COMMERCIAL COMPLETE WALL SYSTEM NFPA 285 Tested Wall Assemblies / Owens corning INNOVATIONS FOR LIVING9 FOAMULAR® Insulation, JointSealR Foam Joint Tape, EcoTouchٙ Flame Spread 25, EcoTouch Thermal Batt FIBERGLASٙ Insulation NFPA 285 Fire Tested Wall Assemblies Owens Corning's Commercial Complete Wall System has successfully passed the NFPA 285* fire test in many variations giving architects options in exterior wall design. The system is approved with FOAMULAR® extruded polystyrene continuous insulation under a variety of masonry veneer exterior finishes, over either steel stud frame or masonry back-up walls. This brochure summarizes NFPA 285 approved assemblies. See Table 2 and the family of Commercial Complete Wall System publications for more information. *NFPA 285, Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Non-Load Bearing Wall Assemblies Containing Combustible Components; National Fire Protection Association, 1 Batterymarch Park, Quincy, Massachusetts 02169 The Purpose of NFPA 285 Owens Corning Commercial Complte Wall Systems The test is required in the International Building Code (IBC) when foam plastic insulation is EcoTouch FLAME SPREAD 25 INSULATION (25 flame spread facer for exposed use or for Types I or II construction) EcoTouch虙 THERMAL BATT FIBERGLAS INSULATION (unfaced) FOAMULAR® 250 XPS continuous insulating sheathing used in the exterior walls of construction types I, II, III or IV. Those construction types, by code definition, have exterior walls EcoTouchٙ FLAME SPREAD 25 INSOLATION (25 flame spread facer for exposer, use or for Types I or II construction) EcoTouch THERMAL BATT FIBERGLAS1" INSOLATION (unfaced) constructed of non-combustible materials. The test is to determine that combustible foam plastic insulation, when exposed to fire on the exterior face of the wall, does not spread flame over the tl l stnds or over exterior gypsum sheathing) surface or through the core of the Brick, CMU, Stone, or Terra-Cotta Veneer Pre-Cast Concrete Panel otherwise non-combustible wall assembly. The test standard NFPA 285 is referenced in IBC Section 2603.5.5. That standard, or a variation of it, has been referenced in each edition of the IBC since its first edition in 2000, and since the 1980's in the three model codes that preceded it. The now defunct ICBO Uniform Building Code first included the concept in the 1988 edition, requiring testing in accordance with the UBC Standard 17-6, a predecessor of NFPA 285. EcoTouchٙ FLAME SPREAD 25 INSULATION (25 flame spread facer for exposed use or for Types I or II construction) EcoTouch THERMAL BATT FIBERGLASٙ INSULATION (unfaced) FOAMULAR® 250 XPS continuous insulating sheathing FOAMULAR0 HIGH-R CW PLUS (alternative XPS insulation with a higher R per inch) JOINTSEALR'" FOAM JOINT TAPE (optional joint seal) FOAMULAR' CWI5 OR CW25 FOAMULAR' 250 XPS INSULATION PM EIFS (EIFS system by others) Brick, CMU, Stone, or Terra-Cotta Veneer over CMU 1

COMMERCIAL COMPLETE WALL SYSTEM NFPA 285 Tested Wall Assemblies The other two national model building codes of that era also required full scale testing of this type for exterior walls. The 1982 SBCCI Standard, and the 1984 BOCA National (Basic) Building Codes stated in their foam plastics chapters, "Results of diversified or full scale fire tests reflecting an end use condition shall be submitted to the building official demonstrating that the (wall) assembly in its final form does not show any tendency to propagate flame over the surface or through the core when exposed on the exterior face...

COMMERCIAL COMPLETE WALL SYSTEM NFPA 285 Tested Wall Assemblies Table 1 Owens Corning Commercial Complete Wall System Product Slection Guide FOAMULAR® Extruded Polystyrene Continuous Insulation Product Name Thickness R-Value1 R-Value1 Size2 Compressive ASTM C 578 Edge Application (inches) (180 Day) (LTTR) (inches) Strength (psi) Type Type @75°F @40°F @75°F mean temp. mean temp. mean temp. FOAMULAR® CC 2 I0.0 I0.8 I0.6 2 x 48 x 96 I6 X Ship-lap Steel Stud Framing I2.5 I3.5 I3.4 2A x 48 x 96 long edge 3 I5.0 I6.2 I6.2 3 x 48 x 96 FOAMULAR® 250 % 4.0 4.3 % x 48 x 96 25 lV Square Steel Stud Framing...

COMMERCIAL COMPLETE WALL SYSTEM NFPA 285 Tested Wall Assemblies Architects Guide to NFPA 285 Tested Owens Corning Commercial Complte Wall Systems Table 2 summarizes Commercial Complte Wall System options that are approved for use in NFPA 285 tested wall assemblies. The table provides information on approved variations including with and without FIBERGLAS訙 Batt Insulation in the steel stud cavities, options for air barriers, foam thickness, window head closure details and other important system details. Table 2* Owens Corning Commercial Complete Wall System Specification Guide to Accepted NFPA...

COMMERCIAL COMPLETE WALL SYSTEM NFPA 285 Tested Wall Assemblies *DISCLAIMER: The sole purpose of the information provided in Table 2 is to identify certain Material Options, in assemblies, that have been shown by independent testing, as of the initial date of this publication, to be compliant with the NFPA 285 fire test. By providing this information, Owens Corning is not making, and specifically disclaims, any recommendations, warranties, or guarantees with respect to any of the listed Material Options. Complete product data for the Owens Corning products is available in related Owens Corning...

COMMERCIAL COMPLETE WALL SYSTEM NFPA 285 Tested Wall Assemblies Table 3 Window and Door Opening Dtails1,2, NFPA 285 EXTERIOR GYPSUM SHEATHING (0FT10NAL) EXTERIOR GYPSUM SHEATT (OPTIONAL) AIR BARRIER ON EXTERIOR FACE OF SHEATHING OR OVER FOAM (OPTIONAL) OR JOINTS SEALED WITH JOINTSEALR FOAM JOINT TAPI (OPTIONAL) FOAMULAR XPS VOID BETOEEN WINDOW c WALL INJECTED WITH FOAM INSULATION AT JAMBS & SILL (OPTIONAL) SOLID MASONRY JAMBS le SILL AIR BARRIER ON EXTERIOR FACE OF SHEATHING OR OVER FOAM (OPTIONAL) OR JOINTS SEALED WITH JOINTSEALR FOAM JOII (OPTIONAL) ECOTOUCH FS25 OR THERMAL BATT INSULATIOI...