Division 7 Ebook Page 59 Owens Corning Enclosure Solutions NFPA 285 Design Guide

10 Table 2 Continued Exterior Cladding/ Veneer: Select one Any Combustible Veneer that has been tested and documented to be NFPA 285 compliant. 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. Fiber Cement or Cement Board Siding: Fastened to the structural backup wall or to Z-furring, girts, or other secondary framing as recommended by the cladding manufacturer. Metal Panel: Single skin steel, aluminum, copper, etc, fastened to the structural backup wall or to Z-furring, girts, or other secondary framing or clip system as recommended by the cladding manufacturer. Metal Composite Material (MCM): Use any MCM that has been tested and documented to be NFPA 285 compliant. Fastened to the structural backup wall or to Z-furring, girts, or other secondary framing or clip system as recommended by the cladding manufacturer. Stone Veneer: Minimum 2" thick, limestone or natural stone veneer, or minimum 1 " thick manufactured stone veneer. May use any standard open joint or closed joint installation such as ship-lap, etc. Terra Cotta Panels: Terra Cotta cladding system, minimum 1" thick, with open or closed joint installation such as ship-lap, etc. Window & Door Openings and Transition Details Use any of the details shown in Appendix C as applicable 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.

Previous Page
Next Page