Where a lumber supplier deliberately shipped and then concealed shipment of uncertified lumber, damages in building projects were natural and ordinary result of this decision, not a result of an accident as defined under its insurance policy.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Elaine E. Bucklo.Chicago Flameproof is an Illinois-based distributor of commercial building materials, including fire-retardant and treated lumber. Chicago Flameproof maintained general liability insurance …