At 07:57 PM 8/19/2010, neil n wrote: >For anyone else interested, here's an example of a similar type of >foam to what I think David refers to. Seems cutting the billets can be >done, but this stuff is 1/2 in. x 4 ft. x 6 ft sheet......... > >for $68.72 ;) > >http://www.marinefoam.com/closedcellacousticalfoam.html?page_type=flotation-foams That's a fancy-grade flexible sheet for lining hulls and such. The flotation qualities are incidental except to people (and they exist) who want an unsinkable boat. $70 for a cubic foot. http://www.buoyancyfoam.com/ has the Dow stuff. A 7x20x48 billet is ~$85 for almost four cubic feet. But you need to use a hot wire or a hand saw or big bandsaw to get thin slices out of it. Not really practical; I didn't mean it seriously. But to say it better about the bead-board -- no open-cell or sintered foam will resist liquids unless they have a continuous skin -- and then only so long as the skin is intact. Yours, David |
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