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Therma-Tru Roofing: The Woodland Hills Owner’s Guide
Therma-Tru roofing parts in Woodland Hills typically run $400 to $1,800 installed, depending on whether we’re replacing a single component or addressing damage that’s spread across a larger section. Most owners discover a problem after winter wind works a flashing loose or summer heat bakes a seal until it cracks, and water finds the gap. We stock common Therma-Tru-compatible components on our trucks and can usually diagnose and quote the same visit.
If you’re standing in your driveway looking up at a lifted corner or a damp spot spreading across your ceiling, here’s what you need to know. The fix is rarely as bad as it looks from the ground, but it won’t get better by waiting. Call us at (831) 290-6866 and we’ll send a technician with a name and a face you’ll know before we arrive.
Which Therma-Tru Models This Applies To

Therma-Tru is best known for doors, which means the roofing components carrying that name in Southern California are typically integrated door canopies, awning assemblies, and the flashing systems that seal them to the roofline. If you’ve got a Therma-Tru entry system with an overhead projection, the compatibility question matters more than most homeowners expect.
Here’s the gotcha: Therma-Tru canopy flashing is sized to the door’s rough opening, not the roof pitch. A 36-inch door canopy on a 4:12 roof in Woodland Hills needs a different flashing profile than the same canopy on a 6:12 roof up in the hills above Ventura Boulevard. We measure the pitch, the projection depth, and the existing flashing channel before ordering. OEM Therma-Tru flashing is worth the cost when the canopy itself is still structurally sound, because aftermarket profiles often leave a 1/8-inch gap at the channel that sealant has to bridge. If the canopy’s aluminum frame has corroded through, a quality aftermarket assembly is the smarter spend, and we’ll tell you that straight. Mason Remodeling Co Woodland Hills is an independent service provider, not affiliated with Therma-Tru, so our recommendation is based on what’s actually failing on your roofline, not what a manufacturer wants to sell.
Styles & brands we work with







Signs Your Therma-Tru Roofing Is Failing
- Water staining on the ceiling inside the entry door. The flashing channel where the canopy meets the roofline has separated, and water is traveling along the sheathing before it drops. By the time you see the stain, the leak has been active for weeks.
- Visible gaps or lifted edges at the flashing. Woodland Hills gets enough heat in August and September that old sealant dries, cracks, and pulls away from the metal. A 1/4-inch gap lets wind-driven rain push water uphill under the flashing.
- Sagging or drooping canopy on one side. The support brackets have loosened from the fascia, or the wood behind them has rotted. If it sags more than a half-inch, the load is now pulling on the flashing above it.
- Rust streaks or pitting on the flashing surface. Coastal moisture makes its way through the Santa Monica Mountains, and cheaper galvanized flashing fails faster here than inland. Therma-Tru’s coated flashing lasts longer, but nothing is forever.
- Dripping sound during rain but no visible ceiling stain yet. Water is pooling in the canopy frame or running behind the fascia. Ignore it and you’ll be looking at sheathing replacement by spring.
See the difference
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AfterReplacement Cost & What’s Included

For a Therma-Tru canopy flashing replacement in Woodland Hills, you’re looking at $400 to $1,800 installed. The low end covers straightforward flashing removal and replacement when the canopy and surrounding roof are in good shape. The high end includes new canopy assemblies, rotted fascia or sheathing repair, and re-flashing work that ties into a Roof Repair scope of $400 to $1,800 as well, depending on how far the damage travels.
Every quote is written, line-itemed, and delivered before any work starts. What we quote is what you pay. No change orders because we “discovered” something we should have caught during the estimate. The 365-Day Done Right Promise applies: if our work isn’t right within a year of completion, we fix it at no cost to you. Isaac Pruett has been pricing jobs this way across the Valley for years, and it’s why homeowners around Warner Center and the surrounding neighborhoods keep our number.
DIY or Call Us?
The safe DIY move is diagnosis, not repair. Walk the perimeter, photograph the flashing from three angles, and check for soft spots on the fascia with a screwdriver handle. That’s it. Working on a roofline means working at height, and a canopy assembly under tension can shift when you loosen a bracket. We’ve had more than one homeowner start what looked like a simple sealant job and end up with a loose flashing panel dangling over their front step.
Call (831) 290-6866 and we’ll come take a look. You’ll know exactly who’s coming before they ring the bell, and you’ll get a written price before a single tool comes off the truck.
FAQs

Therma-Tru canopy flashing in Woodland Hills typically lasts 10 to 15 years before the sealant and coating break down, though the canopy frame itself can go 20-plus years if the flashing held. Our hot, dry summers are harder on sealant than the occasional rain, so homes with full western exposure near Topanga Canyon tend to need replacement sooner. Call (831) 290-6866 and we’ll assess your specific exposure.
A reseal will buy you one season, maybe two, if the metal underneath is still sound and the gap is under 1/8-inch. Once there’s visible rust, pitting, or the flashing has pulled more than a quarter-inch from the roofline, replacement is the honest fix, and it’s usually within $75 to $150 of what a proper repair would cost anyway. Call (831) 290-6866 for an exact quote, and estimates are free.
A straightforward flashing replacement takes our crew about two to three hours on site, including cleanup and a final water test with a hose along the seam. If we’re replacing the canopy assembly and repairing fascia, plan for the better part of a day. The written quote includes the timeline before we start.
We keep common Therma-Tru-compatible flashing profiles and bracket sets on the truck, and anything outside that we source within one to two business days. If you need it faster, tell us on the call and we’ll tell you straight whether that’s realistic before we schedule. Call (831) 290-6866 and we’ll check stock while you’re on the line.
Written by Isaac Pruett, Owner, Mason Remodeling Co – Woodland Hills, CA at Mason Remodeling Co Woodland Hills, serving Woodland Hills and nearby areas.


