Hypalon Boot Seal is materials commonly used in construction and manufacturing industries. This is generally utilized to create a waterproof and airtight seal around doors, hatches, and pipes on different structures. They are designed to withstand extreme temperatures and harsh environmental conditions, making them an ideal choice for industrial and marine applications. In this, Thermax is basically a brand of polyisocyanurate foam insulation board that is designed to provide high thermal performance in commercial and residential construction.