Metal Roof Repair in Torrance, CA
- 4.8★ from 73 Google reviews
- Free estimates
- Same day or next day service
- Photos of what we find
Metal roofs have a reputation for being low-maintenance, and the panels themselves mostly are. The trouble is in the parts that hold them on and keep the joints watertight. This page covers metal roof repair in Torrance as part of our wider roof repair work, what we look for, and how each problem gets fixed.
Why do metal roof screws back out over time?
On exposed-fastener roofs, which include corrugated and ribbed panels on many patio covers, carports, storage buildings and some homes, every panel is held with screws that pass through a rubber washer. Four things wear that arrangement out.
- Thermal cycling. Metal grows and shrinks with the day's heat. Screw holes stretch into ovals and the screw slowly rocks loose.
- Washers dry out. Sunlight cracks the rubber, so even a tight screw leaks around the head.
- The base moves. Wood purlins shrink and split. Screws strip out of them.
- Sealant is not a fix. A smear of caulk on a screw head holds for a season while the real problem continues.
The proper repair removes the failed screw, checks the material below, installs the right fastener in the right place on the panel profile, and seats a fresh washer. Where the hole is stripped, we move to a larger fastener or drive into sound framing.
How do you seal a leaking metal roof seam?
Seams leak at the side laps, end laps, ridge and rake closures, and on standing seam panels, where clips and interlocking edges are supposed to hold. Our order of work:
- Clean the lap and remove failed sealant and loose paint.
- Check that the panels are fully engaged and fastened.
- Replace tired tape or closure strips under the lap.
- Apply a sealant that is compatible with your metal and its coating. Not every sealant bonds to every finish.
- Water-check the seam where possible.
Roof cement is the wrong product on metal. It hardens, cracks as the panel moves and lets go. If you have been patching the same seam each winter, the seam probably needs rebuilding. Our standing seam metal roofs page has more on concealed-clip systems.
Can rust near the beach be repaired, or does the panel need replacing?
It depends on how far it has gone, and we show you photos so you can judge.
| What we see | Typical approach |
|---|---|
| Light surface rust, chalky coating | Wire-brush, treat, prime, recoat with a compatible finish |
| Rust at laps and fasteners | Clean, replace fasteners, reseal, recoat |
| Scale and pitting but no holes | Treat and coat, reassess at the next visit |
| Holes or thinned metal | Patch with a secured metal piece, or replace the panel |
| Rust at a gutter or flashing, with mixed metals | Isolate the metals and replace what has corroded |
Salt air matters here. Torrance sits near the Pacific, and homes close to the water, such as those in the Riviera and the beach cities, collect salt on the metal. Sheltered spots like undersides of eaves rust first because rain never rinses them. Dissimilar metals touching, such as copper next to galvanized steel or fresh pressure-treated lumber against bare steel, speed corrosion. A garden hose rinse now and then does more than most homeowners expect.
Loose panels, flashing and corrugated edges
Wind lifts the edges of panels that are under-fastened. We check panel overlaps, ridge caps, rake trim and the closure strips that fill the gap between the profile and the flashing. Walls and penetrations get their own flashing. When a metal roof meets a stucco wall or a chimney, the joint is where most metal roof leaks that are not at fasteners actually start. Our flashing repair and chimney flashing repair pages cover those joints.
Our post on metal storage building leaks explains why some buildings keep leaking after repeated patching.
What a metal roof repair visit involves
- We inspect from the ground first, then walk the panels where they are supported. We avoid dew-wet metal when we can.
- We check fasteners, laps, closures, flashings and any rust.
- Inside the building, where we can reach, we look for water trails and condensation. Metal roofs can sweat, and condensation is sometimes mistaken for a leak.
- We photograph what we find and walk you through it.
- We agree on the repair and give the estimate. Estimates and inspections are free.
- We repair, then clear away old fasteners, sealant scrapings and metal shavings, which rust on a roof if they are left there. We protect landscaping and driveways.
Signs your metal roof needs repair
- Water trails or drips below a row of screws after rain
- Screw heads standing proud, or rubber washers cracked or missing
- Rust rings, orange streaks or chalky paint along laps and eaves
- Panel edges that flutter, lift or rattle in wind
- Dripping on cold mornings with no rain, which may be condensation and not a leak
What a metal roof repair includes, and which rules apply
A metal roof repair covers these deliverables:
- Replacing failed screws and washers with the correct fastener for the profile
- Cleaning and resealing laps, closures and flashing joints
- Treating and recoating surface rust, or patching and replacing panels where the metal is gone
- Photos of each repair point before and after
- Removal of shavings, old fasteners and sealant scrapings
Like-for-like repairs often need no permit, but replacing panels across a large share of a roof or a commercial building can. Torrance permits go through City of Torrance Building & Safety, (310) 618-5910; unincorporated areas use LA County Public Works. Confirm the rule for your address, and verify any roofer's California license on the CSLB site, cslb.ca.gov.
What changes the price of a metal roof repair?
We do not post prices. Published 2026 cost guides place most roof repairs between $300 and $1,500, which is market data, not a quote. On metal, the quote moves with:
- The number of fasteners and seams involved
- How much rust, and whether panels must be replaced
- Roof height, pitch and access, including big commercial roofs
- Panel profile and finish availability, which affects matching
- Whether work can be done in one visit or has to be staged around business hours
If you manage multiple buildings, ask about staging the work. Financing questions can be raised at the estimate.
Why Crown Trim for metal roof repair
- Photos of the exact screw, seam or rusted spot that is letting water in.
- Estimates and roof inspections are free.
- Repair before replacement, and panels replaced only where the metal is actually gone.
- We work on homes, apartments, HOAs, storage facilities and commercial buildings.
- Shavings, old fasteners and sealant scrapings removed, with landscaping and driveways protected.
- 4.8 stars from 73 Google reviews.
We repair metal roofs in Carson, Redondo Beach and Rancho Palos Verdes, and the communities between them. Carson has a mix of industrial and storage buildings with larger metal roofs. Redondo Beach properties near the water deal with more salt exposure. On the Peninsula, wind and hillside access shape how we stage the job. If you are considering new panels instead of repair, see metal roofing.
Where we do metal roof repair around Torrance
Each place brings its own version of this job.
- Avocado Heights: Horse-friendly lots with barns and outbuildings along San Jose Creek, where metal panels, fasteners and seams are common repair points.
- Hermosa Beach: Tight beach lots with metal accents, roof decks and shared walls expose trim and fasteners to salt, so rust at joints is a regular finding.
- Seal Beach: Old Town cottages sit in direct salt air, where metal flashing and fasteners corrode quicker than anything inland.
- Marina del Rey: HOA-managed mid-rise roofs in constant marine air, where dissimilar metals touching speed corrosion at curbs and flashing.
- El Segundo: Aerospace and office buildings east of Sepulveda with metal roofs and rooftop equipment penetrations that need regular sealing.
- Carson: Industrial and storage buildings along the 405 and 110 carry large ribbed metal roofs where fastener failure repeats across hundreds of screws.
- Gardena: Small industrial lots with older ribbed steel roofs, where staged repairs keep the business open between visits.
- West Rancho Dominguez: Warehouses beside Rosecrans and the 110 have metal roofs, and county permit rules apply to larger work in this unincorporated area.
- Vernon: An almost entirely industrial city where food-processing and cold-storage metal roofs also have condensation issues that mimic leaks.
- Santa Fe Springs: Oil-era city with a large industrial base, so metal warehouse and manufacturing roofs outnumber homes.
What customers say about this work
Crown Trim Roofers holds 4.8 stars from 73 Google reviews. Read all reviews
“If you’re thinking about upgrading your home with a metal roof, I highly recommend this roofing team.”
“I highly recommend this company for any roofing job, whether you need a quick leak fixed or a whole new roof put on.”
“Later on, i saw a roofing crew working on a neighbor’s home, installing copper flashing, and noticed they also handled gutters.”
Metal Roof Repair: common questions
Why do metal roof screws back out over time?
Metal expands in the afternoon sun and shrinks overnight, and that cycle works against every fastener. Screw holes in the panel enlarge, the wood or steel beneath loosens, and the rubber washer under the head dries and cracks. Once a screw sits proud, water runs down the shank. We replace it with a correctly sized fastener and a fresh washer, not sealant alone.
Can rust on a metal roof near the beach be repaired or does the panel need replacing?
Surface rust and coating loss can usually be cleaned, treated, primed and recoated. Panels with holes or deep pitting are different: those need a patch that is secured properly or a replacement panel. Salt air makes sheltered spots, like under eaves, corrode first because rain does not rinse them. We show you the condition before recommending either.
How do you seal a leaking metal roof seam?
We clean the lap, remove failed sealant and apply a sealant that is compatible with your metal and coating, often butyl tape or a polyurethane or silicone product, depending on the panel. On standing seam roofs we also check that the seam is fully engaged. Roof cement is a poor choice on metal. It dries, cracks and lets go.
Is it safe to walk on my metal roof to look for the leak?
Metal can be slippery, especially with morning dew in the marine layer, and walking in the wrong spot can dent panels. Check from the ground or from a ladder at the eave, photograph any wet marks or loose screws, and let us do the walking. We set foot where the panel is supported.
Do you repair metal roofs on storage buildings and commercial properties?
Yes. We work on metal roofs on homes, storage facilities, apartments and commercial buildings. One Google reviewer who manages a storage facility in Torrance hired us for repairs on metal roofing and storage units. For multi-building sites we can plan the work in stages. See our metal building and storage roofing page.
Does fixing a few screws really fix a metal roof leak?
Sometimes, yes. If the leak line runs down a row of failed fasteners, replacing them solves the problem. If water is entering at a lap, a flashing or a rusted hole, new screws will not help. That is why we trace the leak first and show photos of the actual entry point before fixing it.
Related services and guides
Roof Flashing Repair
Chimney Flashing & Sealing
Ceiling Stain After Rain: Emergency or Wait and Watch?
Roof Repair Cost in the South Bay: Small Fix or Big Job?
Why Rubber Vent Boots Fail in Southern California Sun
Where we work: Carson, Redondo Beach, Rancho Palos Verdes, Gardena and the rest of our service areas.
Metal roof leaking at the screws? Let us look.
Call first. A roofer picks it up from there.