SOPREMA Commercial Roofing in Richmond, CA

Roofing Manufacturers

When the base flashing peels away from a wall on a Richmond workshop roof, water runs straight down behind it and into the insulation. On a SOPREMA roof, the right fix depends on what the original flashing was made of and what it was stuck to. We start at the wall: how far the flashing has pulled loose, whether the wall surface behind it is still sound, and what it will take to rebuild the detail so it stays put. A flashing assessment at the peeled wall also tells us whether anything above the roof line, like a counterflashing, coping or siding panel, needs attention from another trade.

Product records help us identify the materials. The inspection tells us their actual condition. We use both before recommending a repair. You get a clear repair area, the order of the work, and a list of any open questions about the wall or deck before we order material. Knowing the roof is SOPREMA does not tell us how the crew will reach the wall or what shape the substrate is in. Once we know which SOPREMA system is installed, we match the repair materials to it.

Start where the flashing let go

A peeled flashing often extends farther than the loose edge you can see from the roof. We check the wall surface, the flashing on either side and the edges of any old repairs to find where the flashing is still tightly bonded. The wall may need cleaning, priming or new sheathing before the new flashing can be adhered. If the problem starts above the roof, such as cracked stucco, a failed coping joint or open siding, we point it out. New flashing will not stay dry if water is getting in behind it from higher up the wall.

The estimate should make clear whether we are coating over the problem or actually rebuilding the flashing. We explain what damaged material has to come out and what is sound enough to stay. If the deck or wall framing looks compromised, that goes to an engineer or the building owner's designer before we build on it. That way you are judging a real repair with a defined finish point. This matters when comparing bids: two proposals can name similar membranes and still differ a lot in how much they tear out and how far up the wall they go.

Each SOPREMA system repairs differently

SOPREMA makes SBS modified bitumen, PVC single-ply and PMMA or PMA liquid-applied roofing. Those products are not interchangeable. We identify what is installed and then choose a repair that suits both the system and the wall it ties into. A modified bitumen wall flashing repair needs the right base and cap sheets with proper prep at the wall. An old coating or patch we cannot identify gets tested before anything is applied over it.

A PVC flashing repair is heat-welded, which is a completely different process from torching or adhering a modified bitumen sheet or rolling a liquid-applied membrane onto a detail. We confirm the specific products for the job before setting materials and prep. You should know which materials meet at the repair and which surfaces need prep first. The product family helps narrow the choices, but the condition of the existing roof and the specific product requirements decide the final repair.

A modified bitumen repair depends on how the existing plies were built up and how the new sheet will be bonded. We check whether the surface can take that method and whether the base sheet or cap sheet has come loose. Torch work also needs a careful sequence and fire watch around the surrounding roof and wall. The scope lists the prep, each layer and how the flashing is terminated at the top, instead of calling a multi-ply repair a single coat.

We also explain whether a cap sheet repair is enough or whether we need to cut down through the base plies. Every exposed edge needs a secure tie-in and a proper seal, and that affects both cost and schedule.

Hidden water damage belongs in the price

Water that gets behind a peeled flashing usually soaks into the insulation along the wall. We check moisture before deciding what insulation can stay and how much needs to come out. An insulation and cover board repair along the wall should include removing the wet material, disposing of it and replacing it. Areas we suspect but have not confirmed are listed separately. New flashing over wet insulation leaves the problem in place.

Sometimes opening the roof reveals more damage than expected. When that happens, we mark the area, show you photos and give you a revised quantity to approve. The opening stays dried in while you decide. When comparing a small repair to a larger one, make sure both include the wet insulation that actually needs replacing. A bid that skips that work looks cheaper but does not solve the same problem. We point out those differences before you choose, and we keep areas we have not opened separate from areas we have checked and found dry.

Reaching the whole wall

A rooftop unit set close to the wall, or a work area below that cannot be disturbed, can block access to part of the flashing. We find out what the building operator needs to shut down or clear before we schedule that section. The rest of the roof might be ready to go while the wall detail waits. Working in separate windows can mean extra mobilizations and temporary protection, and we build that into the scope so the schedule and the repair match.

On a SOPREMA roof, the installed system and its matching components guide the repair. Your site rules decide the access route and where we can stage material. For SOPREMA roof repairs at the Port of Richmond, we plan deliveries and crew access around the repair locations and the order the work needs to happen in. A truck at the gate does not mean the crew has clearance to reach the wall. Buildings out at Point Molate and Winehaven sit right on the bay and take steady wind, so we confirm the installed SOPREMA material there before choosing repair components.

Comparing bids on the same repair

A GAF option for the same wall repair needs its own product selection and a check of the existing surface. A Sika Sarnafil PVC option needs the same review for a welded detail. Compare what each one actually includes: tear-off, insulation replacement and how the wall flashing is finished. Real differences in prep should be explained next to those items so that brand preference does not lead to a repair that leaves the wall problem unsolved.

Keep photos of the finished repair with the list of SOPREMA materials used and any insulation that was replaced. Write down the checks that were done and list any unit or wall work still waiting on another trade. The next contractor should start from that record instead of assuming every layer was checked during a visible repair. If the roof has a manufacturer warranty, review its maintenance and alteration terms before approving new work. A good record shows exactly what was fixed and what still needs work elsewhere.

Commercial Roofing Questions

Can a liquid-applied product go over an old, unknown wall coating?

Not until we know what the old coating is and whether the new product will bond to it. We test the surface first and pick the prep the selected product calls for.

How do I know where the wall repair will end?

The estimate should state where the new flashing ties into sound material, what damaged material comes out and how the top of the flashing is finished, so the repair reaches solid construction.

If one bid has less membrane, can it skip the insulation work?

No. If the insulation is confirmed wet it has to be replaced. Compare bids with that work included in both before deciding which scope is actually smaller.

What records help with future changes to the wall flashing?

Keep repair locations, product information and test results together, along with a list of work still pending from other trades. Check any warranty terms before approving new work.