WALL ASSEMBLIES
JAMES HARDIE BUILDING PRODUCTS, INC. - Mission Viejo, CA USA


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Show details for DESIGN NO. JH/WA 60-01DESIGN NO. JH/WA 60-01
Show details for DESIGN NO. JH/WA 60-02DESIGN NO. JH/WA 60-02
Show details for DESIGN NO. JH/WA 60-03DESIGN NO. JH/WA 60-03
Show details for DESIGN NO. JH/WA 60-04DESIGN NO. JH/WA 60-04
Hide details for DESIGN NO. JH/WA 60-05DESIGN NO. JH/WA 60-05
DESIGN NO. JH/WA 60-05
SYMMETRICAL/NON-LOAD-BEARING WALL ASSEMBLY
1.Steel Studs: Minimum 3-5/8" depth, 20 gauge (0.0359") galvanized steel studs, spaced 24" oc maximum, with corresponding top and bottom tracks.
2.Gypsum Wallboard/Sheathing (Base Layer): 1/2" Type X gypsum wallboard or gypsum sheathing for exterior wall applications, applied horizontally or vertically and fastened with minimum 1" Type S drywall screws, located 24" on floor and ceiling runners and intermediate studs. Base layer wallboard joints staggered 24" from those of base layer on opposite side of studs.
3.Fibre-cement Board (Face Layer): 1/4" thick Titan® panel or Hardibacker® backerboard (for interior wall application), or Harditex® baseboard (for exterior wall applications), applied horizontally or vertically over gypsum wallboard and fastened with 1-5/8" long by 0.323" HDC-drill screws, located 8" oc on floor and ceiling runners and intermediate studs. Face layer panel joints staggered from those of base layer by 24". Face layer joints taped with joint tape and 2 layers of gypsum joint compound. Screw heads filled with gypsum joint compound.
Hide details for DESIGN NO. JH/WA 60-06DESIGN NO. JH/WA 60-06
DESIGN NO. JH/WA 60-06
SYMMETRICAL, NON-LOAD-BEARING WALL ASSEMBLY
1.Steel Studs: Minimum 3-5/8" depth 20 gauge (0.0359") galvanized steel studs, spaced 24" oc.
2.Composite Gypsum/Fibre-cement Board: Both sides of wall are faced with one layer of 5/8" Titan®-FR panel. Boards are oriented either horizontally or vertically. Panel joints are offset by 24" from those on opposite side of wall. Panels are fastened with minimum 1" Type S drywall screws, spaced 12" oc.
Hide details for DESIGN NO. JH/WA 60-07DESIGN NO. JH/WA 60-07
DESIGN NO. JH/WA 60-07
NON-SYMMETRICAL, NON-LOAD-BEARING WALL ASSEMBLY
1.Steel Studs: Minimum 3-5/8" depth, 25 gauge galvanized steel studs, spaced 16" oc.
2.Insulation: Minimum 3" thickness, 3 pcf mineral fiber batt insulation (rockwool), conforming to ASTM-C665 Type I, friction fit in joist cavities.
3.Gypsum Wallboard, Side A: 5/8" Type X gypsum wallboard installed horizontally or vertically and fastened with minimum 1-1/4" Type S drywall screws, 8" oc at board perimeter and in field areas of boards.
4.Fibre-cement Board, Side B: 13/32" Hardibacker 500® backerboard, applied horizontally or vertically and fastened with minimum 1" long No. 8 by 0.323" HD ribbed furring screws, located 8" oc along board perimeter and in field areas of boards.
5.Ceramic Tile: Nominal 4" by 4" by 1/4" standard grade ceramic wall tile.
Hide details for DESIGN NO. JH/WA 60-08DESIGN NO. JH/WA 60-08
DESIGN NO. JH/WA 60-08
NON-SYMMETRICAL, LIMITED NON-LOAD-BEARING WALL ASSEMBLY
MAXIMUM LOAD - 34.6% OF FULL DESIGN LOAD
1.Wood Studs: Nominal 2" by 4" solid sawn wood studs located 16" oc. With two top plates and a single bottom plate.
2.Insulation: Minimum 3" thickness, 3 pcf mineral fiber batt insulation (rockwool), conforming to ASTM-C665 Type I, friction fit in joist cavities.
3.Gypsum Wallboard, Side A: 5/8" Type X gypsum wallboard installed horizontally or vertically and fastened with minimum 1-7/8" long cup-head gypsum board nails or equivalent Type W screws, 8" oc at board perimeter and in field areas of boards.
4.Fibre-cement Board, Side B: 13/32" Hardibacker 500® backerboard, applied horizontally or vertically and fastened with 1-1/2" long by 0.375" HD corrosion resistant roofing nails, located 8" oc along board perimeter and in field areas of boards.
5.Ceramic Tile: Nominal 4" by 4" by 1/4" standard grade ceramic wall tile.
Show details for DESIGN NO. JH/WA 60-09DESIGN NO. JH/WA 60-09
Show details for DESIGN NO. JH/WA 60-10DESIGN NO. JH/WA 60-10




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Design listings are based on, and supported by, proprietary test reports. The test reports further define proprietary design details which make these listings applicable only to the specified products manufactured by the listed manufacturer.
Unless otherwise noted, the assemblies in this section have been evaluated for conformance to the following standards:
ASTM-E119, Standard Methods of Fire Tests of Building Construction and Materials.
CAN/ULC-S101, Standard Methods of Fire Endurance Tests of Building Construction and Materials.
NFPA-251, Fire Tests of Building Construction and Materials.
UBC-7-1-94, Uniform Building Code Standard.
UL-263, Fire Tests of Building Construction and Materials.
Designs listed are minimum construction requirements to achieve fire rating.
Unless otherwise noted, fire ratings apply to tests conducted on both sides.
NOTE: Design No. 408 is not used in this edition.