Because your top floor units will be more comfortable when you use LP TechShield Radiant Barrier on your roofs, these units will now be more marketable. Using LP TechShield Sheathing may even allow you to reduce the tonnage of a building’s cooling system. Using LP TechShield Sheathing makes more sense now than ever, thanks to the U.S. government’s emphasis on energy efficiency in all projects receiving federal dollars – and more local governments creating “green” building codes.