Diamon Level LiveRoof^® Certified Installers, designated on the list with a , are certified installers who are authorized to bid on and install LiveRoof systems on projects which are covered by a LiveRoof Overburden Removal Warranty. LiveRoof Overburden Removal Warranties may be purchased for 10, 15, or 20 year terms, and provide coverage for the costs to remove the green roof and replace it after a leak has been serviced. Contact your local LiveRoof Licensed Grower for details.