Introduction
Developers are constantly looking for timber framed systems which will satisfy BCA requirements for external wall fire ratings and provide low-cost fast track construction on site. Boral Plasterboard recognise this requirement and has developed the OutRWALL™ exterior wall system to meet this need.

This manual discusses and illustrates this purpose designed system. Boral Plasterboard's OutRWALL™ exterior wall system is easy to build, using conventional materials, methods and equipment.

With the Boral Plasterboard OutRWALL™ exterior wall system, new buildings can be constructed on or near the boundary and still satisfy the fire resistance requirements of the BCA. Providing fire ratings of 1 or 1.5 hours, Boral Plasterboard OutRWALL™ exterior wall system provides effective resistance to the spread of fire from neighbouring buildings.

Perfect for extensions to existing buildings, OutRWALL™ exterior wall system is a cost-effective, labour-saving way to upgrade the fire resistance rating of a boundary wall to comply with the Building Code.
Benefits
• Lightweight Construction;
• Low-cost alternative to brick wall construction;
• Standard load bearing timber stud wall construction;
• Fire ratings of 1 or 1.5 hours to external load bearing timber framed walls; and
• Can extend existing buildings to boundary and meet BCA required fire resistance rating.
Description
This manual describes the Boral Plasterboard OutRWALL™ exterior wall system for use as fire rated exterior walls in residential buildings using timber framing. All details and information contained in this publication are intended as a general guide for use in exterior wall construction. Refer to the graphics on following pages for construction details.

OutRWALL™ Applications
The following summary is intended as a guide only. Readers should satisfy themselves as to the requirements of the BCA by direct reference and/or through an appropriately qualified person.

Building Classification and Type	Relevant OutRWALL™ System
Class 1	OutRWALL 60
Class 2, Type A or Type B	OutRWALL 90C or OutRWALL 90F
Class 2, Type A or Type B, Sprinklers	OutRWALL 90A or OutRWALL 90D
Class 2, Type C	OutRWALL 90, OutRWALL 90B or OutRWALL 90E
Class 3, Type A or Type B	OutRWALL 90C or OutRWALL 90F
Class 3, Type C	OutRWALL 90, OutRWALL 90B or OutRWALL 90E
Class 10	OutRWALL 60