After the poly have dried and harden for a week, it's time to start mounting the hardware back on the hull. A very tedious task since all Riva hardware is through hull bolted. Most of the hardware was in great condition, and some pieces had to be re-chomed. Took the siren to the US for repair by the good people at www.sirenman.com.
So... Where did all these go??
New interior panels are made.
Tuesday, September 1, 2015
Getting there.....
The last coat is laid down. This time I did not tip with a foam brush. Just rolled on a fine, even layer with a high end roller, resisting the temptation to go back and re-touch, and the poly flows out very nice and even. Through vacuumed and cleaned the shop, laid down water on the floor for two days, wearing well washed and lint free clothing.
Very happy with the finish. All the zebra stripes from the old finish is gone.
The poly-urethane flows out very nice by letting the finish flaten out from the roller without "tipping".
Very happy with the finish. All the zebra stripes from the old finish is gone.
The poly-urethane flows out very nice by letting the finish flaten out from the roller without "tipping".
Water line stripes
The infamous last coat is getting close, and I want to paint the double 18 mm white water lines first. Spent hours in the dark lining the laser up with the original marks at the bow and stern.
Taped up, ready for paint.
I also installed the cockpit foam and vinyl trim before the last coat. Don't want any scratches!
Engine installed.
Final sanding, and ready for last coat!
Poly - Poly - Poly....
After research and the availability in Norway, I choose the use Epifanes 2-component Poly-Urethane finish for my boat. It is a hard finish that works very well on boats with laminated hull sides and deck. The finish would be too hard for a solid wood planked boat.
The finish goes on very nice with the roll and tip method. However this IS a 2-comp finish and has a very strong and harmfull fumes. Respirator is needed, and the odor will stay in your shop for a while. Heavy ventilation is needed after the coat is dust dry.
With this finish you can recoat new layer without sanding between, but before the finish harden. My method of laying the layers was three coats, within 20-24 hours of each other, wait 48 hours sand with 320 paper and repeat.
The color and depth of the mahogany comes alive. Coat number 6..
New finish
With the new bottom installed, boat flipped back up, it's time to remove layers and years of old finish. Tried some chemical options, without any luck or good results. The only thing working is elbow grease, scraper and a heat gun.
The screws for the sides at the shear lines had given up years ago. Removed all screws, plugged holes, clamped down, new silicon bronze screw and bungs.
Hull sides and deck sanded down with long boards for a fair and even finish.
After the last sanding, the sides are ready for bleaching.
Bleaching and staining.
There was a a lot of water damage, and black stains from the glue used during the lamination process, so I opted to bleach the hull sides with a two part wood bleach before re-staining the hull with Stoppani Pasta Mogana stain.
After applying the bleach, the wood got dull and chalky. But it removed most of the stains, and reduced the "zebra" stripes dramatically. My hope is that the stain will cover the remaining.
Fairly happy with the staining job. The Stoppani Pasta Mogana is a paste type stain, and must be thinned down to your liking. There is a Stoppani / Riva user guide available to get the right mix.
The stain is somewhat difficult the lay down even. You brush it on wet, wait a little and then rug it out to how deep you want the color.
Now off to buy 2-comp polyurethane.
New bilge
With the new bottom, time for bilge paint. Stockholm Båtsnikeri has all the Stoppani products is stock, and the bilge is painted with the correct gray oil based paint.
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