Los Angeles is dry most of the year, then gets its rain in a concentrated winter stretch. For a newer roof, that is no problem. For an older roof, it is the moment of truth. Years of sun have dried and aged the materials, small weak spots have gone untested through the dry months, and then the storms arrive and find every one of them. If your roof has some age on it, a little attention before and during the rainy season makes a real difference.
An aging roof has already been worn by years of LA sun, which dries out shingles, ages the underlayment beneath tile, and loosens flashing. Through the long dry season, none of that is tested. When the winter storms come, the accumulated wear meets real water for the first time in months, and the leaks show up. An older roof also has less margin: where a newer roof shrugs off a small issue, an old one leaks. Our page on how the sun ages roofs covers that wear.
The best protection happens before the first rain. Clear the gutters and valleys so water can leave, reset any slipped tiles, check the flashing, and handle any known weak spot in the dry weeks beforehand, covered on our page on preventing leaks before the rainy season. On an older roof this pre-season attention matters even more, since it has more weak spots to find.
| Step | Why it helps an old roof |
|---|---|
| Clear gutters and valleys | Aged roofs leak faster when water backs up |
| Reset slipped tiles early | Exposed underlayment is already fragile |
| Check and reseal flashing | Old flashing fails first |
| Handle known weak spots | They will not survive the season |
| Get a pre-season inspection | Finds what age has weakened |
If a storm gets through and a leak appears, protect the inside and get it traced, since on an older roof a leak spreads through already-weakened materials quickly, covered on our pages on what to do after a ceiling stain and delaying a repair. A prompt roof repair keeps one storm's leak from becoming widespread damage.
The harder question with an older roof is whether to keep patching or to plan a replacement. If you are calling for a new leak every winter, the roof is telling you it is near the end, and continuing to repair is spending money on a losing cause, covered on our page on repair versus replace. The smartest move is often to replace an aging roof in the dry season, on your terms, before it fails in a storm, as our page on the best time to replace a roof explains. A roof inspection tells you honestly where yours stands.
An honest read before winter. Call (310) 806-5959 or request an inspection below.
Tell us about your roof and we will check it before the rains and give you a written price for any work, with no obligation.