Topduo Cylinder Head Screws

The Topduo Cylinder Head is a high-performance screw designed for fastening over-rafter insulation with thicknesses up to 300 mm. Its unique features make it an ideal solution for timber-frame construction, offering a range of benefits and applications.

Product Uses

• Fastening over-rafter insulation with thicknesses up to 300 mm
• Various applications in timber-frame construction

Technical Data

• Screw tip advantages:
• Reduced tightening torque
• Reduced splitting
• Increased bite of the screw