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    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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