The big top 40 x 80 warehouse marquee is the clear span structure with 40m width and the infinite extended bay base on the 5m a section. The tent is user-friendly and cost – effective which has no special requirements on the building site, such as sand, grass, asphalt, concrete and tile floor, thus further reduce the cost. All Shelter- tent supply with a frame and solid structure with different cover to choose from. For the warehouse tent, ABS solid wall, sandwich panel wall is the most common.