That's 4" of ice (3.9" actually, sorry I'm a science teacher) ;-) Bill Denton Yardley, PA wkdenton at verizon.net Lazarus Cycleworks, LLC We Breathe New Life into Old Bikes ----- Original Message ----- From: <masonjs at nrtco.net> > splitter as the bottom of the door is encased in 10 cm (5") of ice.