M4 is a structural panel used in the construction of load-bearing exterior / interior walls and a variety of general purpose applications. Composed with our proprietary blend of MgO oxysulphate cement and fiberglass, M4 has achieved certification by ICC in 1-hour fire-rated structural and shear-rated wall assemblies, as well is certified noncombustible for use in all types of construction.
- Structural wall sheathing
- ICC Certified for use in all types of construction
- 1-Hour fire-rated load bearing wall assemblies
- Shear ratings available
- Resistant to mold, moisture, rot, insects and corrosion
- Impact resistant
- Cuts and installs with standard carpentry tools and equipment
- Non-chloride formula
- No silica