The Australian Trellis Security Door Company supply an extensive  range  of expanding security doors. Trellis Security doors are constructed from precision engineered steel, and are galvanised and powdercoated for optimum corrosion protection. The range includes fully framed options for extra security( including wall mounted locking mechanisms ) as well us up/down locking options for seamless locking without floor track. These door systems are ideal to secure shopfronts,shopping centres,hotels,pubs,clubs,offices,warehouse showrooms,windows and doorways,medical centres,banks,hospitals,schools and universities and many more Standard finishes include black satin or pearl white powdercoat and in some cases can be powdercoated to match the Dulux or Interpon colour…