Division 7 Ebook Page 55 Owens Corning Enclosure Solutions NFPA 285 Design Guide

6 Table 1 Continued Exterior Sheathing: Select one Options: FOAMULAR may be installed directly over steel stud framing, with joints sealed with JointSealR foam joint tape. None Gypsum Sheathing, ", exterior grade Gypsum Sheathing, ", Type X, exterior grade Air & Water Barrier: Select One All air & water barriers are to be installed at recommended application rates and in strict accordance with the manufacturer's installation instructions. Verify vapor resistance properties if required. Options: FOAMULAR may be installed directly over steel stud framing, with joints sealed with JointSealR foam joint tape. None Air/water barrier membrane selected from Appendix B and installed on the base wall behind the continuous insulation (CI) Owens Corning JointSealR Foam Joint Tape applied to the joints of FOAMULAR XPS continuous insulation DuPont Tyvek CommercialWrap applied over continuous insulation Pactiv GreenGuard Max Building Wrap applied over continuous insulation Continuous Insulation (CI): Select one Refer to Appendix A for Owens Corning products, properties, sizes, and facer configurations. Complete product data is available in Owens Corning Product Data Sheets at www.ocbuildingspec.com Options: FOAMULAR may be installed directly over steel stud framing, with joints sealed with JointSealR foam joint tape. FOAMULAR 250 XPS FOAMULAR High R CW Plus, FOAMULAR CW15 XPS FOAMULAR CW25 XPS Thermafiber Rainbarrier HD Thermafiber Rainbarrier 45 ASTM C578 Type IV ASTM C578 Type X ASTM C578 Type IV unfaced, minimum 2" thick, mechanically attached per manufacturer's recommendations, continuous over air & weather barrier system if selected unfaced, minimum 2" thick, mechanically attached per manufacturer's recommendations, continuous over air & weather barrier system if selected Exterior Cladding/ Veneer: Select one Brick Veneer: Nominal 4" thick, clay brick. Veneer anchors, standard types, installed maximum 24" o.c. vertically on each stud, or, continuous ladder tie type if CMU backup is utilized. Maximum 2" air space between continuous insulation and brick. Concrete Masonry Units: Minimum 4" thick. Maximum 2" air space between continuous insulation and CMU. Concrete Panels: Minimum 2" thick. Maximum 2" air space between continuous insulation and concrete. EIFS: Polymer Modified (PM) Exterior Insulation Finish Systems, with XPS base. Details as NFPA 285 tested and specified by PM EIFS manufactured. Insulated Concrete Sandwich Panels: Minimum 2" thick outer face wythe. Maximum 2" air space between continuous insulation and concrete. Stone Veneer: Minimum 2" thick, limestone or natural stone veneer, or minimum 1" thick manufactured stone veneer. May use any standard closed joint installation such as ship-lap, etc. Stucco: Minimum " thick, exterior cement plaster and lath. Lath mechanically attached. Window & Door Openings and Transition Details Use any of the details shown in Appendix C as applicable FOAMULAR 250 XPS Continuous Insulation Thermafiber RainBarrier Continuous Insulation Steel Stud (head, jamb, sill) CMU (head, jamb, sill) Transitions Between Cladding Types Flash window, door, and other exterior penetrations with limited amounts of acrylic, asphalt, or butyl-based flashing tape, max. 12" width.

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