Torch-down roofing is a popular flat roofing method where a bitumen-based membrane is applied using a torch to melt edges, creating a watertight seal. Over time, this material can suffer from UV degradation because constant exposure to sunlight breaks down the chemical structure of the bitumen. This causes it to become brittle, crack, and eventually allow water to seep in. Simple signs of UV damage include visible cracks, bubbling, or color fading on the roof surface. As a homeowner, safely inspecting your roof from the ground or a secure ladder for obvious signs of wear is a good start. Look for patches where the torch-down membrane has lost its smooth texture or where the damage looks widespread. Avoid walking on the roof unnecessarily, especially if it feels soft or brittle.
When you notice signs of UV damage, it’s best to bring in a roofing professional to assess the extent. Ask your contractor if the membrane installed includes UV-resistant additives and how long the warranty lasts considering UV exposure. It’s also helpful to inquire about maintenance routines that can help extend the life of torch-down roofing in sunny climates. Repairs often involve patching minor cracks or applying a protective reflective coating to slow further UV damage. In severe cases, replacing the membrane might be necessary. Remember, using the right materials and following manufacturer installation guidelines ensures your warranty remains valid and your roof stays reliable in the long run.