The Biohort floor panels are made from high quality aluminium chequered plate. They are 2mm thick and consist of or 2-4 panels depending on the size of your desired shed. The aluminium floor frame is essential for optimal installation Features: Constructed from hot dipped galvanised polyamide coated steel plate Comes complete with a 20 year guarantee against corrosion Maintenance Free 2m thick aluminium chequered plate Specifications: Dimensions: H:0.2 x W:157.5 x D:157.5 cm Colour: Silver Guarantee:20 Years Against Corrosion Material: Aluminium Model Number: 48014 Self Assembly Required: Yes