Also, proper construction techniques and materials based on the most current model building codes can be used in both new construction and into existing construction to reduce the damage from low to moderate intensity tornadoes. In addition to building damages, businesses also suffer from loss of inventory, business interruption and loss of wages for their employees when a building is damaged. Businesses, especially small businesses, often do not re-open from these combined losses creating a substantial impact on the owner, the workers, and the community. Property Protection Use threaded fasteners to attach metal roof decking.
Welds are often insufficient to carry uplift loads.
Use enhanced wind design for the roof coverings on essential facilities for those buildings located in tornado-prone areas. Use adequate ties to foundations and roofs when reinforcing concrete and partially reinforced masonry. Diaphragm action to resist wind generated shear forces must be maintained and reinforcement must be properly placed in concrete and masonry walls to reduce the possibility of collapse during high wind storms. Use anchors in precast concrete buildings to prevent the uplift of hollow core planks and other precast elements during high winds. Minimize the creation of windborne debris, by appropriately designing, manufacturing, and installing architectural features.