Depending on where you're living the cracks might be a path for Radon to
enter - I'd seal them.

As for the walls, I used ridgid foam insulation and 2x3's nailed
directly into the concrete wall in place of studs and fiberglass. Easy,
solid and forms the vapor barrier.


--
yustr
------------------------------------------------------------------------
yustr's Profile: http://www.homeplot.com/member.php?userid=37
View this thread: http://www.homeplot.com/showthread.php?t=58316