Inquiry (采购产品): Insulation Our temperature-controlled module are made from polyurethane foam panels. Is it possible to purchase sheets made of glass bubbles that can be inserted in or between foam panels to improve insulation performance. Regards, Trevor. **** Hidden Message ***** Trevor House 3144 Company: Module Hire International PL E-mail: trevor.house@modulehire.com **** Hidden Message ***** trevor.house@modulehire.com