3M Scotch LS1000 Heat-free Laminating System Laminating System requires no heat, no electricity and more importantly no waiting for warm-up. The heat-free system includes a laminator and dual laminate cartridges. Great for heat-sensitive materials, inks and photographs. Handles documents up to 1/10" thick. Laminating system includes five 100' front and back refills and a 12" laminating machine.