Standard size would be 16 inches wide and 8 feet long. To fit a normal wall cavity. 24 inch wide would be for a ceiling. Kraft paper backing should be there for a vapor barrier. Some deals aren't very good after all.
I install alarm systems for a living and have heard and seen all the stories. It all comes down to the fact that a burglary is a desperate act committed during desperate times. A thief will do anything to get to your stuff. If you want to have a building to protect your stuff, there is only...