The answer to 'when to replace flashing repair' is that flashing should typically be replaced every 10-20 years or when it shows signs of wear and tear, such as cracks, holes, or rust. Flashing is the metal or plastic material used to seal the joints and gaps around roof features like chimneys, vents, and skylights. Proper flashing is essential to prevent water leaks and damage to your home's structure.
Over time, flashing can become damaged or deteriorate due to weather exposure, thermal expansion, and other factors. Replacing flashing before it fails is important to maintain a watertight roof and protect your home. Signs it's time to replace flashing include visible cracks, holes, corrosion, or loose/missing sections. If you're unsure, it's best to have a professional roofing contractor inspect your flashing and make recommendations.