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 HOA or Condo Roof Leak: Who Actually Pays? It depends on your governing documents, but the roof itself is usually a common-element responsibility. Here’s how to think about it. Most condo and HOA governing documents treat the roof as a common element, meaning the association — not the individual unit owner…
BERKELEY FLAT ROOF BLOG What Causes Bubbles or Blisters on a Flat Roof? Usually trapped moisture or air between roofing layers, expanding under heat. Not always an active leak, but worth checking. Blisters form when moisture or air gets trapped between roofing layers during installation, or when water finds its way in through a small…
BERKELEY FLAT ROOF BLOG Water Stain on the Ceiling But No Active Drip — Still a Problem? Yes. A dry stain doesn’t mean the leak is gone — it usually means it hasn’t rained hard enough recently to reactivate it. A stain that isn’t currently wet is common after the rain that caused it has…
BERKELEY FLAT ROOF BLOG Roof Leaking in a Rental? What Berkeley Tenants Should Know A leak in a rented unit is the landlord’s responsibility to fix, but knowing what to document helps things move faster. If you’re renting and notice a leak, document it right away — photos of the water damage, the date you…
BERKELEY FLAT ROOF BLOG How Long Does a Flat Roof Actually Last? It depends heavily on material, installation quality, and climate exposure — not a single fixed number. Modified bitumen and built-up roofs commonly last 15-20+ years when properly maintained. EPDM can run similar or longer. TPO and PVC single-ply systems are newer technologies but…
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…
BERKELEY FLAT ROOF BLOG Flat Roof Leaking Only at the Joins? Here’s Why Where a flat roof meets a wall, another roof section, or a different building material, that seam is doing the hardest work on the whole roof. A join between a flat roof and an adjoining structure isn’t just a flat membrane —…
BERKELEY FLAT ROOF BLOG What Is a Reasonable Cost to Replace a Flat Roof? Replacement pricing swings more than repair pricing does, because so much depends on square footage, material, and what’s underneath. Replacement cost is driven by square footage first, then material choice, then what condition the decking is in once the old membrane…
BERKELEY FLAT ROOF BLOG How Much Does It Cost to Fix a Leak in a Flat Roof? The honest answer: it depends on what’s actually wrong. Here’s how to think about it before you call anyone. A single flashing repair might run a few hundred dollars. A membrane replaced across a large section of roof…