the floor boards.

Now I am also using plastic spacers from the glass industry to always have an air gap.

Friends return to help me lower it back down. Root beer floats for everyone!!

Now I have to take the air nozzle and blow the paint off the bottom of the rails and seal up the spacers and the boards were the paint keeps peeling.

Thanks for a great product. My deck is saved!!!

I knew these rails would be a lot of work too! When I blow it with an air nozzle and the paint lifts, that is my clue the wood is wet below! Here is the worst areas.

Worst railing tops

Top railing beforeTop railing filled inThis needs to be done one side at a time because of the way I was doing the S-1 product. Now I’m filling the paint that popped off. I use a carbide scraper after to really make it smooth. This afternoon, I hope, I will recreate the peaks now that both sides are filled. This paint always popped because I didn’t seal the undersides of the rails.

Peak rebuilds

Here I am filling the points. I pre-filled the points with the paste just enough to fill the uneven wood, then I put in the putty. I could only work so many at a time. I had to go back and forth trying to get the peaks right. I would overfill them, then go back and work to get them right. So much work!

I dipped a ruler in paint thinner to help smooth out the putty. I thought it would save sanding. I didn’t know at the time how easy it sanded.

After I sanded them, and put the prime coat on, I did do some caulk work to really smooth out the edges and fill tiny holes.

-almost done! Just the green to repaint and nail the base shoes on.


Deck repair completed

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