The Foam Log Seal System consists of Octagonal Polyurethane Foam Logs encapsulated in a Elastomeric Casing Fabric with Hold Down Devices. The Foam Log Seal System can be Vapor Mounted (where the seal is out of the stored product with a vapor space below it) OR Liquid Mounted (where the seal is projected into the product without any vapor space below it).  The Foam Log Seal System is custom designed to dimensions furnished with your inquiry. There are many types of elastomeric casing fabrics available for compatibility to the stored products. There are several styles of Foam Log Seal Systems:     A. Standard     B. Stud Mounted     C. Extended     D. Projected     E. Wedge