Decking screws for steel joists
The SPAX timber to steel screw is ideal for fastening decking, fencing, screening or fibre cement board to steel joists.
44mm screw for boards between 11-22mm thick.
71mm screw for boards between 35-50mm thick.
How many screws do I need?
Use our Screw Calculator to work out how many & which screws you need.
It is important to use the entire system of products below to avoid any screw failures. Please read the INSTRUCTIONS on how to use this screw system.