NFPA 285 Compliant Wall Assemblies with DuPont™ Tyvek® Commercial Air And Water Barrier Systems
I. BASE WALL SYSTEM
- 1 Concrete Wall
- 2 Concrete Masonry Wall (CMU)
- 3 Standard Clay Brick Wall
- 4 Adobe Block Wall
- 5 Steel Stud Framed Wall
II. AIR AND WATER BARRIER
Applied to base wall OR over exterior insulation
- 1 None
- 2 DuPont™ Tyvek® CommercialWrap®
- 3 DuPont™ Tyvek® CommercialWrap® D
- 4 DuPont™ Tyvek® ThermaWrap™ LE
- 5 DuPont™ Tyvek® Fluid Applied WB or DuPont™ Tyvek® Fluid Applied WB+™
III. EXTERIOR INSULATION
- 1 None
- 2 Any unfaced noncombustible insulation (fiberglass, mineral wool)
- 3 Dow Thermax™ Polyisocyanurate Rigid Insulation
- Total thickness to be a minimum of 5/8" a maximum of 3"
- 4 Extruded Polystyrene Foam Insulation (XPS) - Type IV per ASTM C578
IV. EXTERIOR CLADDING
- 1 Brick
- 2 Stucco
- 3 Stone Veneer
- 4 Fiber Cement Siding or Panels
- 5 Metal Exterior Wall Coverings
- 6 Terracotta Cladding
- 7 Metal Composite Material (ACM/MCM)
- 8 High Pressure Laminate (HPL)
Click to download full version of NFPA 285 Compliance Document