Do not fly fix

Follow panel manufacturers recommended installation instructions

Do not use hammer drills

Hammer or percussion guns damage the screw point and threads and provide no feedback leading to overtightened and stripped fasteners

Do not over-tighten

Over-tightening screws can lead to stripping of the thread and distortion of the panel

MCRMA fastener guidance

The Metal Cladding and Roofing Manufacturers Association (MCRMA) has produced guidance document GD33 Fasteners for metal roof and wall cladding: design, detailing and installation guide to provide the user with a comprehensive best practice guide on the selection, use and performance of fasteners designed for popular metal roofing and cladding.

NFRC fastener guidance

The majority of fastener-related problems encountered on site are caused by the use of incorrect installation tools. With higher tensile (harder) grades of steel increasingly used, the correct choice of tool has become even more essential in avoiding additional costs and increased installation from increased burn-out rates