The answer to 'how to maintain flat roof' is to regularly inspect, clean, and repair the roof to prevent leaks and damage. This includes checking for cracks, blisters, or pooling water, clearing debris, and addressing any issues promptly. Proper maintenance can extend the life of a flat roof and prevent costly repairs down the line.
It's recommended to inspect the roof at least twice a year, in the spring and fall. During the inspection, look for signs of wear, damage, or potential problems. Clean the roof by removing leaves, twigs, and other debris that can clog drains and cause water buildup. Seal any cracks or holes with a compatible sealant, and address any areas of standing water. If you notice significant damage or issues, it's best to call in a professional roofing contractor for further evaluation and repairs.