Patent ID: 8973310
Filing Date: 2015-03-10
Classification: E04D

Abstract:
1. A ventilated roof system, the system comprising: a. a building; b. a sub-deck, said sub-deck being attached to and supported by said building, said sub-deck having a pitch, said sub-deck being permeable to water-vapor; c. a barrier fabric disposed upon and supported by said sub-deck, said barrier fabric being permeable to water-vapor and substantially impermeable to liquid water, said barrier fabric and said sub-deck being adequately water-vapor permeable to avoid condensation in an unventilated attic under said sub-deck; d. a deck, said deck being supported in a spaced apart relation to said sub-deck, said deck and said sub-deck defining a ventilation channel between said barrier fabric and said deck; e. a plurality of shingles, said plurality of shingles being attached to and supported by said deck.