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Disclosed herein is a roof system including a roof deck, a previously existing roofing assembly upwardly adjacent to the roof deck, a foam material upwardly adjacent and in air sealing contact with the roofing assembly, a layer of reinforcing mesh embedded in the foam material, and a waterproof memb

Disclosed herein is a roof system including a roof deck, a previously existing roofing assembly upwardly adjacent to the roof deck, a foam material upwardly adjacent and in air sealing contact with the roofing assembly, a layer of reinforcing mesh embedded in the foam material, and a waterproof membrane upwardly adjacent of the foam material.

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What is claimed is: 1. A roof system comprising: a previously existing roofing assembly a foam material upwardly adjacent and in air sealing contact with said roofing assembly, said foam material being a rise and cure foam; a layer of reinforcing mesh disposed upwardly of and in contact with said f

What is claimed is: 1. A roof system comprising: a previously existing roofing assembly a foam material upwardly adjacent and in air sealing contact with said roofing assembly, said foam material being a rise and cure foam; a layer of reinforcing mesh disposed upwardly of and in contact with said foam material; an additional foam material of a different material than said foam material, wherein said additional foam material is disposed upwardly of and in contact with said reinforcing mesh, and wherein said additional foam material is disposed in contact with said foam material at said space around said perimeter of the roof system, wherein said additional foam material is a rise and cure foam that rises and cures at a faster rate than said foam material; wherein at least one of said foam material and said additional foam material fills a space around a perimeter of the roof system, and a waterproof membrane upwardly adjacent of said additional foam material. 2. A roof system as claimed in claim 1, wherein said previously existing roofing assembly is a built up roof. 3. A roof system as claimed in claim 1, including at least one fastener extending at least partially through said additional foam material, said foam material, and said reinforcing mesh into said roof assembly. 4. A method for creating a roof system comprising: air sealing a previously existing roofing assembly, said air sealing including disposing a foam material upwardly adjacent and in air sealing contact with said roofing assembly, said foam material being a rise and cure foam; disposing a layer of reinforcing mesh within upwardly of and in contact with said foam material; disposing an additional foam material of a different material than said foam material upwardly of and in contact with said reinforcing mesh, wherein said additional foam material is a rise and cure foam that rises and cures at a faster rate than said foam material; disposing said additional foam material to be in contact with said foam material at said space around said perimeter of the roof system, and filling a space around a perimeter of the roof system with at least one of said foam material and said additional foam material.