FastenMaster FlatLok 3-1/2 In. Engineered Structural Wood Screw (50 Ct.) Category_Showers & Bathtubs Using FireBreak in these penetrations

Using FireBreak in these penetrations blocks air infiltration

elasticity and ability to absorb shock

2-material construction

A Silence Feature To Silence Unwanted Nuisance Alarms

FastenMaster FlatLok 3-1/2 In. Engineered Structural Wood Screw (50 Ct.) Category_Showers & Bathtubs Using FireBreak in these penetrationsFlatLok is designed for various multi ply dimensional and engineered wood connections. Flat head allows for easy finishing including drywall or trim. Approved for single sided installation. Torx ttap bit is included, reducing the potential for stripping. No pre drilling. Guaranteed corrosion resistance. ACQ approved. Code compliant.