Technical Literature

CAUTION: Plasterboard Duct Protection Systems are not designed to support the weight of personnel, storage of goods or additional plant.

System No.
Fire-Rating FRL
(Test Ref.)
Description and physical data
DPS1

1 Hour
60/60/60

Fire rating is
from both sides

CSIRO Opinion
FCO-0672

Duct Protection System constructed using 102 or 64 CH Stud section spaced at 600mm max. centres with two layers of 16mm Boral Firestop Plasterboard fixed on underside of system - 25mm Boral Plasterboard Shaft Wall Liner Panels set between studs to topside of system. Duct Protection System can be constructed in spans of up to 2 metre wide modules.
DPS2

1.5 Hours
90/90/90

Fire rating is
from both sides

CSIRO Opinion
FCO-0410

Duct Protection System constructed using 102 or 64 CH Studs spaced at 600mm max. centres with three layers of 16mm Boral Firestop Plasterboard fixed on underside of system - 25mm Boral Plasterboard Shaft Wall Liner Panels set between studs to topside of system. Duct Protection System can be constructed in spans of up to 2 metre wide modules.
DPS3

2 Hours
120/120/120

Fire rating is
from both sides

CSIRO Opinion
FCO-0410

Duct Protection System constructed using 102 or 64 CH Stud sections spaced at 600mm max. centres with three layers of 16mm Boral Firestop Plasterboard fixed on underside of system - 25mm Boral Plasterboard Shaft Wall Liner Panels set between studs to topside of system - 100mm wide strips of min. 10mm Standard Core Boral Plasterboard fixed to cover exposed flange of CH Stud on topside of system. Duct Protection System can be constructed in spans of up to 2 metre wide modules.