Double truss a-frame roof certified 130 MPH wind gust and 30 lb PSF snow load vertical roof, both sides closed 6', eight mobile home anchors, 5' corner braces. This building requires a lift at the site to unload and stand the bows. There is a lift charge for $1800 and a logistics fee of $1500 that is not included in the price. Customer may optionally supply forklift.