Local weather advisory
The National Weather Service has issued a coastal flood advisory covering Berkeley. Heavy rain and drainage loading can expose roof leaks, blocked drains, and ponding water. This is a weather exposure advisory; it does not establish damage to a specific roof.
Do not access a roof during hazardous weather. Protect people first, avoid water near electrical equipment, and request roofing help when conditions permit.
National Weather Service · Updated Oct 28, 2026, 7:20 AM UTC
Commercial roofing in Pinole from our Berkeley crew: chalky, worn roofs checked for adhesion, seam and drain repairs before any coating restoration is priced.
Service Areas  | Berkeley, CA
A chalky roof surface, the kind that leaves white powder on your hand, is one of the first things we look at when an owner asks about a roof coating. New coating will not stick to loose chalk or dirt, and a power wash does not always get the surface clean enough. We assess and repair commercial roofs in Pinole from our base in Berkeley, CA, and we check the existing surface before pricing any restoration, so the coating actually bonds and lasts.
Commercial buildings along Pinole Valley Road, near the library, and out along Fitzgerald Drive each get their own surface check. We confirm what type of roof is up there and how worn it is, and the manager confirms we can access the areas to be coated. Our roof coating restoration planning ties the coating to the roof underneath. Knowing the coating brand is not enough on its own.
A worn roof can shed loose material that keeps new coating from sticking. We look at the surface and pick a cleaning method that suits the roof, whether pressure washing, scrubbing or a cleaner made for that membrane. The goal is to remove loose residue without damaging the roof. If parts of the membrane are too far gone, cleaning will not save them, and they need repair. We explain what each prep step is for.
Our roof inspection compares the coating area with the details and old repairs on the roof. Different parts of a roof can have different surfaces, like a mix of original membrane and past patches. One clean test spot does not tell us about every patch. We mark those differences on the roof plan, and the estimate lists the prep each area needs.
An adhesion test is a small patch of coating applied to a prepared spot, then pulled after it cures to see how well it held. It tells us whether that surface will take that coating. We record where we tested and what the surface was like. Another type of surface on the same roof may need its own test or a primer. One good test does not prove everything underneath is sound.
Our silicone roof coating recommendations depend on the actual surface and the manufacturer’s requirements. If we are not sure the surface will take the coating, we tell you what extra prep or testing is needed and how that affects the schedule. A product name alone cannot guarantee it will bond to your roof.
Even a clean roof can have failed seams, loose flashing or lifted edges. Those have to be repaired before coating, because coating will not hold together parts that are coming loose. We check the seams, flashings and edges and list the repairs needed. That work is listed separately from general cleaning, so you can see it.
Our commercial roof repair work before coating includes cutting back to solid roof at each problem spot. If we find wet insulation, it gets replaced, and you see photos before we add that work. Dry, solid layers can stay. If damage is widespread, a coating may not be the best option, and we show you why.
Coating does not fix drainage. If water ponds in a low spot or a drain is clogged, coating over it does not help. We check where water flows and how the drains are working before deciding where the coating goes. Old raised patches near a drain can block water. If the roof needs re-sloping, that is a separate job, and we say so before anything is coated.
Our roof drain and scupper checks look at each drain and the membrane around it. A damaged drain needs repair, not coating. If the pipe inside the building is the problem, that is a job for a plumber. You can compare coating with the drainage work the roof really needs. A cleaner-looking roof does not mean water will reach the drain.
Cleaning and coating need access, staging space and protection for the rooms and entrances near the work. We confirm all of that with the manager, along with any rooftop equipment work happening at the same time. Coatings need the right weather to cure, so we plan work days around that. The plan covers work hours and protection before we start.
A building on Pinole Valley Road gets its own delivery plan based on how materials reach its roof. Our reroofing over occupied buildings work covers those arrangements. If you also have roofs in San Pablo or Hercules, we can inspect them on the same trip, but each gets its own surface check and work schedule.
The completion record lists the cleaning and repairs done before coating, with photos tied to fixed landmarks on the roof. The finished coating gets its own photos. If a loose spot shows up later, it can be compared with the original condition. That makes future maintenance easier.
A whole-roof coating only makes sense if the whole roof is in good enough shape. If large areas are loose or wet, that changes the plan, and we explain why more testing or a partial tear-off may be needed. You see what the coating would fix and what it would not, so the decision is based on the roof’s condition and not one clean test spot.
The retail district along Fitzgerald Drive and the I-80 corridor has a lot of customer traffic and big store roofs. We plan roof access so ladders and staging stay clear of entrances, deliveries and fire lanes. On large flat roofs, we sketch where water drains and note which drains we checked, since one clogged drain can affect a big area. Bay weather helps us time inspections, but repairs are based on what we actually find on the roof.
We keep the final roof map with the property file and note any access limits that might change before the next visit.
Let us check the surface before you commit to a coating. You get plain photos and a list of the prep and repairs needed first.
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