The answer to 'what is drip edge' is drip edge is a metal flashing that is installed along the edges of a roof. It is designed to direct water runoff away from the fascia board and siding, preventing water damage to the home's exterior. Drip edge is typically made of aluminum, galvanized steel, or copper, and is installed under the roofing material and over the fascia board.
Drip edge plays a crucial role in protecting the roof and home from water damage. It helps to prevent water from seeping under the roofing material and causing rot, mold, or other issues. Drip edge also helps to prevent water from running down the fascia board and causing damage to the siding or foundation.