We briefly considered doing light prep on the boat's flaking bottom paint and calling it good, but after a discussion with the owner it was decided to do it right and remove all the paint down to the bare wood. This would give us a rock solid substrate for future bottom paint, with good assurance that anything we put on there would stick. This is not one of the favorite jobs of our crew, but nobody does this work better than CSR Marine. The plan is to "tent" the boat by applying a sheet of heavy visqueen from mid-way up the topsides to the ground, making a skirt all the way around the hull. This is intended to contain all airborne particulates from escaping the work area and getting into the yard's stormwater system, and hence into the lake. After scraping off as much of the loose paint, our crew of three got in there with grinders and 40 grit sandpaper and by the end of the day, all the bottom paint was removed with just bare wood remaining. After carefully cleaning the ground cloth, the tent was removed and the waterline masked off for bottom painting, which we'll start tomorrow.
Most boats at some point will need their bottom paint removed. At some point there is simply too much paint on the vessel and future coats fail to adhere. At CSR Marine, we have developed very precise methodologies for removing paint and are able to do it in a timely and cost effective manner, all the while keeping the bottom fair, which is a critical concern for sailboat owners. After the antifoulant is stripped, owners can either reapply new bottom paint, or apply an epoxy barrier coat, which is a very reasonably price guard against future osmotic blistering.
After the bottom paint was removed, we did a quick sanding of the transom, in preparation of future varnishing.
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