By the way, they also have 2' x 25' rolls, too. -- Ken Tischler On Wed, Jul 1, 2009 at 3:41 PM, Ken Tischler <ken at mvmicroship.com> wrote: > >>> Dave, > > We bought two 4' x 25' rolls and cut panels for every window in the boat. > Works like a charm!! Boat stays about 15 degrees cooler now, and air > conditioners actually cycle on and off.