A free standing lean to style plastic shed the duramax sidemate is constructed of the same tough vinyl as the rest of the duramax range and features the same steel reinforcements for added strength the sidemate has a single door to be placed in one of the 4ft gables but it is your decision which one while the duramax sidemate does not come with a floor as standard it does come with a steel base rail allowing you to bolt the shed to a pre prepared concrete or paving slab base new for 2016