ElectricianSupplies.com is your source for Service Entrance items including Flashings ! Try emailing or calling us at 800-448-2014 - we'll do our best to answer your questions. Flashings orders are processed within #time#. We ship from three warehouses via Fedex and UPS. ElectricianSupplies.com has been supporting Electricians and Engineers since 1989 - count on us for dependable delivery and secure shopping!