Specifications include, but are not limited to: 1.3.1 Low Slope Roofing System This roofing system is typically low-slope fully adhered or mechanically attached to the structural deck. The roof assembly consists of: ● Single-ply, fully adhered membrane (EPDM, TPO), or multi-ply BUR – requires Capital Planning & Construction (CP&C) approval ● Cover board (high-density, noncombustible, water-resistant, gypsum roof board or mineral fiber board) ● Tapered rigid insulation (per new designed roof slope ) ● Flat rigid insulation ● Air barrier/vapor retarder ● Base board - fire separation board ● Structural deck 1.3.2 Sloped Roofing System (4:12 and steeper) This roofing system is typically 4:12 slope or greater and mechanically attached to the structural deck. The roof assembly consists of: ● Water shedding membrane (asphalt shingles membrane, or metal roofing) ● Waterproofing (self-adhering underlayment) adhered to cover board ● Cover board - Plywood ● Tapered rigid insulation (per new designed roof slope) ● Flat rigid insulation ● Air barrier/vapor retarder ● Base board - fire separation board ● Structural deck