Sailboat Wood Finish Online,Upstream And Downstream Problems Formula Example,Steamboat Buffet Liang Seah Street Edition - Good Point
28.06.2021, admin
Like spotting land after a long passage, were glad to say that the end of our long-term exterior wood finishes test is finally on the horizon. Time, weather, and Southwest Floridas unrelenting sunshine have clearly taken their toll on the test panels over the last 24 months, and as the evaluation moves into its third year, only 19 of the original 54 test products will continue on in our Wood Sailboat Build Plans Online survival-of-the fittest finish matchup.
Our search for the ideal wood finish-relatively easy to apply, easy to maintain, lasts multiple seasons, and is affordable-began in when we took a look at the different types of exterior wood finishes on the market, their pros and cons, and how easy they were to apply one-part varnishes , August ; varnish alternatives , October ; two-part varnishes , December ; teak oils and stains , April Launched in , the long-term panel test aimed to determine which type of coating offers the best and longest protection and which products stand out among their peers.
We hope the comparison enables readers to decide which finish best matches their own taste, potential labor investment, and wood protection needs. Here, we offer the two-year report on the survivors.
Each was assigned a number for blind judging and was applied per manufacturers instructions. If makers gave a range for the number of coats to apply, testers went with the minimum. Initial testing rated each products ease of application and original gloss and reflective qualities.
In the summer of , the test panels were mounted on a wooden rack aka: The Rack , which was set up in an unobstructed area on the roof of the PS workshop in Sarasota, Fla. The top part of each panel was covered to create a control area that testers used for comparison over time. Every six months, we disassembled The Rack and rated the panels on how well their coating integrity, gloss, and color had fared over time with constant exposure to the elements. The test was designed as an endurance test, a fight to the finish, so we have not done any maintenance coats or touch-ups to the test panels.
These products can be expected to have much longer lifespans if they are regularly maintained. Testers rate each panel on three long-term performance criteria: coating integrity, gloss retention, and color retention. Excellent and Good coating integrity ratings mean that no maintenance is needed; a Fair indicates that its time for a maintenance coat; Poor means the fat lady has sung, and the coating would need to be removed and re-applied.
Excellent ratings are given only to those with an uncompromised coating. This time, panels with Poor and Fair- coating integrity were pulled from the test. Color and gloss retention ratings are relative to the panels original finish. Initial gloss and ease of application are relative to the field within each coating category; these were assigned immediately after the panels were coated.
One-part varnishes that earned PSs recommendation this go-round were rated Fair for coating integrity none rated better than Fair and had no Poor ratings. Recommended two-part systems rated Good or better for coating integrity with no Poor ratings. What a difference a season makes! With the exception of a few two-part products, the test coatings had lost their sparkle at the two-year mark. Ratings slipped across the board.
The UV abuse had obviously taken its toll, sucking the life out of most of the coatings, particularly the clear finishes. The biggest overall decline was within the one-part varnish test group: Not a single one rated better than Fair for coating integrity or gloss retention, and nearly half of the test field was retired after this rating round. Just six months before, eight of the 19 products rated Good for coating integrity and six rated Good for gloss retention.
In 12 months, seven dropped from an Excellent coating integrity to a Fair. However, their extended protection comes with tradeoffs: Detco rated only Fair for application, Le Tonks gloss started to slip after one year, and Pettits started losing its original color after 12 months. One hardware store varnish has surprisingly held its own over the long haul: Minwax Helmsman Spar Urethane. At half the cost of the Recommended one-part varnishes, Minwax slacked in the color retention department, but it has proven its multi-season durability.
Four of the nine varnish alternatives have been voted off The Rack after two years, and none performed well enough to earn our recommendation for two-year wood protection.
The Cetol products are still at the head of the pack, albeit a somewhat mangy-looking pack. The Cetol Natural with gloss test panel fell from a Good coating integrity six months ago to being dropped from testing. Its taken two years, but the two-part varnishes are finally starting to show their age. Surprisingly, the first products to be dropped from this group are two that performed well in past PS tests: Bristol Finish and Honey Teak. This is likely because the life of a wood finish in Florida is always going to be shorter than in our past test locales in New England.
The other two-parts are still holding up well, with Interlux Perfection and Nautiking Nautithane offering uncompromised protection and better-than-expected gloss after 24 months. Perfection has been reformulated since the test began and is now sold as Perfection Plus. The temporarily discontinued since Smiths Five Year Clear has also proven to be a top-notch finish, but its not available at this time.
The reality Sailboat Wood Finish Quotes is that, like much in life, wood protection is all about compromise and balancing your needs with your wants. For the latter, we recommend seeking out a varnish alternative easy to apply, easy to maintain that suits your tastes. With modest maintenance, the Cetol products with gloss overcoats have proven to be the most durable. For areas where slippery-when-wet coatings won't do, Cetol Natural without gloss overcoat Sailboat Wood Finish 500 or our top-pick teak oil, Star brites Tropical Teak Sealer classic teak should be considered.
The Star brite will need to be reapplied every three or four months. Boat owners in sailing areas that see less sunshine than our Florida test site should also consider Pettits Flagship or Captains One-part varnishes require a little more work upfront and quick attention when they are scratched or dinged, but they also offer a more traditional, high-gloss look.
The one-part varnishes in our test slipped dramatically after a year and half, so we suggest an annual maintenance coat, whether they look like they need it or not. They may be a pain to apply-and should you let the coating fail, you had better invest in a heat gun-but their durability is unmatched. The top two-part after two years of testing was Interlux Perfection. Practical Sailor often supplements panel testing with product challenges aboard our test boats to see whether top products still earn their keep in the real world and to try out new products.
Two such evaluations are our exterior wood finish tests. In the fall of , testers applied three coats of Caspian Clear PolyWhey to the coamings and companionway trim on the Cape Dory, which is sailed several times a week and lives on a mooring in Sarasota Bay, Fla.
PolyWhey is a unique wood finish that uses whey protein, a by-product of the cheesemaking process, as a binder. As far as application, both the Cetol and PolyWhey are quick and easy to apply, with much shorter recoat times than hard varnishes and less or no sanding between coats.
The main difference that we found in these two finishes was with durability. The PolyWhey turned out to be a much softer coating than the Cetol.
It held up for about two months, but after three months, it was in need of a recoat, and at six months, it needed a total takedown�and Cetol had emerged as the death-match victor. The PolyWhey on the coaming was the first to go: Where crew backs often lean against the wood, the finish was all but gone after four months. The PolyWhey on the companionway slides held on for about that long, but by six months, they were ready for a do-over as well. The Cetol on the toerail was in need of a few touchups after six months, mostly in areas where fenders and docklines came in contact with it.
But the tiller and hatch trim were still fairly well-protected almost a year after application. Once a year, we scuff it up with a 3M pad, give it a freshwater rinse, and brush on a maintenance coat.
Compared to a clear, glossy varnish, it looks decent and the maintenance regimen is more realistic for our tastes and available time. See photo above. Bottom line : The Cetol Natural with overcoat has held up very well. While applying the topcoat may mean added effort, both our panel tests and test-boat evaluations have shown that the coating will last much longer and need fewer bandaids if the soft Cetol is protected with the semi-hard topcoat.
Teak oils and other naturally based finishes like PolyWhey, need maintenance coats every few months. Their chemical cousins, however, like Cetol, have proven they can offer good protection with only annual nurturing and the occasional touchup. Search Awlwood on the website. We have a couple reports. October chandlery , and June issues.
It is broadly comparable to Sikkens Cetol. It is certainly a comprehensive test. My conclusion is, read your directions carefully and be patient through all phases of application. Teak requires a caregiver! Great read especially during this pandemic period. Great review. Your test is useful for me because I Sailboat Wood Finish want to buy but don't know which product is the best. I must say that I like all of those mentioned above and price is really cheap.
For long life? Too soon to tell. Cetol has mostly been a disaster, especially with the Gloss overcoat. Applying Cetol can be tantamount to vandalism. Save my name, email, and website in this browser for the next time I comment. Practical Sailor.
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