What Fixings Should I Use With Siniat Systems?
Guidance on selecting the appropriate fixing type for Siniat boards and framing systems
The appropriate fixing should be selected based on the board type and substrate. The guide below outlines the recommended Siniat fixing screws for common applications.
| Fixing Type | Application | Key Requirements |
|---|---|---|
| High Thread Drywall Screw | Fixing plasterboard to timber studs, battens and joists | Minimum 25mm penetration into timber. |
| Self Tapping Screw | Fixing plasterboard to light gauge metal framing (up to 0.7mm thick) | Minimum 10mm penetration into the metal stud. |
| Self Drilling Screw | Fixing plasterboard to thick gauge metal framing (over 0.7mm - 2.5mm thick) |
Minimum 10mm penetration into the metal stud. |
| Wet Area High Thread Screw | Fixing Aquaboard™ and Weather Defence™ to timber framing |
High-thread screw with ceramic coating for humid and external applications. Minimum 25mm penetration into timber. |
| Wet Area Self Tapping Screw | Fixing Aquaboard™ and Weather Defence™ to metal framing up to 0.7mm thick | Fine-thread screw with ceramic coating for humid and external applications. |
| Wet Area Self Drilling Screw | Fixing Aquaboard™ and Weather Defence™ to metal framing up to 2.5mm thick |
Self-drilling screw with ceramic coating for humid and external applications. |
| Collated Wet Area Self Drilling Screw | High-speed installation of Aquaboard™ and Weather Defence™ to metal framing up to 2.5mm thick | Same application as the Wet Area Self Drilling Screw but supplied in collated strips for use with compatible screw guns. |
| Performance Self Tapping Screw | Fixing Siniat Performance Boards to metal framing up to 0.7mm thick |
Minimum 10mm penetration into the metal stud. |
| Wafer Head Screw | Connecting Siniat metal components |
Low-profile head used to connect Siniat metal components beneath plasterboard. Available in self-tapping and self-drilling variants depending on metal thickness. |
Key points to note
Screw lengths should be selected to suit the board thickness, number of board layers and substrate being fixed into.
Fixings should be located a minimum of 10mm from bound board edges and 13mm from cut board edges, unless stated otherwise in the relevant system guidance.
Aquaboard™ and Weather Defence™ should be fixed using the appropriate Wet Area Screw.
Fixings should be installed in accordance with the relevant Siniat system guidance and fixing centres.
All screws listed are manufactured to BS EN 14566.
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