Split your shed with a wooden wall partition (specify details on checkout).
Tanalised rot-resistant Floor Runners - what the flooring's nailed to. All our sheds come with the required number, but Add more if you need to increase the floor strength when storing exceptionally heavy items.
Raise the shed up from ground by an extra 2 inches with rot-resistant Tanalised Bearers.
Add more boards to raise the shed roof. Each board will add 4 inches (101mm) to height.