Winter storms can bring an array of potential exposures and hazards to property, people and business. Record snowfalls especially present the potential for roof collapse. To help prevent snow/ice-related roof collapse, the following steps should be taken. A structural engineer or qualified professional also should be consulted.
Buildings with wood bowstring truss roofs are prone to failure due to truss deterioration where it meets the wall.
Ask the contractor to provide proof of adequate insurance coverage. Check with your insurance agent for help.
Be prepared to turn off automatic sprinkler systems.
Implement contingency plans if collapse is imminent or has occurred.