The clear span of the big tent BTA series is from 10m to 25m and the main profile size is 204x110x4mm. Big Tent-BTA series are modular structures and can be increased or decreased in bay distance of 5m according to the client’s requirements. The main frameworks (upright support and roof beam) are manufactured with high-impact extruded anodized aluminum (6061/T6). The PVC covers use PVC-coated polyester textile and flame retardance which is based on the European standard DIN 4102B1, M2. The big tent-BTA series can resist up to 100km/hr wind loading.