One Way Fire Rated Walls
HardieSmart™ Boundary Wall System Component Description
External Face of Wall
- 1 layer of James Hardie minimum 6mm external cladding
- James Hardie HardieWrap™ weather barrier (refer to technical data sheet for suitability)
Internal Face of Wall
- 1 layer of minimum 6mm James Hardie® internal lining (if using Architectural™ linings, Villaboard® lining must be fixed behind.
Wall Frame
- 90x45mm seasoned timber studs
- 90x35mm seasoned timber studs can be used with a reduced maximum load capacity of 3.4kN/stud for load bearing walls when used at 600mm centres
Insulation
- James Hardie HardieFire™ Insulation
60/60/60 FRL Option 2 (JH-218)
NOTE: Where a fire and water resistant plasterboard is specified only Boral or Lafarge must be used.
External Face of Wall
- 1 Layer of James Hardie minimum 6mm thickness external cladding
- James Hardie HardieWrap™ weather barrier (refer to HardieWrap™ Technical Data Sheet for suitability).
- 16mm fire and water resistant plasterboard lining
Internal Face of Wall
- 1 Layer of standard 10mm plasterboard lining
Wall Frame
- Minimum 90x45mm seasoned timber studs up to 2.7m high.
- Minimum 92x35x1.15 steel studs with 1.350mm horizontal noggings up to 3m high.
Thicker studs are needed:
- For higher walls, refer to the fire and acoustically rated design manuals.
- At sheet joins, refer to the relevant product manual for clarity.
60/60/60 FRL Option 3 (JH-219)
NOTE: Where a fire and water resistant plasterboard is specified only Boral or Lafarge must be used.
External Face of Wall
- 1 Layer of James Hardie minimum 6mm thickness external cladding
- James Hardie HardieWrap™ weather barrier (refer to HardieWrap™ Technical Data Sheet for suitability).
- 13mm fire and water resistant plasterboard lining
Internal Face of Wall
- 13mm fire resistant plasterboard lining
Wall Frame
- Minimum 90x45mm seasoned timber studs up to 2.7m high.
- Minimum 92x35x1.15 steel studs with 1.350mm horizontal noggings up to 3m high.
Thicker studs are needed:
- For higher walls, refer to the fire and acoustically rated design manuals.
- At sheet joins, refer to the relevant product manual for clarity.
90/90/90 FRL (JH-21.10)
NOTE: Where a fire and water resistant plasterboard is specified only Boral or Lafarge must be used.
External Face of Wall
- 1 Layer of James Hardie minimum 6mm thickness external cladding
- James Hardie HardieWrap™ weather barrier (refer to HardieWrap™ Technical Data Sheet for suitability).
- 16mm fire and water resistant plasterboard lining
- 6mm HardieFlex lining
Internal Face of Wall
- 16mm fire and water resistant plasterboard lining
Wall Frame
- Minimum 90x45mm seasoned timber studs up to 2.7m high.
- Minimum 92x35x1.15 steel studs with 1.350mm horizontal noggings up to 3m high.
Thicker studs are needed:
- For higher walls, refer to the fire and acoustically rated design manuals.
- At sheet joins, refer to the relevant product manual for clarity.