Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
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.
Trusted Chimney Repair for Downers Grove Homeowners
A cracked flue liner or failing crown is not a cleaning problem, and a generalist who sweeps chimneys on the side will not catch it until water is already inside your walls. That is the gap Summit Peak Chimney Sweep fills. Downers Grove homeowners call us when they want a repair diagnosed correctly the first time, using materials from the same brands professional chimney contractors stock nationwide. Norm Bledsoe, our owner, built this company around one principle: arrive with the right material for the specific failure, not whatever fits in the van. We carry DuraFlex liner components, HeatShield resurfacing material, Gelco crown sealant, and Copperfield caps. If your chimney is leaking, spalling, or drafting poorly, call (855) 382-3714 for a straight answer, a free estimate, and honest guidance on how much chimney repair costs.
Chimney Cap Installation
Chimney Cap Installation is the single most cost-effective repair for keeping rain, snow, and animals out of your flue, and in Downers Grove it typically runs $220 – $480 depending on cap size, material, and flue configuration. A properly sized cap with a screened spark arrestor does three jobs at once: it keeps precipitation from eating away at your mortar joints, prevents raccoons and squirrels from nesting in the flue, and stops burning embers from landing on your roof. Summit Peak Chimney Sweep stocks copper and stainless caps from Copperfield, so we measure, specify, and install in one visit rather than ordering and returning a week later.
When a Cap Becomes Urgent
If you hear animal sounds from the fireplace or see rust stains on the damper, the flue is open to weather and wildlife. A missing cap also accelerates crown and liner deterioration because every rainstorm pours directly into the chimney. Installing a cap now is far cheaper than a reline two years from now.
What Installation Includes
We inspect the flue tile top, verify the correct diameter for draft, and mechanically fasten the cap to the flue or crown with a leg kit. Sealant alone does not hold on a windy Illinois winter night. Every cap installation includes a photo of the finished work.
Styles & brands we work with





Chimney Cap Replacement
Chimney Cap Replacement is what you need when the old cap is rusted through, blown off in a storm, or sized wrong for a new liner, and in Downers Grove it typically costs $180 – $420 including removal and disposal of the old unit. A damaged cap is worse than no cap in one way: it gives homeowners a false sense that the flue is protected while rain pours through a rusted seam. Summit Peak Chimney Sweep sees this often after heavy spring storms, when galvanized caps from the big-box stores have corroded through in under five years.
Signs Yours Is Done
Rust bleeding down the crown, a cap that rattles in the wind, or a screen that has begun to sag all mean the cap has failed. Once the screen opens up, birds enter the flue and build nests that block draft and create a carbon monoxide backflow risk. Replacement is quick and does not require touching the masonry.
Material Matters Here
We replace with stainless or copper, never another galvanized unit that will fail on the same schedule. Copperfield caps are our default because the mesh is welded, not crimped, and the fastening system survives wind loads that have stripped cheaper leg kits off entirely. Correct fit matters more than brand: we measure the flue tile, not the old cap.
Chimney Liner Installation
Chimney Liner Installation replaces or adds the continuous passage that carries smoke and combustion gases safely out of your home, and in Downers Grove a typical stainless flex reline runs $2,800 – $5,500 depending on height, offset, and whether the old clay tile must be broken out first. A cracked or missing clay tile liner is not a cosmetic issue. It lets heat, creosote, and carbon monoxide reach combustible framing. Summit Peak Chimney Sweep is one of the few companies in the area that keeps DuraFlex flexible liner systems in inventory, which means we can typically complete a standard reline without the two-week wait for a custom rigid system.
When a Liner Has Failed
Video inspection is the only way to see cracks, gaps between tile sections, or spalled clay, and we do not recommend a reline without showing you the camera footage first. We have told homeowners that their liner was safe to run another season, because the camera does not lie and neither do we. That is the difference between a diagnosis and a sales pitch.
Flex vs. Rigid Systems
Older Downers Grove homes with offset flues often cannot accommodate a rigid stainless liner without a major rebuild. A DuraFlex flexible liner follows the original path, preserves the masonry, and carries a manufacturer warranty. We insulate the liner in exterior chimneys to keep flue gases hot and draft strong through Illinois winters.
Chimney Flashing Repair
Chimney Flashing Repair fixes the metal-to-masonry seam where your chimney meets the roof, and in Downers Grove it typically costs $450 – $950 depending on accessibility, roof pitch, and whether the old flashing can be salvaged or must be cut and replaced anew. This seam is the most common source of a chimney leak, far more often than the brick itself. Flashing fails because the sealant degrades under UV exposure, the metal expands and contracts at a different rate than masonry, or a prior contractor used roofing cement instead of a proper step-and-counter flashing system.
Why Roofing Cement Fails
Slathering sealant over flashing is a temporary fix that fails within a few seasons, and Summit Peak Chimney Sweep does not do it. Proper flashing weaves into the shingle courses with a step flashing and a counter flashing cut into the mortar joint. We use Gelco sealant only at the seam, never as structural support.
Storm Damage vs. Age
After a heavy wind event, lifted flashing can go unnoticed until the next rain. We check for lifted edges, torn counter flashing, and separated step flashing during every sweep, so a small repair stays small. Replacing flashing before water rots the roof decking is a $500 fix versus a $3,000 roof repair.
Chimney Crown Repair
Chimney Crown Repair restores the concrete or mortar cap that sits on top of the chimney and sheds water away from the flue, and in Downers Grove a standard crown repair runs $550 – $1,200 depending on whether we are sealing hairline cracks or rebuilding the entire crown from scratch. The crown is the chimney’s roof, and when it fails, water soaks through the masonry below and destroys the brick face, mortar joints, and eventually the liner. Most crowns built in the last fifty years are too thin and made from plain mortar, which cracks under freeze-thaw cycling.
The Freeze-Thaw Problem
Downers Grove sees enough freeze-thaw cycles each winter to crack an undersized mortar crown within a decade. We rebuild crowns with a concrete mix that includes an overhang and a drip edge, two details most original builders skipped. A Gelco crown sealant then fills remaining micro-cracks and prevents water absorption.
When a Rebuild Beats a Seal
Hairline shrinkage cracks can be sealed and monitored. If the crown is cracked through, spalling at the edges, or sunk below the brick line, sealing alone cannot restore slope. Our camera inspection shows you the crown condition from above, and Norm Bledsoe will tell you if the crown can wait or if you are risking a full chimney rebuild by delaying.
Chimney Repair Companies
Chimney Repair Companies in Downers Grove fall into two categories: cleaning services that repair opportunistically, and dedicated repair specialists who stock professional materials and diagnose with cameras. We also provide chimney repair in Bolingbrook for homeowners outside our immediate area. Summit Peak Chimney Sweep is the latter. The difference shows up in the details: we arrive with DuraFlex liner components, HeatShield resurfacing material, and Copperfield caps on the truck, not a hardware store patch kit. We have repaired chimneys in Downers Grove that other companies had swept for years without noticing a cracked flue tile, because a sweep never starts with a camera inspection.
What to Ask Before Hiring
Ask whether the company performs video inspections before recommending liner work, and whether they stock the material they install or order it after you sign. Ask who actually does the repair: an employee or a subcontractor. A company that cannot answer these questions directly is a cleaning service wearing a repair hat.
Why Materials Decide Outcomes
A chimney repair is only as good as the component at the failure point. Industry-grade materials from brands like DuraFlex and Copperfield are built to survive decades of flue gas and Illinois weather. Our relationship with these manufacturers means we can also stand behind the work with their warranty support, something you will not get from a no-name cap from a wholesaler.
Chimney Masonry Repair
Chimney Masonry Repair addresses the brick, mortar, and stone structure of the chimney itself, and in Downers Grove it ranges from $85 per square foot for tuckpointing to $2,500 – $6,000 for partial rebuilds depending on access and material matching. When mortar joints recede, water enters, freezes, and pushes bricks apart; the process compounds until the stack begins to lean. Summit Peak Chimney Sweep treats masonry repair as a structural job, not a cosmetic one, and we match mortar color and brick texture so the repair does not look like a scar across your chimney.
Spalling Is a Structural Red Flag
Flaking brick faces, called spalling, means water has saturated the brick and the freeze-thaw cycle is popping the surface off. Once spalling starts, the brick loses compressive strength and the chimney can become unsafe. We assess whether the brick can be salvaged or whether a section rebuild is the only honest answer.
Tuckpointing Buyers Should Understand
Grinding out old mortar and repointing the joints stops the water entry point, but only if the full joint is removed to depth. A shallow cosmetic repoint fails in a season. We grind to the proper depth and use a mortar mix matched to the original’s hardness, because mortar that is harder than the brick will crack the brick itself.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Water in the firebox after rain. This usually points to a failed crown, flashing, or cap, and every storm lets more water into the masonry. Left alone through one Illinois winter, it becomes a brick-spalling problem that triples the repair cost.
- A strong campfire smell when the fireplace is cold. This indicates creosote buildup or a drafting problem that pushes flue gases back into the living space. It can also signal a liner crack, and you should not burn again until it is inspected.
- Crumbling mortar on the ground or roof. If you find sand-like debris near the chimney base, mortar joints are failing and the chimney is losing structural integrity. The degradation accelerates once water gets behind the joints.
- White staining on the brick exterior. Efflorescence is salt being carried out of the brick by moving water. It tells you water is inside the masonry, and the source is almost always a crown, flashing, or cap failure that can still be fixed affordably.
- Smoke entering the room on windy days. This points to a liner that is too large for the appliance, a blocked flue, or a masonry chimney that has no liner at all. Each has a different fix, and the only way to know which one is a camera inspection.
Our Process, Step by Step
- 1
Camera Inspection. We run a video camera up the full flue and record everything: liner condition, mortar joints, cap fit, and crown surface. You see the footage and the diagnosis at the same time, so the recommendation is based on evidence, not our word.
- 2
Written Recommendation. Norm Bledsoe explains what the camera showed, what is urgent, what can wait, and what the honest cost range is. We do not start work until you have signed off on the exact scope and know the materials we will use.
- 3
Material Preparation. If a reline or cap replacement is needed, we pull the correct DuraFlex, Copperfield, or HeatShield materials for your specific flue size and configuration. No ordering after the fact, no substituting whatever is on the shelf.
- 4
Repair and Installation. Work is completed in one visit whenever possible, using the techniques and materials described in your estimate. We protect the roof, clean the work area, and leave the chimney safe to operate.
- 5
Photo Report and Follow-Up. You receive before-and-after photos of the repair. We note what to watch for in the next season and whether a follow-up sweep in the spring or fall makes sense for your burn rate.
How Much Does Chimney Repair Cost in Downers Grove?
A typical chimney repair in Downers Grove runs between $220 for a basic chimney cap installation and $5,500 for a full stainless liner replacement. Most common jobs fall in the middle: flashing repair at $450 – $950, crown repair at $550 – $1,200, and masonry tuckpointing around $85 per square foot. The biggest cost factor is liner access; older Downers Grove homes with interior chimneys and offset flues are more labor-intensive than a straight exterior chase. We also handle chimney repair in Romeoville for homes with similar vintage construction. The second factor is condition at the time of diagnosis, because a small flashing leak caught early never becomes a crown rebuild, and a crown rebuild caught early never becomes a full masonry replacement.
The best protection against overpaying is an estimate backed by video evidence. Companies that quote liner work without showing you a camera image of the cracked tile are selling on fear. We also recommend asking for a line-item quote, not a single number, so you can see what you are paying for materials versus labor. Every Summit Peak Chimney Sweep estimate is free, and it includes the camera inspection, so you know exactly what the repair is and why it costs what it does before you spend a dollar.
Our Service Area Near Downers Grove
Summit Peak Chimney Sweep serves Downers Grove and the surrounding communities, including Westmont, Willowbrook, Burr Ridge, Hinsdale, Clarendon Hills, and Warrenville. If you are unsure whether we cover your street, call (855) 382-3714 and ask. We would rather tell you over the phone than have you wonder. If you are researching chimney repair in Downers Grove specifically, you are already in our core service area, and we can usually schedule your inspection within the week.
Serving Downers Grove, IL — Our Local Coverage Area
We’re based in the Downers Grove area and know this community well. We also offer chimney repair – Woodridge and surrounding towns. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Chimney Repair in Downers Grove
Chimney repair is the diagnosis and correction of damage or deterioration in the flue liner, cap, crown, flashing, or masonry structure of a chimney. A sweep cleans the system, but a repair restores its structural and safety function. Summit Peak Chimney Sweep performs both, which means we spot repair issues during routine cleanings and fix them before they worsen.
Most single-component repairs, like a cap replacement or flashing repair, take two to four hours on site. A full liner installation or partial masonry rebuild may take one to two days depending on access and roof pitch. We give you a clear timeline in the estimate so you can plan around the work.
Most chimney repairs in Downers Grove range from $220 for a cap installation to $5,500 for a full stainless liner replacement. Crown repairs fall between $550 and $1,200, and flashing repair runs $450 to $950. The only way to get an exact price is a camera inspection, which we include free with every estimate. Call (855) 382-3714 to schedule.
Yes, we work with all three brands regularly and stock their components in our service vehicles. If you have an existing system from any of these manufacturers, we can inspect, repair, or replace components using the correct OEM materials rather than adapting a generic part. That keeps manufacturer warranties intact and ensures the repair matches the original system.
We prioritize active leaks and structural problems that are worsening with every rain or freeze cycle. If your chimney is actively leaking or you suspect a liner breach, call (855) 382-3714 and tell us what you are seeing. We will advise you over the phone whether the chimney is safe to use until we can arrive.
Yes. Workmanship is backed by our satisfaction guarantee, and the materials we install carry manufacturer warranties from brands like DuraFlex, HeatShield, and Copperfield. We explain both warranties in writing before any work begins, and we do not rely on fine print to limit what we promise.
Clear the area around the fireplace so we can access it with the camera, and move any furniture that blocks a direct path to the hearth. If roof access is needed, make sure gates are unlocked and let us know if you have a roof material that requires special caution. We handle all protection of the interior floor and roofing surfaces.
Schedule Your Chimney Repair Service in Downers Grove Today
When you call Summit Peak Chimney Sweep, you get a camera-first diagnosis, a written estimate, and an honest answer about what can wait and what cannot. Norm Bledsoe and our team treat your chimney like the safety system it is, not a quick job to clear. Call (855) 382-3714 today to schedule your free repair estimate in Downers Grove, or learn more about our home services and annual maintenance plans.
Written by Norm Bledsoe, Owner at Summit Peak Chimney Sweep, serving Downers Grove and the surrounding communities.