3 joining plates per join are required for Synergised aluminium boards.
SC Aluminium Decking Board 3600 x 120 x 21.6mm
SC Aluminium Starter Trim 3600 x 9.00 x 21.6mm
SC Aluminium Edging Trim 3600 x 34.8 x 24.4mm
Self Tapping screw PZ2 CSK Black 3.5 x 16mm 6g x 5/8 (Box of 200)
SO Aluminium Decking Board 3600 x 145 x 30mm