BERKELEY FLAT ROOF BLOG Roof Leak After a Windstorm: What to Check First Wind damage on a flat roof often isn’t obvious from the ground — here’s what actually happens up there. Strong wind can lift the edge of a membrane, especially at parapet walls or roof edges where the attachment is weakest. It doesn’t…

BERKELEY FLAT ROOF BLOG What to Ask a Roofer Before You Hire Them in Berkeley A short list of questions that separate a legitimate contractor from a risky one. Ask for their CSLB license number and verify it yourself at cslb.ca.gov — don’t just take their word for it. Ask whether they’re offering a written…

BERKELEY FLAT ROOF BLOG Flat Roof Leak Near a Vent Pipe: A Quick, Common Fix Plumbing and exhaust vent pipes are small penetrations, but their rubber boot seals degrade faster than the surrounding roof. The rubber or neoprene collar around a vent pipe is exposed to more direct UV and thermal cycling than the flat…

BERKELEY FLAT ROOF BLOG Roof Leak Showing Up Only in One Specific Room — Why? The defect on the roof isn’t necessarily directly above the room where you see the damage. Water entering a flat roof doesn’t fall straight down into the building the way it might on a simpler structure. It travels along the…

BERKELEY FLAT ROOF BLOG Flat Roof Leak Only Happening at Night — What’s Going On? It’s rarely actually about the time of day — it’s usually about temperature and condensation dynamics that happen to peak overnight. What feels like a “night leak” is often condensation forming as temperatures drop after a warm, humid day —…

BERKELEY FLAT ROOF BLOG Can You Repair a Flat Roof Yourself With Basic Tools? For a small, clearly identified problem, sometimes. Here’s what that actually requires — and where it stops making sense. A small, well-identified seam or pinhole can sometimes be patched with mastic, a trowel, and fabric reinforcement — tools most hardware stores…