I have a polyurethane foam insulation gun like this: http://www.conservationtechnology.com/images/Building/SealantsGun+Foam.gif I left the insulation can attached to it for months and the foam dried up inside of the barrel. Is there a way I can clear it out or is the gun trash now?
Continue Reading Polyurethane foam insulation gun jammed. Is there a way to fix it?
