The answer to 'how to maintain drip edge' is to regularly inspect and clean the drip edge on your roof. The drip edge is a critical component that helps prevent water damage by directing water runoff away from the roof's edge and into the gutters. To maintain it, you should visually inspect the drip edge for any cracks, gaps, or loose connections at least once a year, and clean it of any debris buildup.
Start by using a soft-bristle brush or cloth to gently remove any leaves, twigs, or other debris that has accumulated on the drip edge. Avoid using harsh chemicals or pressure washers, as these can damage the metal. Next, check for any loose, bent, or damaged sections of the drip edge and address them promptly. If you notice any issues, you may need to have a professional roofer repair or replace the drip edge to ensure it continues to function properly.