Patent ID: 8327594

Claim:
A mobile occupancy roofing system comprising: a roofing membrane affixed to a roof substrate of a mobile occupancy structure, said roofing membrane including at least one thermoplastic membrane layer; a roof member joined to the mobile occupancy structure, said roof member being at least partially constructed of a plastic material and extending above said roofing membrane; and a layer of sealant disposed on and adhering to both an exterior surface of said thermoplastic membrane layer and a plastic portion of said roof member to seal the joint between said roofing membrane and said roof member with said layer of sealant being exposed to the atmosphere, wherein said layer of sealant comprises a substantially solid hot melt thermoplastic sealant comprising at least approximately 90% solids by weight prior to being applied to the mobile occupancy structure, and wherein said substantially solid hot melt thermoplastic sealant must be heated to enable said substantially solid hot melt thermoplastic sealant to be disposed on and adhere to said thermoplastic membrane layer and said plastic portion of said roof member.