For fixing composite panel
This self drilling roofing fastener is designed specifically for fixing composite panel sheeting to light purlins (1.2mm - 3mm) or timber
It can also be used for fastening steel wall channeling through insulation to studs
The unthreaded piece ensures panel surfaces are not deformed
The fixing incorporates both a washer, to compress to the outer skin to ensure a weathertight seal, and a high thread which gives positive support to the outer sheet
Panels can be fixed through the valley or crown of the profile
The fasteners must not be over tightened to achieve the correct seal
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