Tough, Versatile Coosa Board Suited for Various Projects

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Cosa board is a closed cell panel that is reinforced with glass fiber, giving it both shear strength and compression strength. Compared to the most common balsa, foam, or plywood cores used in boat construction, it better resists moisture.

    1. Even at nearly proof load, Coosa Marine 26 resists compression exceptionally well. Note the glass fibers on the surface and the glass cloth layers just under the surface.
    2. As with all cores, failure is indicated by the fender washer bending. Use extra-wide fender washers or backing plates to prevent failure.Tough, Versatile Coosa Board Suited for Various Projects
    3. Stiffening and reinforcing boat transoms is the one of the most common boat-building applications for Coosa board.Tough, Versatile Coosa Board Suited for Various Projects
    4. Coosa board bonded to the hull creates lightweight and water-resistant panel for mounting accessories without drilling holes in the boat.Tough, Versatile Coosa Board Suited for Various Projects

 

 

 

Related post: The Multipurpose Core

 

Darrell Nicholson
Practical Sailor has been independently testing and reporting on sailboats and sailing gear for more than 50 years. Its independent tests are carried out by experienced sailors and marine industry professionals dedicated to providing objective evaluation and reporting about boats, gear, and the skills required to cross oceans. Practical Sailor is edited by Darrell Nicholson, a long-time liveaboard sailor and trans-Pacific cruiser who has been director of Belvoir Media Group's marine division since 2005. He holds a U.S. Coast Guard 100-ton Master license, has logged tens of thousands of miles in three oceans, and has skippered everything from pilot boats to day charter cats. His weekly blog Inside Practical Sailor offers an inside look at current research and gear tests at Practical Sailor, while his award-winning column,"Rhumb Lines," tracks boating trends and reflects upon the sailing life. He sails a Sparkman & Stephens-designed Yankee 30 out of St. Petersburg, Florida. You can reach him at darrellnicholson.com.