The Shire Mammoth 10ft x 30ft Heavy Duty Shiplap Workshop is manufactured from high grade FSC certified timber to make for an extremely sturdy shed. The 3” x 2” framing & fully braced panels make the Mammoth one of the strongest workshops available. The roof & walls are constructed using 12mm shiplap with a heavy duty 16mm tongue & groove floor with 3” x 2” floor joists. The double doors are ledged & braced & mineral felt is provided for the roof. Please Note: 2 windows included only, please refer to line drawing for positioning, image are for illustrative purposes only. Please note, unfortunately we cannot deliver this item to the Channel Islands.