Chimney Repair in Lewisville - Camera Evidence Before Any Quote

Trusted Chimney Repair for Lewisville Homeowners

Chimney repair in Lewisville, TX addresses the parts of a chimney that let water in, let smoke out where it shouldn’t, or put heat too close to the wood framing around the flue. Most of the repair calls we handle here come down to three things: a crown that has cracked under the Texas sun, flashing that pulled loose from the roofline, or a clay tile liner that has spalled and no longer protects the surrounding masonry. Our technicians have up to 14 years of experience reading those failures and telling you plainly which ones can wait and which ones shouldn’t. We work with the same materials chimney engineers specify, from DuraFlex flexible liner systems to HeatShield resurfacing compounds. Call (888) 424-2086 and we’ll book a sweep-and-inspect visit so we can show you what’s actually going on before anyone quotes a repair.

Call (888) 424-2086

Chimney Cap Installation

Chimney cap installation is the fitting of a rigid or mesh-topped cap over the flue opening to keep rain, birds, squirrels and wind-blown debris out of the chimney while still letting smoke and carbon monoxide escape. You need one when the flue is open to the sky with nothing but a thin spark screen, or when you’ve found nesting material, water staining, or a draft that reverses on gusty days. A properly sized cap is the single cheapest piece of protection on a Lewisville chimney, and we cut and fit ours to the actual flue dimensions rather than dropping on a universal size that rattles loose in a storm. Most single-flue cap installations in Lewisville run roughly $150 to $400 depending on the flue size and the cap style. Call (888) 424-2086 for an exact figure.

Stainless Caps and Mesh Screens

Stainless caps hold up far better than painted steel in North Texas heat and hail, and the mesh gauge matters more than most homeowners realize. A fine mesh stops embers and animals but clogs faster with creosote; a wider mesh breathes better but lets small birds through. We match the mesh to what your fireplace actually burns.

Multi-Flue and Oversized Openings

Chimneys with two or three flues need a single cap built to span the whole crown, not three separate caps fighting each other for space. We measure the crown footprint and set the cap so it sheds water away from the masonry instead of pooling at the base.

Chimney Cap Replacement

Chimney cap replacement means removing a cap that has rusted through, warped, lost its mesh, or blown off entirely, and fitting a new one that seals the flue correctly. It’s time when you can see daylight through rust holes in the top plate, when the mesh is torn and animals have gotten in, or when a windstorm has left the old cap sitting crooked on the crown. A loose cap does more damage than no cap at all, because it channels rainwater onto one side of the masonry and traps it there. We pull the old unit, check the crown and flue tile underneath, and set a replacement sized to the opening. Chimney cap replacement in Lewisville typically runs $175 to $450. Call (888) 424-2086 to book it.

When a Cap Can Be Repaired Instead

Sometimes the cap itself is sound and only the fasteners or the mesh panel have failed. If the top plate and frame are intact, we can often re-secure or re-screen it rather than replace the whole unit, and we’ll say so if that’s the honest answer.

What We Check Under the Old Cap

Pulling a cap is the best chance to look straight down the flue and at the top course of masonry. We check for a cracked crown, a loose flue tile, and water tracking down the inside of the chimney before the new cap goes on.

Chimney Liner Installation

Chimney liner installation is the fitting of a new flue liner, usually a flexible stainless system, inside an existing chimney to contain heat, combustion gases and creosote. You need it when the original clay tiles are cracked, spalled, or missing joints, when the flue is oversized for the appliance, or when a new insert or furnace is venting into a chimney never built for it. We install DuraFlex liner systems and other professional-grade flexible liners sized to the appliance, insulated where the application calls for it, and connected with the correct top plate and cap. Chimney liner installation in Lewisville generally runs $2,200 to $5,500 depending on flue height, liner diameter and whether insulation is required. Call (888) 424-2086 and we’ll put the number in writing before any work starts.

Flexible Stainless vs. Clay Tile

Clay tile is durable but brittle, and once a joint shifts there’s no reliable way to seal it from the inside without relining. A flexible stainless liner handles the expansion and settling that cracked the tile in the first place, and it’s smooth-walled so creosote brushes off more cleanly.

Relining for a New Appliance

Swapping a wood fireplace for a gas insert or a new stove often changes the venting requirements entirely. We size the liner to the appliance’s flue collar and category, so the new unit drafts the way its manufacturer intends rather than smoking into the room.

Chimney Flashing Repair

Chimney flashing repair means resealing or rebuilding the metal that bridges the gap where the chimney passes through the roof, so rainwater runs onto the shingles instead of into the attic. You need it when you see water stains on the ceiling near the chimney, rusted or lifted flashing, or a gap where the counter-flashing was mortared into the masonry and the mortar has crumbled. Flashing failures are the most common source of “chimney leaks” we get called out to in Lewisville, and they’re often misdiagnosed as crown problems. We reset step flashing, replace rusted sections, and cut a fresh reglet into the masonry for the counter-flashing so it moves with the roof instead of tearing away. Chimney flashing repair typically runs $300 to $800 depending on roof pitch and how much of the assembly needs rebuilding. Call (888) 424-2086.

Telling Flashing Leaks From Crown Leaks

Water near the chimney can enter at the top or at the roof line, and the stain inside rarely tells you which. We trace it from the exterior down, checking the crown, the flashing and the masonry joints in order, so the repair targets the real source.

Why Mortar-Set Flashing Fails

Grinding counter-flashing into a mortar groove looks tidy on install day, but the mortar and the metal expand at different rates. Over a few summers the bond opens a hairline that pulls water straight into the wall.

Chimney Crown Repair

Chimney crown repair means fixing the concrete or mortar slab that caps the top of the chimney and sheds water away from the flue and the masonry below. You need it when the crown has a visible crack, is pulling away from the flue tile, or has crumbled enough that water ponds on top of the chimney instead of running off. A failed crown sends rainwater straight down the outside of the flue and into the brick, which is how a solid-looking chimney ends up with spalled faces a few seasons later. We recast crowns with a proper overhang and slope, seal the joint between the crown and the flue tile, and match the finish to the existing masonry where we can. Chimney crown repair in Lewisville usually runs $450 to $1,200 depending on the crown size and whether the whole slab is rebuilt. Call (888) 424-2086.

Cracked Crown or Something Bigger

A hairline crack in a crown is a maintenance item; a crown that’s pulling away from the flue is a leak waiting to happen. We look at the slope, the overhang and the seal at the flue, and tell you which category yours falls into.

Rebuilding vs. Resurfacing the Crown

When the crown slab is structurally sound but the surface has weathered, a resurfacing compound can buy years without a full rebuild. When the slab itself is broken loose, resurfacing just hides the problem.

Chimney Repair Companies

Chimney repair companies vary widely in what they actually do in-house, and that difference decides whether you get one visit or five. You need a company that sweeps, inspects and repairs as a single service, because a sweep without an inspection misses the hidden deterioration an inspection is meant to catch, and a repair quote without a sweep is guesswork. We handle the full cycle ourselves, which means you’re not coordinating between a sweep-only outfit and a mason and a roofer who each blame the other for the leak. Chimney repair companies worth hiring will show you camera footage, quote line items, and tell you when something can wait. Typical repair work we quote in Lewisville ranges from about $200 for small fixes up to $5,500 for a full reline, and the written estimate sets the final price. Call (888) 424-2086.

Questions to Ask Before You Hire

Ask whether the same company that inspects will do the repair, and whether they’ll show you the inside of the flue with a camera. Ask what specific materials they intend to use and why. A company that can’t answer those three plainly is worth a second call elsewhere.

Why We Keep It In-House

Subcontracting a repair to a different crew is how a small leak turns into a scheduling problem. Because we sweep, inspect and repair as one operation, the person who finds the problem is the person responsible for fixing it.

Chimney Masonry Repair

Chimney masonry repair is the rebuilding or repointing of the brick, block and mortar that make up the chimney structure itself, and it’s needed when mortar joints have spalled, brick faces have flaked, or the whole stack has begun to lean. Spalling happens when moisture gets into the brick and pushes the face off from the inside, and it compounds fast once a crown or flashing leak starts feeding it. We repoint joints with mortar matched to the existing brick, replace spalled units, and address the moisture source first so the new masonry isn’t set up to fail the same way. Chimney masonry repair in Lewisville typically runs $600 to $3,000 depending on how much of the stack needs rebuilding and whether scaffolding is required. Call (888) 424-2086 for a written, line-item estimate.

Repointing vs. Rebuilding

Repointing (grinding out and replacing the mortar) saves a chimney whose bricks are still sound. Rebuilding is the honest answer when the brick itself has gone soft, and we’ll show you the difference before recommending either.

Matching Mortar to Old Brick

Modern hard mortar against soft old brick can crack the brick instead of the joint. We match the mix to what’s already there, so the new work moves with the old masonry rather than fighting it.

Brands We Service

We work with the same materials chimney engineers specify, and knowing each brand’s behavior is part of the job. DuraFlex flexible liner systems are what we reach for on cracked or undersized flues, because the smooth stainless wall handles heat and brushes clean without snagging. HeatShield resurfacing compounds let us restore a ceramic flue lining from the inside when the clay is deteriorated but the chimney structure is still sound, which is one of the most technically demanding repairs in this trade and not one every sweep-only crew can offer. Knowing how HeatShield cures and what it will and won’t correct is the difference between a lasting resurface and a call-back.

Gelco and Olympia Chimney round out the material side, covering everything from caps and top plates to the connectors and appliance adapters that finish a reline correctly. Material literacy across those professional supply lines means our recommendations are based on what’s actually available and appropriate for your flue, not on whatever happens to be in the truck. Whether you have a DuraFlex liner already installed, a HeatShield-resurfaced flue, or a chimney with no name brand on any of its parts, we can help. Our starting point is always the same: a sweep, a camera inspection, and a photo report you can look at yourself.

Signs You Need a Pro Right Now

• Water staining on the ceiling or chimney breast. A dark ring near the chimney usually means a flashing or crown leak that’s already reaching the framing. Caught early it’s a flashing repair; left alone it’s rotted sheathing and a much bigger bill.
• Crumbling mortar between the bricks. When joints recede or sand runs off the stack, the masonry is losing its grip on itself. Repointing now costs far less than rebuilding a stack later.
• A strong smoky smell or draft that reverses. Smoke rolling into the room on startup, or a creosote smell on warm days, points to a draft or liner problem. It’s a sign the flue isn’t doing its job of carrying gases up and out.
• Visible cracks in the flue tile (seen on camera). A cracked flue tile lets heat and carbon monoxide reach the masonry and framing. This is a genuine safety issue, and a camera inspection is the only way to see it.
• A chimney fire you know about, even a small one. A loud roar, a shower of sparks, or scorched creosote flakes on the roof mean the flue has been through a heat event. It needs inspection before the next fire, full stop.

Our Process, Step by Step

1. 1
   Book the visit. We schedule a sweep-and-inspect appointment and confirm what it covers before we arrive. You’ll know what the visit includes and what the estimate will look like.
2. 2
   Sweep the flue. We clean the flue with brushes sized to the liner, contain the dust, and remove the creosote and soot so the inspection can actually see the surface. A dirty flue hides problems as effectively as a closed door.
3. 3
   Camera-inspect the whole system. A video camera on a flexible rod runs the full height of the flue, and we check the crown, flashing and masonry from the outside. You see the footage, not just our description of it.
4. 4
   Give you a photo report. We send the images with the findings and mark what needs attention now, what can wait a season, and what’s fine. Nothing gets recommended without camera evidence you can look at yourself.
5. 5
   Quote and repair. The written estimate lays out line items and the specific materials (a DuraFlex liner, a HeatShield resurface, new flashing), and the price is set per job by that estimate. If you approve, we schedule the repair and do the work ourselves.

How Much Does Chimney Repair Cost in Lewisville?

Our Service Area Near Lewisville

We serve Lewisville and the surrounding communities, including The Colony, Highland Village, Flower Mound, Lake Dallas, Corinth, Oak Point, Lantana, Paloma Creek and Hickory Creek. Roof access, stack height and the age of the masonry vary block to block, so we size every estimate to the specific house. We answer 24/7, and crews are dispatched Sunday through Friday, 7am to 7pm, with same-day service when the schedule allows. For chimney repair in Paloma Creek or chimney repair in Hickory Creek, the booking process is the same. You can read more about us on the Lewisville Chimney Sweep page, and we’ll confirm your window before we come out.

Frequently Asked Questions About Chimney Repair in Lewisville

Schedule Your Chimney Repair Service in Lewisville Today

A chimney that’s leaking, smoking or crumbling won’t fix itself, and the longer it waits the more masonry it takes with it. Call (888) 424-2086 for a free, no-obligation estimate. We sweep, inspect with a camera, show you the footage, and quote the repair in writing before any work begins. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.

Written by the team at Lewisville Chimney Sweep.