Coppercoat - good idea?

I did Escapade in Plymouth May 2009 - DIY job except for cleaning the hull. After hand scraping my previous boat, a 31 ft catamaran, I decided slurry blasting was worth the cost. The blasting only removes soft or damaged coating so had to orbital sand the original (14 year old) epoxy primer as it was peeling in places. Applied 3 coats high build epoxy supplied with the Coppercoat. Only point missed in the posts above is that you have to keep the coating dry for 8 days before launching. I built a tarpaulin tent around Escapade. The few runs from rain leaks marked the surface of the coating but has not effected the performance.
Based in N Scotland we dry out against a wall once a year and pressure wash slime and green around water line, then lightly rub down with ss 'wire' pot scourer as this tales off any organic film that survived the washing. Once had traces of calcarious worm casts around rudder / keel gap but the bits I had failed to scrape off had gone two years later.
Found that spending a couple of weeks in the fresh water of the Caledonian canal was an effective way to clean the hull as the marine slime died off.
 
According to the instructions it depends on temperature and humidity:

"Although the full cure is obtained after 5 days, the coating should be sufficiently cured to allow a launch after 72 hours at 20 degrees centigrade."

Don't think we saw 20 degrees C on the hard in Plymouth while waiting for the coating to cure that May, although it may have reached it for a while under the tarpaulin when the sun was on it. I decided to waited that bit longer to be on the safe side and did not check the instructions when writing my previous post. Appologies.
 
I had my boat copper coated in Torrevieja on the Costa Blanca in February 2013. They soda blasted the old stuff off first which gave a good base for the copper. Took nearly two weeks in the yard as the copper had to harden before the chocks could be moved to do under them.

It looked so good; I still have the picture of the boat bottom on my desk! Slipped the boat two weeks ago, 13 months in the water. A little slime and a couple of barnacles which all came off with the jet wash. A quick change of anodes and back in the water, all done and dusted in a couple of hours. Brilliant! In my book, money well spent. I have no commercial connection, but I can recommend the guys who did it, Costa Blanca Yacht Services. http://www.costablancayachtservices.com
 
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