09-17-2008, 08:17 AM
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Technohippie
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Join Date: Sep 2007
Location: Sittin' on the "Group W" bench...
Posts: 123
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The problem is that a small amount of the foam is left in the valve and nozzle, and it hardens, blocking the flow the next time you try to use it.
Unfortunately, you can't turn the can upside down and vent some propellant to clear the nozzle after use like you can with spray paint.
The manufacturers really should sell smaller "single application" cans of the stuff, but of course that isn't as profitable...
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