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