The Problem With Your Roof Is Rarely Where You Think It Is
Water stains on your ceiling in Winnetka almost never appear directly below where the problem started. Water travels along rafters and decking before it drops, which means the visible damage inside your home can be several feet from the actual entry point on the roof. Flashing failure around a chimney, a cracked vent boot, a missing drip edge along a valley; each of these reads as a leak on the inside, and each requires a different fix. Roof repair in Winnetka IL that starts with the stain instead of the source will need to be done again.
Cittrix begins every repair with a full roof system assessment, not a targeted look at the obvious damage. We check every penetration point, every flashing transition, every area of the roof where two surfaces meet, because those are where Winnetka homes fail. When we find the source, we repair it properly with materials that hold through freeze-thaw cycling and lake weather, then back the work with our written guarantee.
Our Repair Roadmap
Transparent Milestones, Zero Surprises, Watertight Results.
Drone & Thermal Leak Audit
Same-day drones and infrared cameras trace every wet inch without disturbing a single shingle.
Fixed-Price Video Proposal
Within 48 hours you receive a narrated video that locks line-item costs and compares three system options, valid for 30 days.
Code-Matched Parts Staging
Shingles, flashing, or membrane sourced to color and spec, pre-staged for a zero-delay installation.
Targeted Repair Execution
Certified techs strip damage, rebuild deck as needed, lay new underlayment, and reinstall to factory spec.
Dual QA - Photo & Thermal
Drone photos plus handheld FLIR confirm the area is bone dry before magnets sweep nails from the lawn.
Digital Warranty Handoff
Lifetime workmanship docs, moisture map, and photos upload to your portal and transfer if you sell.
What Makes Highland Park Roofs Fail Faster
This Climate Works Against Your Roof Year-Round
Winnetka’s concentration of pre-war homes means roof repair here routinely involves failing copper chimney flashings, deteriorating step flashing along dormers, and vent boots installed decades ago that were never updated when shingles were replaced.
Those penetration points are the source of most leaks in this housing stock, and they require replacement, not caulk. Add lake-effect freeze-thaw stress that cycles through those same failure points all winter and you have a market where incomplete repairs do not survive a single season.
- Flashing Failure on Older Homes
Chimney and wall flashing on pre-war Winnetka homes is the single most common source of persistent roof leaks, and it is routinely patched with sealant instead of properly replaced. A repair that does not address the flashing system completely will leak again within one to two winters. - Cedar Shake Repair Complexity
Winnetka has a significant concentration of cedar shake roofs, and repairing shake requires matching both the material grade and the exposure pattern of the existing installation. A contractor unfamiliar with shake will leave visual inconsistencies and create moisture pathways at every mismatched seam. - Ice Dam Entry Points
Lake Michigan’s thermal influence drives aggressive freeze-thaw cycling that makes ice dam formation a recurring problem on Winnetka’s older steep-pitch roofs. The water entry these dams cause typically appears near exterior walls, and repairing only the surface shingles without addressing the underlayment and heat loss beneath will produce the same result the following winter.
The Cittrix Difference
-
Fast, Convenient Estimates
Call or submit a form and we’ll schedule a free inspection of your roof for the same or next business day. There’s no need for you to disrupt your busy schedule - you don’t even have to be at home.
Instead of sending a confusing estimate or sitting in your living room for hours with a high-pressure sales pitch, we’ll send you a clear video explanation of what’s going on with your roof and our recommendations that you can watch on your own time.
-
Quick Turnaround and Guaranteed Timelines
Roof installation is scheduled and completed within ten days of approval—no delays, no surprises, just reliable scheduling you can count on.
-
Flexible Financing Options
We offer simple, clear-cut payment options, including 0% financing with zero money down, making it easy to get the high-quality roof your family needs.
-
Trusted Team of Professionals
We’re proud to work closely with leading manufacturers, ensuring every roof we install is the highest quality. Our crews are experienced, respectful, and held to the highest standards in the industry—because your home deserves the best.
- Malarkey Emerald Premium Certified Contractor
- Proud Member of the Roofing and Solar Reform Alliance
- A+ rating with the Better Business Bureau
- HAAG Certified Roof Inspector
- 5-Star Google Rating
- 5-Star Thumbtack Professional
-
Lifetime Roof Warranties
We stand behind our work with robust warranties that cover labor and materials, offering long-term protection and peace of mind.
-
Speedy Cleanup and Safety Precautions
Our teams take extra care to minimize disruption and keep your family and pets safe during every step of the process.
-
Locally Owned, Family-Run Business
Based in Buffalo Grove, Illinois, and serving neighbors throughout Lake County and the Chicago suburbs, we’re proud to serve our local community with integrity, hustle, transparency, and heart.
We’ll do everything in our power to ensure you’re informed and confident through every step of the process and will always make recommendations based on what’s best for you. We’re humbled by the positive feedback we’ve received from thousands of happy customers and look forward to serving you and your family.
Trusted By Over 10,000+ Satisfied Customers
Roof Types & Materials We Repair
Every Repair Qualifies for Our Lifetime Labor Guarantee.
-
Architectural Asphalt Shingles
Common Issues:
Wind-torn tabs, nail pops, ridge vent leaksCittrix Fixes:
Replace damaged rows, reset nails, seal ridge with new cap and ice-barrier tape -
Designer / Impact-Rated Shingles
Common Issues:
Hail bruises, broken laminations, faded pigmentCittrix Fixes:
Swap cracked shingles one-for-one, colour-blend across slopes, reseal adhesive strips -
Cedar Shakes & Shingles
Common Issues:
Split, cupped, or moss-laden shakesCittrix Fixes:
Remove failed pieces, install stainless fasteners, apply wood-preserve treatment -
EPDM / TPO Flat Membranes
Common Issues:
Open seams, punctures, clogged drainsCittrix Fixes:
Heat-weld patches, re-roll seams, rebuild drains, add reinforced walk-pad paths -
Standing-Seam Metal
Common Issues:
Loose fasteners, missing sealant, panel oil-canningCittrix Fixes:
Replace gaskets, torque clips, inject butyl at penetrations, install snow-guard rows -
Low-Slope Tie-Ins & Crickets
Common Issues:
Ponding behind chimneys, pipe-boot splitsCittrix Fixes:
Frame tapered ISO cricket, flash in single-ply saddle, install double-seal boots
Flashing Failure Is Behind Most Roof Leaks in Winnetka IL
Flashing failures account for the large majority of persistent roof leaks on Winnetka’s older homes, and the repair that most homeowners receive is a bead of roofing caulk over the gap, which lasts one season at most before freeze-thaw cycling breaks it open again. A legitimate flashing repair means removing the compromised metal, inspecting the underlying structure for water damage, and installing new step flashing or counter-flashing integrated correctly with the surrounding shingles. Anything short of that is not a repair, it is a temporary seal on a problem that is actively getting worse underneath.
- Chimney flashing on pre-war Winnetka homes is the most common single point of roof failure. Crumbling mortar, corroded step flashing, and dried-out counter-flashing all allow water to travel directly into the structure below.
- Dormer flashing at roof-to-wall transitions is the second most common failure point on Winnetka’s older homes with complex geometry. Step flashing that has lifted, corroded, or was never properly integrated with the siding is a persistent leak source that caulk cannot permanently fix.
- Skylight flashing on older installations frequently lacks the modern integrated curb and flange systems that prevent leak-back. Resealing the exterior without addressing the flashing system underneath is a seasonal solution, not a repair.
- Valley flashing where two roof planes meet channels the highest volume of water on the entire roof. A valley that has shifted, corroded, or was under-lapped at installation becomes a leak source that worsens with every heavy rain and every freeze cycle.
Request More Information
