Boral Flashing Replacement Nationwide

Boral Flashing Replacement: The Riverside Owner’s Guide

Flashing replacement on a Boral tile roof in Riverside typically runs $350 – $900 installed, depending on how many penetrations we’re addressing and whether the underlying decking or underlayment has taken water. We stock Boral-compatible flashing profiles on our trucks and can usually complete the replacement same-day once we’re on site. Most Riverside homeowners discover the problem the way you just did: a water stain on the ceiling, a drip near the chimney during the first real rain of fall, or granules and tile debris in the gutter after a Santa Ana wind event. The flashing is where the roof meets something else, which means it’s also where water finds its way in first.

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What most owners don’t realize is that a failed flashing section on a Boral roof rarely means the tile itself is compromised. Boral’s concrete and clay tile can last half a century in Riverside’s climate. The flashing, though, is metal, and metal has a much shorter life here than the tile above it. The good news is that replacing the flashing is a fraction of the cost of a full re-roof, and we can match the replacement to the existing Boral profile without disturbing the tiles around it more than absolutely necessary.

Which Boral Models This Applies To

Boral flashing replacement applies to every residential tile profile Boral has sold in Southern California over the past 40 years. The most common in Riverside are Boral Barcelona, Boral Villa, Boral Mission S, Boral Capistrano, and Boral Slate, along with the heavier flat profiles used on many Spanish and Mediterranean-style homes in the Hawarden Hills and Alessandro Heights neighborhoods. The flashing itself isn’t model-specific in most cases; what changes is the step height and the angle at which the flashing tucks under the tile.

The compatibility gotcha with Boral roofing comes down to tile thickness. Boral’s barrel profiles like Barcelona and Villa have a deeper curve than the flatter profiles, which means the step flashing needs to rise high enough up the wall or penetration to stay behind the tile’s water channel. If someone installs generic low-profile step flashing on a Barcelona roof, water will blow up and over it during a strong Riverside wind event. That’s a call we get two or three times a year, someone else’s repair that didn’t survive the first winter.

For most Boral roofs, OEM flashing or a quality aftermarket profile fabricated to Boral’s original specs both work. The metal gauge matters more than the name on the box. We typically install 26-gauge galvanized or Galvalume steel flashing, which outperforms the 28 and 30-gauge stock you’ll find at big-box stores, and it holds up far better against the temperature swings we get from Riverside summer afternoons into cool desert nights. For coastal-adjacent properties or areas with heavy sprinkler overspray from the irrigation systems everyone runs through October, we’ll recommend stepping up to pre-painted aluminum or stainless at the critical transitions.

Tilehurst Roofing Riverside is an independent service provider and not affiliated with Boral. We stock Boral-compatible flashing because it’s what our Riverside customers have on their roofs, not because we’re tied to any single manufacturer.

Signs Your Boral Flashing Replacement Is Failing

• Ceiling stains forming a line or corner, not a circle. Water that passes failed flashing travels along a rafter or wall plate, so the stain on your ceiling usually has a directional shape. A circular stain often means a tile is cracked; a long stain points to the flashing letting water run behind the tile and along the framing.
• Dripping sounds inside a wall during or right after rain. Flashing failure at a chimney or skylight lets water travel down the inside of the wall cavity. You hear it before you see it, and by the time the wall is soft to the touch, you’re into drywall repair territory along with the roof work.
• Rust streaks on the tile itself below the penetration. Galvanized flashing that has worn through its coating starts rusting. Rain picks up the rust and carries it down the tile face, leaving unmistakable brown or orange streaks. What you’re seeing is the flashing telling you it’s done.
• Mortar or sealant around the chimney, vent pipes, or skylights is cracked, chalking, or peeling away. On Boral roofs, the metal flashing often gets buried under a mortar fillet at the base. When the mortar cracks in Riverside’s dry heat, the flashing’s top edge is exposed, and water gets behind it. We see this constantly on Mission S and Villa installations.
• Granite sand or small black granules collecting in the gutter below the flashing line. This isn’t the tile; Boral tile doesn’t shed granules. If you’re seeing granules, the underlayment beneath the flashing is breaking down and washing out through the eave. That signals water has been getting past the flashing for long enough to damage the layers underneath.

Replacement Cost & What’s Included

For most Riverside Boral roofs, flashing replacement runs $350 to $900 per penetration or section. A simple re-flash of a plumbing vent stack lands at the lower end. A chimney with two or three step sections up the side, especially two-story chimneys or those with stucco built over the old flashing, lands at the upper end. A full valley re-flash between two roof planes runs $900 to $2,400 depending on valley length and whether the tile has to be reset.

Every quote includes the same things, and they’re all on the written estimate before you approve anything: removal of the old flashing, inspection of the underlayment and decking underneath, new flashing fabricated to match your Boral profile, reinstallation of the surrounding tile, and cleanup with a magnet sweep for any stray metal. If we open the area and find decking rot or underlayment that has failed, you’ll get a photo of what we found and a line-item price to address it before anything else is done. The price doesn’t change at the door because the price was never a guess to begin with.

Greg Holloway’s crew has been doing this long enough to know what a Riverside summer and a wet December do to flashing, so we write our guarantee the same way every time: one year, in writing, on every repair. If the same section fails inside that year under the 365-Day Done Right Promise, we come back, diagnose it, and correct the work at no charge. You get that in writing before the crew leaves your driveway, not mailed to you two weeks later.

DIY or Call Us?

There are things an owner can safely check on a Boral roof, and there are things that go wrong fast if you haven’t done them a few hundred times. Walking on Boral tile wrong breaks tiles; each broken tile is a $15 to $40 problem you didn’t have. Pulling old flashing out of a mortar bed without disturbing the tile course around it is genuinely finicky work, and getting water to stop entering the building depends on getting the lap direction, the height behind the tile, and the fastener pattern right.

If you’re still at the stage of diagnosing the problem, stay in the attic and look for water stains, daylight, or damp insulation. That’s safe and useful. Once it’s time to pull material off the roof and replace flashing, call us. We show up in the window we give you, with the price already written down. We tell you the price before we touch your roof. That’s just how it should work. Call (562) 315-0297 and tell whoever answers what you’re seeing; a live person picks up, day or night.

FAQs

Call for a Free Estimate

If you’re seeing any of the signs above, or you’ve already got water inside the house, call (562) 315-0297. We’ll walk through what you’re seeing, give you a straight answer about whether it’s flashing or something else, and schedule an estimate. You’ll have a written price in your hands before any work starts, and the guarantee on the repair in writing before the crew leaves. Tilehurst Roofing Riverside is part of the Kingswell family of roofing companies, which means we answer when you call and we stand behind what we write down.

Written by Greg Holloway, Owner, Tilehurst Roofing Riverside at Tilehurst Roofing Riverside, serving Riverside and nearby areas.