TechFast Roofing Screw - Light Section Purlins

TechFast screws for light section purlins will fix material to purlins between 1.2mm to 3.6mm

The 16mm rubber washer beneath the aluminium flange expands under pressure and forms a permanent weather-seal

Designed for fixing cladding and sheet metal to light and heavy structural purlins as used when constructing industrial units