Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
DuraFlex Chimney Repair in Santa Clarita: What to Know First
DuraFlex chimney repair in Santa Clarita typically involves addressing cracked flue liners, failed mortar joints at the liner connection, or flashing that has separated from the chimney crown. Most repairs run between $400 and $1,800 depending on the extent of the damage and whether we’re rebuilding sections or the lining needs replacement. Every job gets a written price before we touch anything, and every repair carries our 365-Day Done Right Promise in writing.
This page is for Santa Clarita homeowners whose chimney already has a DuraFlex liner installed, or who have been told they need one. We’re an independent DuraFlex service provider, not a factory authorized dealer, which means we tell you exactly what’s wrong without a sales agenda. Call (661) 430-6125 and a live person answers. No callbacks, no voicemail trees.
- Typically $400 – $1,800 for most DuraFlex repairs in Santa Clarita
- Written price before work starts, every job
- 365-Day Done Right Promise on all repairs
- Live person answers the phone 24 hours a day
How DuraFlex Products Fail – and How We Fix Them
- DuraFlex 316L liner cracking at the chimney offset. In Santa Clarita, the temperature swings between cold canyon nights and hot valley days cause the liner to expand and contract unevenly at the offset, which is the bend where the liner angles to connect with the appliance. Over time, the stainless develops stress cracks at that flex point. We inspect the offset with a camera, and if the cracking is localized, we can often replace just that section rather than the entire liner run.
- Mortar crown separation above a DuraFlex liner. The liner itself may be sound, but the concrete crown that closes off the top of the chimney can crack and let water run down between the liner and the original flue. That water migrates into the brickwork and shows up as spalling below. We repoint the brick, rebuild the crown with a proper overhang and drip edge, and seal the liner top plate to stop the intrusion.
- DuraFlex liner tears at the bottom connection to the appliance. Where the liner connects to a fireplace insert, wood stove, or furnace flue, the stainless can tear from years of heat cycles and slight movement. This is more common in Santa Clarita homes where the fireplace gets hard use through November to February. We remove the damaged section, inspect the host pipe or vent, and install a manufacturer-equivalent replacement section or an aftermarket piece that matches the alloy and wall thickness of the original.
- Flashing failure at the chimney base on tile roofs. Santa Clarita has a lot of concrete tile roofs, and flashing that wasn’t cut into the tile properly will eventually leak. When that happens, water tracks down the exterior of a DuraFlex liner and puddles at the bottom, which corrodes the liner from the outside. We cut proper step flashing into the tile, seal the counter-flashing, and inspect the liner for any corrosion at the base before we call it done.
- Top plate and rain cap corrosion on older DuraFlex installations. The liner might have years of life left, but a rusted top plate lets rain directly into the chimney and accelerates creosote buildup. We replace top plates and caps with DuraFlex or aftermarket equivalents, and we check the spark arrestor screen so it still vents correctly and doesn’t clog with creosote or nesting material. A clogged screen is also a carbon monoxide risk with gas appliances.
Styles & brands we work with





Our DuraFlex Chimney Repair Process
- 1
Call and dispatch. You call (661) 430-6125. A live person answers, schedules the visit, and tells you exactly what to expect including the inspection fee if one applies. No forms, no callbacks.
- 2
Camera inspection. A background-checked, uniformed technician arrives, sets up the camera rig, and runs the flue from top to bottom. You see the images in real time. If the liner is cracked, torn, or corroded, you’ll see it with your own eyes.
- 3
Written scope and price. We write down what we found, what it takes to fix it, and the exact dollar amount. That number doesn’t change after the work starts. You approve it on paper before a single tool comes off the truck.
- 4
Parts decision. If the liner needs a section replaced, we specify DuraFlex or an aftermarket equivalent that matches the alloy and diameter. If the surrounding masonry needs repair, we handle that in the same visit where possible. If it’s a HeatShield or Gelco application instead, we will tell you what that means in plain terms and why we think one or the other fits the job.
- 5
The repair. We do the work, clean the work area as we go, and run a final camera pass to document what was done.
- 6
The guarantee. Before we leave, you get the written 365-Day Done Right Promise. If a covered repair fails within one year, we return at no charge. No argument, no prorating.
See the difference
Before
After
Before
After
Before
AfterWhat DuraFlex Chimney Repair Costs in Santa Clarita
Here are the ballpark figures we actually see on DuraFlex work in Santa Clarita, from Stevenson Ranch to Valencia and up into Canyon Country:
- Crown repair and sealing above a DuraFlex liner: $450 – $800
- Flashing repair or replacement at the roofline: $600 – $1,200 depending on roof type and tile work
- Sectional liner replacement (partial run): $700 – $1,500
- Full relining with DuraFlex, including top plate and cap: $1,800 – $3,200 depending on height, offset, and access
- Spalling brick and mortar repointing around the chimney chase: $1,000 – $2,400 depending on the area
What moves the price is access (steep roofs and tall chases cost more to work safely), the condition of the existing liner, and whether we’re repairing or replacing it. If we tell you a liner can wait, we mean it. We show you the photos, and we don’t quote work you don’t need. Call (661) 430-6125 for a free estimate on DuraFlex chimney repair in Santa Clarita.
Why Santa Clarita Homeowners Call Flint Chimney Co Santa Clarita for DuraFlex Work
We work on DuraFlex liners enough that we know the failure points by sight: the offset cracks, the base corrosion, the top plate seating. We also work with HeatShield and Gelco when that is the better call for the chimney, so if a liner has reached the point where a repair won’t hold, we can walk you through the options without guessing.
Everything we do operates under The Garrison Code, which is the operating standard Hank Delano built this company around and every Garrison Partners location follows. The short version is this: written price before work starts, clean job site, and a guarantee in your hand before we leave. That’s the whole framework. If a repair fails inside a year, we come back at no charge. That’s the 365-Day Done Right Promise, and it’s in writing on every single DuraFlex repair we do in Santa Clarita.
Hank has been cleaning and inspecting chimneys for going on two decades, and he is the one walking your roof. When a technician shows up, they’re background-checked, uniformed, and they carry the same plain-talk approach: clean flue, honest price – that’s the whole job.
FAQs
We are an independent service provider, not a factory authorized dealer, so we don’t process DuraFlex warranty claims. What we do is stand behind our own work with a written 365-Day Done Right Promise. If a covered repair fails within one year, we return and fix it at no charge. If you have an existing DuraFlex warranty, we can give you the documentation and photos you need to pursue it directly with the manufacturer. Call (661) 430-6125 and we’ll tell you what’s realistic before you spend a dime.
Yes. DuraFlex liner sections, top plates, rain caps, and connectors are readily available through chimney supply distributors we use regularly, and most parts reach us within a few days. Common sizes are often in hand the same week. If we need something less typical, we’ll say so and put it in writing before ordering. Call (661) 430-6125 and we’ll tell you the lead time for your specific parts.
That depends on the damage. Localized cracking at the offset or a torn bottom connector can often be section-repaired for $700 to $1,500. If the liner is corroded through in multiple spots, thinned by water damage, or the original installation was undersized, we will tell you straight that replacement is the smarter money. We show you the camera footage so you can see it yourself, and we don’t quote a full reline unless we think the old liner is honestly done. Call (661) 430-6125 for a free inspection and an honest read.
Most DuraFlex repairs in Santa Clarita take one day. Sectional liner replacement, crown sealing, and flashing work are all typically single-day jobs. A full reline or significant masonry rebuild may run two days depending on access and weather. We’ll give you a written time window before we start, and we show up inside it.
Common signs include water staining on the ceiling near the chimney, a rust-colored drip inside the firebox, mortar crumbs accumulating at the base of the chimney, or a heat smell in rooms adjacent to the chimney when the appliance is running. But the only way to know for certain is a camera inspection. We run the camera, show you the footage, and tell you what we saw. Call (661) 430-6125 to schedule one.
Written by Hank Delano, Owner, Flint Chimney Co Santa Clarita at Flint Chimney Co Santa Clarita, serving Santa Clarita and nearby areas.