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Boral Shingle Repair: The Woodland Hills Owner’s Guide
Boral shingle repair in Woodland Hills typically costs $340 to $780 installed for a localized section, with full slope replacements running $1,900 to $4,600 depending on square footage and underlayment condition. We stock Boral-compatible material on our trucks and can usually do a standard section repair in a single visit. Most homeowners discover a Boral problem after a Santa Ana wind event or the first heavy rain of the season, when they notice a shingle in the yard, a dark stain spreading on the ceiling, or granules gathering in the gutter. Boral roofing is tough stuff, but Woodland Hills has a way of finding its weak points: prolonged UV exposure, sudden temperature swings between the Valley floor and the hills, and wind gusts that work loose the seal strips on aging pieces.
Which Boral Models This Applies To
Boral makes several roofing lines, and the repair path depends on which one you have. The two we see most often in Woodland Hills are Boral’s concrete tile profiles and their newer polymer/stone-coated steel shingles. The concrete tiles include flat, low-profile, and high-profile barrel shapes like the Boral Barcelona or Capistrano series, while the steel shakes and slate profiles fall under the Boral Steel line. Here is the compatibility gotcha most homeowners do not realize: Boral concrete tiles are not universally interchangeable across manufacturing years. The tile lugs, or the small ribs on the underside that lock each tile onto the batten, changed subtly over time, which means a tile from 2005 may not seat properly on a 1998 install. We match the profile by measuring the tile’s overall length, the lug spacing, and the weather exposure, not just by visual appearance. On the steel side, which is far less common but growing in the Warner Center corridor, the panel width and the granule color lot matter, because a mismatched panel will stand out from the street on a clear Valley afternoon. You also have the OEM versus aftermarket decision: for Boral specifically, we default to Boral or Boral-licensed product because the color matching on their granule blends is difficult to replicate, but there are quality aftermarket underlayment and flashing materials we use where they outperform the original spec. And one thing to be clear about: Mercer Roofing Co Woodland Hills is an independent service provider. We are not affiliated with Boral. We just see a lot of their product on roofs across the 91364 and 91367 zip codes, and we know how to make it right.
Styles & brands we work with






Signs Your Boral Shingle Repair Is Failing
- Granule loss collecting in gutters or at downspout elbows. On Boral steel shingles, the stone coating is bonded to the steel core. Once the bond fails due to years of UV, you will see the granules start to shed. Beneath them, the bare metal begins to oxidize, which shortens the panel’s life considerably.
- Visible hairline cracks across the face of concrete tiles. Boral concrete expands and contracts with Woodland Hills heat. Over time, repeated stress from those hot-then-cool cycles can cause fine cracks that let water migrate under the tile and saturate the underlayment below.
- Slipped or dropped tiles exposing the underlayment. If you see a gap in the tile field where you can spot the black felt or synthetic underlayment, that underlayment is now taking direct sun and weather. It is not designed to be a permanent wearing surface, and every season it sits exposed shortens the roof’s total life.
- Water staining on ceilings or exterior walls after rain. By the time water shows up inside, the problem on the roof has usually been present for a while. Boral tile and steel are the first line of defense, but the underlayment beneath is what actually keeps the home dry. Once water gets past the tile, it follows the path of least resistance, and that is often a nail hole or a seam in the underlayment.
- Fasteners backing out or rattling in high wind. On steel Boral profiles, a loose fastener is a direct leak path. On concrete tile, the nails or screws hold the tile against the battens, and when one fails, the tile shifts, which starts a chain reaction across the course.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
Here is the straight pricing picture for Boral shingle repair in Woodland Hills, because you should know the numbers before you pick up the phone.
| Repair Scope | Typical Installed Price |
|---|---|
| Localized tile/shingle replacement (up to 10 pieces) | $340 to $780 |
| Section repair with underlayment patch (one slope, partial) | $850 to $1,600 |
| Full slope replacement including new underlayment | $1,900 to $4,600 |
| Flashing and valley work alongside shingle repair | $250 to $700 added |
What drives the range is the condition of the underlayment, the pitch of the roof, and whether the surrounding tiles need to be reset. On a steep two-story home in the hills south of Ventura Boulevard, the logistics cost more than on a single-story El Camino ranch. Every repair comes with a written price before any work starts, so the number you see on the quote is the number you pay. There is no surprise line item added at the end. Every Boral repair also carries a written 365-Day Done Right Promise: if the repair is not right within a year, we make it right, and that includes a free second visit. That is not a verbal promise. It is written on every job.
DIY or Call Us?
There are a few things you can safely check from the ground or from a ladder, and then there is the point where you should stop. You can look for missing tiles, check gutters for granule buildup, and take photos of anything questionable. That is useful information to have when you call. What you should not do is walk a Boral tile roof. Concrete tiles crack under concentrated foot traffic, and a cracked tile you create is now another repair. Steel Boral shingles are even less forgiving: stepping between the fasteners can deform the panel and break the granule bond. Roof work on any pitched surface also carries a real fall risk, and the last thing anyone needs is a hospital visit because a roof inspection went sideways. This is the kind of work where a trained professional with proper fall protection and the right tile stock on the truck makes sense. If you want to send us photos of what you are seeing, call (341) 217-2677 and we will walk through it with you. If it looks like a repair is needed, we will schedule a visit and send the technician’s name and photo before they arrive, so you know exactly who is at your door before the doorbell rings. That is a standard we do not bend on.
FAQs
Boral concrete tile can last 50 years or more when the underlayment is replaced on schedule, but the underlayment itself typically needs replacement every 20 to 30 years in our climate. Boral steel shingles carry a 50-year manufacturer warranty, but the real-world granule retention in high-UV areas like Woodland Hills is usually 25 to 40 years before you see significant shedding. The tile outlasts the waterproofing beneath it, which is the single most important thing to understand about Boral roofing. If you are unsure where your roof sits in that timeline, call (341) 217-2677 and we will give you an honest read.
A cracked tile should be replaced, not patched. Sealants and adhesives do not hold up under the thermal movement we get here, and a patched tile will eventually fail again. The good news is that replacing individual Boral tiles is a fast job when we have the matching profile, which we stock for the most common Woodland Hills installations. Call (341) 217-2677 with a photo, and we can often identify the profile before we even send a truck.
A localized tile or shingle replacement usually takes one to three hours on site, assuming the underlayment underneath is intact. If we find damaged underlayment once the tiles are lifted, the job grows to a day, and we will walk you through that with photos and a written price before proceeding. We do not start expanded work without your approval in writing first. That is a hard rule with us.
We keep the most common Boral concrete profiles and steel shingle colors on our trucks and in our local supply, including the flat and low-profile tiles seen throughout Woodland Hills tracts built in the 1980s and 1990s. For less common profiles or older color lots, we source directly from Boral or licensed suppliers, which usually adds two to five business days. If we also handle GAF, Owens Corning, and CertainTeed repairs, by the way, it is because Woodland Hills has a mix of everything, and the right material match matters more than brand convenience. For a specific Boral match, call (341) 217-2677 and we will tell you straight whether we have it on hand or need to pull it.
Written by Grant Whitlock, Owner, Mercer Roofing Co Woodland Hills at Mercer Roofing Co Woodland Hills, serving Woodland Hills and nearby areas.