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Fire Protection

Fire and Sound Rated Walls

Fire Resistance Level (Recommendations)

1-HR Fire Resistance Level with Sound Transmission Class 45

2-HRS Fire Resistance Level with Sound Transmission Class 45

1-HR to 2-HR Fire Resistance Level with Sound Transmission Class 50-55

Stud

64mm x 33.5mm x 0.50mm BMT

64mm x 33.5mm x 0.50mm BMT

92mm x 33.5mm x 0.55mm BMT

Wall track

64mm x 32mm x 0.50mm

64mm x 32mm x 0.50mm

92mm x 28mm x 0.50mm

Wool Insulation

50mm x 60kg/m3

50mm x 60kg/m3

90mm x 60kg/m3*

Lining

2 layers of 15.9mm FireShield® Gypsum Board

1 layer of 15.9mm FireShield® Gypsum Board

2 layers of 15.9mm FireShield® Gypsum Board

Stud Spacing

610mm maximum on centers

610mm maximum on centers

610mm maximum on centers

Note: removing insulation can achieve STC 48

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