15" Safe 'n' Sound Insulation for 2"x4" Wood Framing (59.73 Sqft per bag) 4’ x 8’ The MST is a high-capacity

The MST is a high-capacity strap that can be installed with either nails or bolts

Made from 12-gauge steel

Installed with screws

For 3-1/2 x 11-7/8" Parallam PSL Beams

Reinforced blade backing allows for straight and accurate cuts

15" Safe 'n' Sound Insulation for 2"x4" Wood Framing (59.73 Sqft per bag) 4’ x 8’ The MST is a high-capacitySAFEnSOUND sound proof insulation is a stone wool insulation product for use in interior wall partitions of residential wood and steel stud construction. It is especially useful when superior fire resistance and acoustical performance are required. This non combustible, lightweight product has excellent acoustical dampening properties and is dimensionally stable which makes it ideal for friction fit in wall, ceiling and floor applications. The product