Millboard® Durafix® Board to Joist Insert Screws 45mm x 4.5mm (Box 250)

Box of 250 4.5mm x 45mm screws for installing Millboard decking onto DuoSpan or Plas-Pro subframes that have a thickness of 20mm or greater, through the side using the DuoFix guide or through face of the decking boards. These fixings should not be used to fix Millboard decking onto timber subframes.