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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Boral Roof Replacement in West Covina: What to Know First
Boral roof replacement in West Covina means tearing off a concrete or clay tile system that’s reached the end of its life and installing a new roof that handles our hot, dry summers and occasional Santa Ana wind gusts without a problem. We do complete Boral tear-offs and replacements all over West Covina, and most jobs wrap in three to five working days once we’re on site. As an independent Boral service provider, we’re not beholden to the manufacturer, which means we’ll tell you honestly whether a full replacement is even necessary. If you’re a Boral owner wondering about cost, condition, or timing, call us at (831) 777-6412 and we’ll give you a straight answer.

This page is for homeowners in West Covina who currently have Boral roofing and need to understand what replacement involves, what it costs here, and how to know if their roof is actually failing. If you want the short version: Boral tile roofs in West Covina typically fail long before the tile itself wears out. The underlayment, flashing, and fasteners go first, and if you catch those problems early you may not need a replacement at all. If you do, the tile can sometimes be salvaged and reinstalled, which changes the cost picture considerably.
How Boral Products Fail – and How We Fix Them
Boral made a lot of different roofing lines over the years, and each has its own personality. Here’s what we actually encounter on West Covina roofs:
- Boral Villa tiles losing their fasteners. The Villa series was widely installed in West Covina subdivisions built in the 1980s and 1990s. The original fasteners were steel nails that rust through over time, especially in areas with proximity to the 10 Freeway corridor where airborne particulates accelerate corrosion. We’ll walk a Villa roof and find tiles sliding out of place because the nail heads are simply gone. The fix on replacement jobs: full tear-off, new stainless fasteners, and a modern underlayment rated for our climate.
- Boral flat tiles cracking at the corners from Santa Ana wind lift. West Covina gets seasonal gusts that catch tile edges and flex them against the battens. Flat-profile Boral tiles, especially the discontinued Espana line, crack at stress points. That’s a cosmetic issue at first, but cracked tiles invite water into the underlayment, which leads to decking rot. When we replace a roof with widespread corner fractures, we recommend going with an architectural asphalt shingle system (we install GAF, Owens Corning, and CertainTeed) because modern shingles handle wind uplift better than the older flat tile profiles.
- Underlayment failure beneath Boral Mission tiles. The Mission profile is heavy, which is great for longevity but rough on the felt or synthetic layer beneath it when the original install wasn’t properly ventilated. West Covina homes without adequate attic ventilation cook the underlayment from below until it turns brittle and tears. This is the most common reason we end up doing “replacement” where the tile itself is still perfectly serviceable. The honest fix: reuse the tile, replace everything underneath. The dishonest version is selling you new tile you don’t need. We do the former.
- Flashing failures at hips, valleys, and wall transitions on Boral Capistrano roofs. No tile system lasts if the metal flashings fail, and on Capistrano line installations from the 1990s, we regularly see galvanized flashing that’s rotted through at the corners. We’re replacing entire roofing systems where the tile looks brand new but the flashing has been quietly leaking into the decking for years. This is also why we push before-and-after photo documentation: you should see exactly what we saw when we tore the old roof apart.
- Crushed or chipped tile from foot traffic. Boral tile is dense and durable, but it is not ladder-proof. We frequently get called to West Covina homes where a previous contractor, solar installer, or home inspector walked a tile roof without proper tile steps and left cracked tiles behind. If you have enough of these, replacement starts making more sense than patching. On our Boral jobs, we use walk boards and felt-protected access paths to avoid creating new damage while we assess what’s there.
Styles & brands we work with






Our Boral Roof Replacement Process
- 1
Inspection and honest assessment. We get on the roof, document condition with photos, and tell you what’s actually failing. If the tile is serviceable and the underlayment is shot, we’ll say so. If the decking is compromised, we’ll show you the photos.
- 2
Written price before any work begins. We calculate the real number and put it in writing. That number includes tear-off, disposal, decking inspection and replacement where needed, underlayment, flashing, and the new roofing system. If the number changes after we open the roof, you hear from us before we do anything else.
- 3
Material decisions. For most Boral replacements, we’re either re-installing existing tile over new underlayment, or transitioning to a modern architectural shingle system from GAF, Owens Corning, or CertainTeed. We walk you through why, with actual material samples in hand.
- 4
Tear-off and decking inspection. Old tile or shingle comes off, and we examine the wood underneath. Years of hidden flashing leaks often mean replacing sections of roof decking in West Covina’s housing stock. That labor and material is allowed for in the written price, but we confirm actual conditions before we proceed.
- 5
Installation. New underlayment, new flashings at every transition point, and either the conserved tile or a new shingle system. Every line is straight, every nail is where it belongs.
- 6
Photo documentation and digital invoice. You get before-and-after photos of the whole job. Your invoice arrives by text. Nothing about this job is left to memory.
See the difference
Before
After
Before
After
Before
AfterWhat Boral Roof Replacement Costs in West Covina
Here’s the honest math for West Covina homeowners.
| Scenario | Typical Cost Range |
|---|---|
| Underlayment replacement, tile conserved (Boral tile still good) | $11,000 – $16,000 |
| Full tear-off, new architectural shingles (GAF, CertainTeed, or Owens Corning) | $12,000 – $19,000 for a typical 2,200 sq ft West Covina home |
| Decking replacement (when old leaks rotted the wood) | $1,800 – $3,400 additional, depending on how many sheets are affected |
| Full tear-off with new concrete tile (full Boral-style replacement) | $24,000 – $38,000 depending on profile and square footage |
What moves these numbers? Roof pitch matters a lot. A steep West Covina hillside home near Galster Wilderness Park with two stories is more labor-intensive than a single-story rancher. Existing damage matters: if a roof has been leaking quietly for years before we get to it, decking replacement compounds fast. And disposal costs are higher with heavy tile, because West Covina’s landfill fees apply by weight. None of this comes as a surprise after the fact: the price you get is the price you’ll pay, and every dollar is visible before the first fastener comes out. Call (831) 777-6412 and we’ll give you a real number.
Why West Covina Homeowners Call Crestview Roofing Co West Covina for Boral Work
Because we put the whole job in writing before we start. You get a written price, not a ballpark. You get before-and-after photos. You get a live, trackable arrival time so you’re not sitting through a four-hour window wondering where we are. And if we repair a Boral roof and something fails within 365 days, we come back and fix it at no charge – that’s the 365-Day Done Right Promise, every repair, in writing, included on every job. Our techs know Boral tile, but we also work daily with GAF, Owens Corning, and CertainTeed systems, so the material decision on your replacement is never forced. A live person answers our phones 24/7; no voicemail loops, no “leave a message” on a Friday afternoon.
Dylan Pace grew up in Los Angeles, went through East Los Angeles College’s construction technology program, and has spent well over a decade running roofing crews across the San Gabriel Valley. He’s worked streets near Galster Wilderness Park more times than he can count, from full tear-offs to flashing repairs on roofs that leaked quietly for years. Every quote he writes is a promise – if the number changes, you hear from us first.
FAQs
If the tile itself is still intact and the leaks are coming from flashing, underlayment, or fastener failure, you may only need a repair, not a full replacement. In West Covina, we often find Boral Mission or Villa tile in great condition with an underlayment that’s completely shot. We’ll tell you which situation you’re in, show you photos of what we found, and give you a written price for whatever is actually necessary. Call (831) 777-6412 and we’ll schedule an inspection.
In many cases, yes. If the tile hasn’t been structurally damaged by foot traffic or freeze damage (which is rare in West Covina’s climate), we can tear off the failed underlayment, replace the flashings, and re-install the same tile. This typically saves $10,000 or more compared to buying a full new concrete tile system. The tile gets inspected piece by piece during removal; we don’t re-install anything that’s cracked or compromised.
We are an independent Boral service provider, not a Boral-authorized installer, so we can’t administer factory warranty claims. However, every Boral repair or replacement we do is covered by our 365-Day Done Right Promise in writing: if any covered repair fails within a full year, we return and correct it at no charge. If the failure is ours, you don’t fight us over it; you just call (831) 777-6412.
Three to five working days for a typical single-family home once tear-off begins. The biggest variable is decking: if we discover rotted wood that needs to be replaced, that adds time. But it doesn’t add surprise cost – the written price accounts for the decking replacement that’s likely given the age of most Boral roofs in West Covina.
We work with Boral tile, and we also install and repair GAF, CertainTeed, Owens Corning, IKO, Atlas, and Tamko shingle systems. If you’re replacing a failed Boral roof and want to switch to a modern architectural shingle, we’re fully equipped to do that, with the same written-price guarantee and the same photo documentation. The decision is yours; our job is to give you the real numbers either way.
Written by Dylan Pace, Owner & Lead Roofer, Crestview Roofing Co West Covina at Crestview Roofing Co West Covina, serving West Covina and nearby areas.